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Yamaha · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

TW 125

Library entry covers 2000-2004

33 factory 28 guideline

Published source

Yamaha TW125 2004 Owner's Manual 5RS-28199-E2 (UK, English), periodic maintenance and lubrication chart pp.6-2 to 6-4, NOTEs pp.6-2 and 6-4

Factory owner's handbook. Covers TW125 (5RS); 2004 UK owner's manual 5RS-28199-E2, English. Chart columns 1/6/12/18/24 x1000 km plus annual check (km only, no mile figures printed); from 30000 km repeat the intervals starting from 6000 km; annual checks every year except if a kilometer-based maintenance is performed instead. Air cooled, carbureted, chain final drive, front disc and rear drum brakes.

Open the source

61 items for a 2003 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: Four-stroke
Engine lubrication: Wet sump (oil in crankcase)
Oil filtration: Replaceable cartridge or spin-on filter
Valve gear: Overhead cam, screw/locknut adjusters
Ignition: Electronic (CDI / transistor / ECU)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Fuel injection
Cooling: Air / oil cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine 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: Drum (or band / belt rim)
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2003 Yamaha TW 125

On the road: every 300 km

1 item

Check engine oil level

Pre-ride / on the road

Guideline

Each fuel stop on old machines. Dry sump: check the tank hot, engine idling or just stopped, per your manual.

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 1,000 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 500 km

1 item

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

Final drive

Factory

Manual: Drive chain (check chain slack, make sure the rear wheel is properly aligned, clean and lubricate). Factory: Every 500 km and after washing the motorcycle or riding in the rain, printed as text; not a dealer item (p.6-3)

Every 5,000 km or 12 months

4 items

Inspect chain and sprockets for wear (measure stretch)

Final drive

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
Check spoke tension and wheel true

Wheels and tires

Guideline

Every 6,000 km or 12 months

13 items

Change engine oil

Engine

Factory

Manual: Engine oil (change, check oil level and vehicle for oil leakage). Factory: Marked every column incl. 1000 km initial (1/6/12/18/24 x1000 km); annual check; not a dealer item (p.6-3)
Chassis fasteners (make sure all nuts, bolts and screws are properly tightened)

Engine

Factory

Factory: Marked 6000-24000 km; annual check; dealer item (p.6-3)
Lights, signals and switches (check operation, adjust headlight beam)

Engine

Factory

Factory: Every column incl. 1000 km initial; annual check; dealer item (p.6-4)
Carburetor (check starter (choke) operation, adjust engine idling speed)

Fuel and air

Factory

Factory: Every column incl. 1000 km initial; annual check; dealer item (p.6-3)
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip housing and cable (check operation and free play, adjust throttle cable free play if necessary, lubricate throttle grip housing and cable). Factory: Marked 6000-24000 km; not at initial; annual check; dealer item (p.6-4)
Replace fuel lines

Fuel and air

Factory

Manual: Fuel line (check fuel hoses for cracks or damage). Factory: Marked 6000-24000 km; not at 1000 km initial; annual check; dealer item (p.6-2)
Grease and check center / side stand and springs

Rear suspension and frame

Factory

Manual: Sidestand (check operation, lubricate). Factory: Marked 6000-24000 km; annual check; not a dealer item (p.6-3)
Sidestand switch (check operation)

Rear suspension and frame

Factory

Factory: Every column incl. 1000 km initial; annual check; dealer item (p.6-3)
Adjust rear drum brake and rod / cable linkage

Brakes

Factory

Manual: Rear brake (check operation and adjust brake pedal free play; replace brake shoes whenever worn to the limit). Factory: Drum rear brake. Check marked every column incl. 1000 km initial; annual check; shoes replaced whenever worn to the limit; dealer item (p.6-2)
Check brake pads and discs

Brakes

Factory

Manual: Front brake (check operation, fluid level and vehicle for fluid leakage; replace brake pads whenever worn to the limit). Factory: Hydraulic disc. Check marked every column incl. 1000 km initial; annual check; pads replaced whenever worn to the limit; dealer item (p.6-2)
Front and rear brake switches (check operation)

Brakes

Factory

Factory: Every column incl. 1000 km initial; annual check; dealer item (p.6-4)
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires (check tread depth and for damage, replace if necessary, check and correct air pressure). Factory: Marked 6000-24000 km; annual check; dealer item (p.6-3)
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: Moving parts and cables (lubricate). Factory: Marked 6000-24000 km; annual check; not a dealer item (p.6-4)

