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Scorpa · Two-stroke single, premix, chain drive

SC 250

Library entry covers 2017-2024

47 factory 52 guideline

Published source

Scorpa Owner's Manual Trial 125-250-300 SC-R Racing 2025, Maintenance schedule pp.67-68 (English section)

Factory owner's handbook. Covers Scorpa 2025 trial owner's manual covering the 125, 250 and 300 two-strokes (SC-R Racing); hours-based. Earlier model years are not confirmed to use the same chart..

99 items for a 2018 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: Electronic (CDI / transistor / ECU)
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, hydraulic
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

2018 Scorpa SC 250

On the road: every 200 km

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 500 km

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 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 1,000 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,600 km or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 3,000 km or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 5,000 km or 12 months

11 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean fuel tap filter / sediment bowl

Fuel and air

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 5,000 km 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 6,500 km or 12 months

1 item

Inspect, clean and gap spark plugs

Engine

Guideline

Every 9,500 km 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 16,000 km or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 19,500 km 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 24,000 km 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 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 29,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 32,000 km 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 40,000 km or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 48,500 km or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 20 h

38 items

Check headlight adjustments

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.
Check slack in suspension rods

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check that nuts and bolts are tight

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check that the rims are not bent

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check that wires are not damaged or bent

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the coolant level

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the flap valve

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.
Check the idle speed

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the interference filter

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.
Check the play of the accelerator grip

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the spark plug

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.
Inspect all tubes and the dust cover for possible cracks or leak-tight defects

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Clean the air filter and the air filter housing

Fuel and air

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the clutch

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the clutch fluid level

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Replace gearbox oil

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the chain tension

Final drive

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the final drive, the chain, the sprocket, the pinion, and the chain guide

Final drive

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check slack in steering column

Front end

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use.
Conduct fork maintenance

Front end

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use.
Check possible slack in swingarm bearings

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check shock absorber attachments

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check that the shock absorber is leak tight

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.
Check the frame

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the swingarm

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check condition and leak-tightness of brake lines

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check front brake discs

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check front brake pads

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check rear brake pads

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the brake fluid level

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the free clearance of the front brake pedal (printed wording; the front brake is lever-operated)

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the free clearance of the rear brake pedal

Brakes

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check possible wheel hub slack

Wheels and tires

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check spoke tension

Wheels and tires

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check tire condition

Wheels and tires

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check tire pressure

Wheels and tires

Factory

Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check wheel hubs

Wheels and tires

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.
Check the condition of the throttle cable

Controls and cables

Factory

Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

Every 60 h

1 item

Replace clutch spring

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.67): marked every 60 hours of use.

Every 100 h

1 item

Replace the muffler steel wool

Engine

Factory

Factory: Maintenance schedule (English section, p.67): marked every 100 hours of use.

Every 120 h

1 item

Engine maintenance: replace the rod, the needle basket, the crank pin basket and the piston; check the cylinder; check the gearbox and shifting mechanism; replace all engine bearings

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.68): marked every 120 hours of use; every 40 hours competition use.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

5 items

Lubricate suspension rod bearings

Engine

Factory

Factory: Maintenance schedule (English section, p.68): marked every year.
Replace clutch fluid

Primary and gearbox

Factory

Factory: Maintenance schedule (English section, p.68): marked every year; every 4 years.
Lubricate steering column bearings

Front end

Factory

Factory: Maintenance schedule (English section, p.68): marked every year.
Lubricate swingarm bearings

Rear suspension and frame

Factory

Factory: Maintenance schedule (English section, p.68): marked every year.
Replace brake fluid

Brakes

Factory

Factory: Maintenance schedule (English section, p.68): marked every year; every 4 years.

Every 2 years

5 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Replace hydraulic clutch fluid

Primary and gearbox

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

4 items

Replace coolant

Engine

Factory

Factory: Maintenance schedule (English section, p.68): marked every 4 years.
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

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.