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Sherco · Two-stroke single, premix, chain drive

SE 300

Library entry covers 2010-2025

43 factory 58 guideline

Published source

Sherco 2023 Owner's Manual 250-300 SE Racing / Factory, maintenance schedule (official PDF pp.143-145)

Factory source. Covers Sherco Owner's Manual 250-300 SE Racing / SE Factory, 2023 edition (file OWNER_MANUAL_250-300_SE-2023); other years not compared.

101 items for a 2017 model, grouped by interval the way a factory chart is laid out.

How this bike is built (what the schedule is based on)

Engine cycle: Two-stroke
Engine lubrication: Two-stroke premix (oil in fuel)
Oil filtration: None (no filter)
Valve gear: None (two-stroke porting)
Ignition: Magneto (incl. magdyno, flywheel magneto)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Single carburetor
Cooling: Liquid cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Separate gearbox oil
Clutch control: Hand lever, cable
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2017 Sherco SE 300

On the road: every 150 mi

1 item

Check two-stroke oil tank / carry premix oil

Pre-ride / on the road

Guideline

Running a two-stroke out of oil seizes it. Injection bikes: check the tank. Premix: carry oil and a measure.

On the road: every 300 mi

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 500 mi

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 600 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,000 mi or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 2,000 mi or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 3,000 mi or 12 months

13 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean fuel tap filter / sediment bowl

Fuel and air

Guideline
Check / set ignition timing

Ignition and electrics

Guideline
Clean and gap contact breaker points, oil cam felt

Ignition and electrics

Guideline
Clean drive chain thoroughly (remove and soak, re-lube)

Final drive

Guideline

Non O-ring chains on old machines: remove, clean, soak in hot chain grease or lube, refit with the master link clip closed end leading.
Inspect chain and sprockets for wear (measure stretch)

Final drive

Guideline
Check steering head bearing adjustment

Front end

Guideline
Inspect fork seals, stanchions and fork boots

Front end

Guideline
Check footrests, pegs, rear brake and gear lever pivots

Rear suspension and frame

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check brake pads and discs

Brakes

Guideline
Check spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 3,000 mi or 2 years

1 item

Decarbonize exhaust ports, pipes and baffles

Engine

Guideline

Two-strokes coke up the exhaust port and muffler baffles; power falls off gradually.

Every 4,000 mi or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 6,000 mi or 12 months

8 items

Inspect coolant hoses and clamps

Engine

Guideline
Clean / inspect air filter

Fuel and air

Guideline

Mesh or oiled foam: clean and re-oil. Paper: blow out or replace. Some very early machines have no filter at all.
Clean carburetor float bowl(s), check float level and jets

Fuel and air

Guideline

Ethanol fuel varnishes old carbs quickly in storage.
Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check swingarm bushes for play

Rear suspension and frame

Guideline
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Lubricate control cables and lever pivots

Controls and cables

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

A dry speedo cable whips the needle and eventually kills the instrument.

Every 6,000 mi or 2 years

2 items

Lubricate and check automatic advance unit

Ignition and electrics

Guideline
Magneto: clean slip ring and pickup brush, check HT lead

Ignition and electrics

Guideline

Every 10,000 mi or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 12,000 mi or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 12,000 mi or 3 years

1 item

Replace points and condenser

Ignition and electrics

Guideline

Every 15,000 mi or 3 years

1 item

Change fork oil

Front end

Guideline

Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.

Every 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 18,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 20,000 mi or 4 years

2 items

Repack / replace steering head bearings

Front end

Guideline

Many old machines use loose balls in cups and cones. Taper roller conversions are common.
Repack / replace wheel bearings

Wheels and tires

Guideline

Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 25,000 mi or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 25,000 mi or 10 years

1 item

Magneto overhaul / re-magnetize, replace capacitor

Ignition and electrics

Guideline

Weak spark when hot is the classic symptom. Old capacitors fail with age, not miles.

Every 30,000 mi or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 20 h or 12 months

1 item

Muffler fiberglass packing (replace)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year; workshop table: recreational every 20 hours, competition every 10 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 20 h

23 items

Bolts and screws (check general tightness)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Cooling system for leaks (check)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Electrical wiring condition and routing (check)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Exhaust sealing and mounting (check)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Exhaust valves and booster system (check)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): every 20 hours (workshop: recreational at 20 hours, competition at 10 hours). Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Air filter and housing (clean)

Fuel and air

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Carburetor (clean and empty float chamber)

Fuel and air

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Clutch master cylinder fluid level (check)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Gearbox oil (change)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Chain (lubricate)

Final drive

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Chain, sprockets, guides and chain tension (check)

Final drive

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Fork and shock for leaks and function (check)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Fork dust covers (clean)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Fork legs (purge air)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Steering head bearings (check and adjust)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Brake fluid level, pad thickness and brake discs (check)

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Brake system fasteners and discs (check tightness)

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Foot brake pedal and hand brake lever (check)

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Rims and spoke tension (check)

Wheels and tires

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Tire condition and pressure (check)

Wheels and tires

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Wheel bearing clearance (check)

Wheels and tires

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Cables: condition, flexibility and routing (check, adjust, lubricate)

Controls and cables

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Electrical components: lights, signals, control unit (check function)

Controls and cables

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours, then every 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 40 h

1 item

Clutch disc wear and clutch spring length (check; workshop)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 40 hours, competition at 20 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 50 h

1 item

Spark plug (replace)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 50 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 80 h

8 items

Connecting rod (replace; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Crankshaft bearings, countershaft balancer and its bearings (replace; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Crankshaft end run-out and connecting rod condition (check; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Cylinder and piston wear (check; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Piston (replace; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Reed valve petals (check; workshop)

Engine

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Clutch nut and clutch housing (check not loose; workshop)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Gearbox components for wear (check; workshop)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): recreational use at 80 hours, competition at 40 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

6 items

Electrical contacts and switches (treat with aerosol protector; dealer)

Ignition and electrics

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Clutch hydraulic fluid (replace; dealer)

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Fork (service; dealer)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Steering head bearings and seals (clean and grease; dealer)

Front end

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Shock (service; dealer)

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Brake fluid (replace; dealer)

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): at least once a year. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Every 2 years

4 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

3 items

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Inspect brake hoses; replace old rubber

Brakes

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

2 items

Replace inner tubes and rim tape with tires

Wheels and tires

Guideline
Replace tires on age (regardless of tread)

Wheels and tires

Guideline

No interval set

3 items

Rider tasks after each use: lubricate throttle cable, purge fork air, clean fork seals, clean and lubricate chain, clean air filter, anti-corrosion spray

Final drive

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after each use. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Brake lines condition and sealing (check)

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): after 5 hours. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.
Rider checks before each use: engine oil level, brake fluid, brake pads, lights, horn, tires, coolant, fuel lines, controls, brakes

Brakes

Factory

Factory: Maintenance schedule (English section, PDF pp.143-145): before each use. Columns as printed: after 5 hours, every 20 hours; annual items at least once a year; workshop items for recreational use at 20, 40 and 80 hours (competition use at 10, 20, 40 and 80 hours). In competition, perform the 20-hour schedule after each race, not exceeding it by more than 2 hours. Check screw tightness after the first ride.

Guideline lines: Intervals here are general guidelines for the machine's era and layout, compiled for this app. They are not factory manual figures. Check your workshop manual, and edit any interval in the bike's Schedule tab.