Every 6,000 km

9 items

Check and adjust valve clearances

Engine

Factory

Manual: Valves (check valve clearance, adjust). Factory: Marked 6000-24000 km; not at 1000 km initial; no annual check; dealer item (p.6-2)
Rear suspension relay arm and connecting arm pivoting points (check operation)

Ignition and electrics

Factory

Factory: Marked 6000-24000 km; no annual check; dealer item (p.6-3)
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Factory

Manual: Clutch (check operation, adjust). Factory: Every column incl. 1000 km initial; no annual check; not a dealer item (p.6-2)
Check steering head bearing adjustment

Front end

Factory

Manual: Steering bearings (check bearing play and steering for roughness). Factory: Marked every column incl. 1000 km initial through 24000 km; no annual check; dealer item (p.6-3)
Front fork (check operation and for oil leakage)

Front end

Factory

Factory: Marked 6000-24000 km; no annual check; no fork oil change interval printed; dealer item (p.6-3)
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Shock absorber assembly (check operation and shock absorber for oil leakage). Factory: Marked 6000-24000 km; no annual check; dealer item (p.6-3)
Swingarm (check operation and for excessive play)

Rear suspension and frame

Factory

Factory: Marked 6000-24000 km; no annual check; dealer item (p.6-3)
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel bearings (check bearing for looseness or damage). Factory: Marked 6000-24000 km; no annual check; dealer item (p.6-3)
Wheels (check runout, spoke tightness and for damage; tighten spokes if necessary)

Wheels and tires

Factory

Factory: Marked 6000-24000 km; no annual check; dealer item (p.6-2)

Every 6,500 km or 12 months

1 item

Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 9,500 km or 12 months

3 items

Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check swingarm bushes for play

Rear suspension and frame

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

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

Every 12,000 km

6 items

Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug (check condition, clean and regap). Factory: Marked at 6000 and 18000 km; no annual check; not a dealer item (p.6-2)
Replace oil filter

Engine

Factory

Manual: Engine oil filter element (clean). Factory: Clean (not replace) as printed; marked at 1000 km initial, 12000 and 24000 km; no annual check; not a dealer item (p.6-3)
Replace spark plugs

Engine

Factory

Manual: Spark plug (replace). Factory: Marked at 12000 and 24000 km; no annual check; not a dealer item (p.6-2)
Clean / inspect air filter

Fuel and air

Factory

Manual: Air filter element (clean). Factory: Clean marked at 6000 and 18000 km; no annual check; not a dealer item. NOTE: more frequent service in unusually wet or dusty areas (p.6-2, 6-4)
Replace air filter element

Fuel and air

Factory

Manual: Air filter element (replace). Factory: Replace marked at 12000 and 24000 km; no annual check; not a dealer item (p.6-2)
Clean and grease rear suspension linkage

Rear suspension and frame

Factory

Manual: Rear suspension relay arm and connecting arm pivoting points (lubricate with lithium-soap-based grease). Factory: Marked at 12000 and 24000 km; no annual check; dealer item (p.6-3)

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 19,500 km or 2 years

1 item

Synchronize throttle bodies

Fuel and air

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 24,000 km

3 items

Repack / replace steering head bearings

Front end

Factory

Manual: Steering bearings (lubricate with lithium-soap-based grease). Factory: Every 24000 km, printed as text; dealer item (p.6-3)
Grease swingarm pivot

Rear suspension and frame

Factory

Manual: Swingarm (lubricate with lithium-soap-based grease). Factory: Every 24000 km, printed as text; dealer item (p.6-3)
Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 29,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 32,000 km or 4 years

1 item

Repack / replace wheel bearings

Wheels and tires

Guideline

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

Every 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

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 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

3 items

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

Factory

Manual: Brake fluid (change). Factory: From the hydraulic brake service NOTE (p.6-4): every two years replace the internal components of the brake master cylinder and caliper and change the brake fluid; regularly check and correct fluid level; not a chart row

Every 4 years

2 items

Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake hose (replace). Factory: Every 4 years, printed as text; check for cracks or damage marked 6000-24000 km and annually; dealer item. NOTE repeats: replace every four years and if cracked or damaged (p.6-2, 6-4)
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.