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TRS · Two-stroke single, premix, chain drive

One

Library entry covers 2017-2025

102 factory 50 guideline

Published source

TRS One 250 2016 User Manual, Maintenance operations pp.30-31

Factory owner's handbook. Covers TRS One 250 (2016) user manual.

152 items for a 2024 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, cable
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2024 TRS One

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

10 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 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 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 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 30,000 mi or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 2 h

1 item

Transmission oil (check)

Primary and gearbox

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 2 hours

Every 10 h

3 items

Spark plug (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 10 hours
Carburetor jet (clean)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: every 10 hours
Transmission oil (replace)

Primary and gearbox

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 10 hours

Every 15 h

1 item

Spark plug (clean)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: every 15 hours

Every 20 h

1 item

Front and rear wheels (check)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 20 hours

Every 30 h

3 items

Rear sprocket (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 30 hours
Reed valve box (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 30 hours
Spark plug (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: every 30 hours

Every 60 h

4 items

Cylinder head and cylinder (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 60 hours
Piston and rings (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: every 60 hours
Spark plug (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 60 hours
Front fork suspension oil (replace)

Front end

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 60 hours

Every 100 h

1 item

Muffler exhaust packing fiberglass (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 100 hours

Every 500 h

1 item

Exhaust (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 500 hours

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

4 items

Coolant (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: annually
Cylinder head and cylinder (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: annually
Piston and rings (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: annually
Rear shock absorber (check)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: annually

Every 2 years

6 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
Rear shock absorber (replace)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 2 years
Brake hoses (replace)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: every 2 years
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

1 item

Replace tires on age (regardless of tread)

Wheels and tires

Guideline

No interval set

81 items

Chassis (clean)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Chassis (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Chassis protective adhesive elements (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Coolant (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Engine bearings (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Exhaust seal (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Front suspension (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Front suspension (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
General lubrication (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
General lubrication (clean)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
General lubrication (lubricate)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Nuts, bolts and other fasteners (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Nuts, bolts and other fasteners (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Petrol tube (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Petrol tube (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Petrol tube (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Piston bearing (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Radiator tube and joints (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Radiator tube and joints (check)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Radiator tube and joints (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Rear sprocket (adjust)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: first 5 hours
Rear sprocket (lubricate)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Rear sprocket (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Reed valve box (clean)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Reed valve box (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Starter pedal and gear change pedal (lubricate)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Starter pedal and gear change pedal (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Sump protector (replace)

Engine

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Air filter (check)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Air filter (clean)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Air filter (lubricate)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Air filter (replace)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Carburetor (adjust)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Carburetor (clean)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Carburetor (replace)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Carburetor jet (adjust)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Carburetor jet (replace)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Fuel system (check)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Fuel system (replace)

Fuel and air

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Clutch (replace)

Primary and gearbox

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Clutch plates (replace)

Primary and gearbox

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Chain guide slipper (replace)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Transmission chain (adjust)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Transmission chain (check)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Transmission chain (clean)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Transmission chain (lubricate)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Transmission chain (replace)

Final drive

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Steering bearing (replace)

Front end

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Steering play (adjust)

Front end

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Steering play (check)

Front end

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Swinging arm and connecting rods (check)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Swinging arm and connecting rods (clean)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Swinging arm and connecting rods (lubricate)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Swinging arm and connecting rods (replace)

Rear suspension and frame

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Brake adjustment (adjust)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Brake adjustment (check)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Brake discs (adjust)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: first 5 hours
Brake discs (check)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Brake discs (clean)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: each two uses
Brake discs (replace)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Brake fluid level (adjust)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Brake hoses (adjust)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Brake hoses (lubricate)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Brake master cylinder piston and dust cover (replace)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Brake piston and dust cover (replace)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: in the event of a fall
Brakes (adjust)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Brakes (check)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Brakes (replace)

Brakes

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Front and rear wheels (clean)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Front and rear wheels (replace)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Tires (check)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Tires (clean)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: after every use
Tires (replace)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Wheel bearing (replace)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged
Wheel-muffler clearance (check)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Wheel-muffler clearance (replace)

Wheels and tires

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if there are any fall
Throttle cable and twist grip (adjust)

Controls and cables

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Adjust: whenever necessary
Throttle cable and twist grip (check)

Controls and cables

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Check: after every use
Throttle cable and twist grip (clean)

Controls and cables

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Clean: whenever necessary
Throttle cable and twist grip (lubricate)

Controls and cables

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Lubricate: after each wash
Throttle cable and twist grip (replace)

Controls and cables

Factory

Factory: Maintenance operations table (hours of use), columns Check, Adjust, Replace, Clean, Lubricate. Replace: if damaged

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.