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Yamaha · Modern air-cooled single (2000-)

C3 (49 cc)

Library entry covers 2007-2013

32 factory 33 guideline

Published source

Yamaha XF50 C3 2010 Owner's Manual 3B3-F8199-14 (US, English), periodic maintenance charts pp.6-2 to 6-6

Factory owner's handbook. Covers XF50 C3; 2010 US owner's manual 3B3-F8199-14, English. Chart columns: initial 600 mi (1000 km) or 1 month, then 2000/4000/6000/8000/10000 mi (4000/7000/10000/13000/16000 km) or 6/12/18/24/30 months, whichever comes first; from 12000 mi (19000 km) or 36 months repeat starting from the 4000 mi (7000 km) or 12 month column.

Open the source

65 items for a 2011 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: Liquid cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Automatic or semi-automatic
Final drive: Leather or rubber V-belt (veteran)
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2011 Yamaha C3 (49 cc)

On the road: every 100 mi

1 item

Check drive belt tension and belt fastener

Pre-ride / on the road

Guideline

Leather and early rubber belts stretch and slip when wet. Carry a spare fastener and a belt punch.

On the road: every 200 mi

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 300 mi

2 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline

On the road: every 500 mi

1 item

Check coolant level

Pre-ride / on the road

Guideline

Every 500 mi

1 item

Dress / clean V-belt and pulley rims

Final drive

Guideline

Every 2,000 mi or 6 months

23 items

Air induction system (check air cut-off valve, reed valve and hose for damage, replace damaged parts)

Engine

Factory

Factory: Marked 2000-10000 mi or 6-30 months; not at initial; dealer item
Change engine oil

Engine

Factory

Manual: Engine oil (change, warm engine before draining; check oil level and vehicle for oil leakage). Factory: Every column incl. 600 mi (1000 km) / 1 month initial
Chassis fasteners (check all chassis fittings and fasteners, correct if necessary)

Engine

Factory

Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Check engine breather and oil return

Engine

Factory

Manual: Crankcase breather system (check breather hose for cracks or damage, replace if necessary). Factory: Marked 2000-10000 mi or 6-30 months; not at initial; dealer item
Cooling system (check coolant level and vehicle for coolant leakage)

Engine

Factory

Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Exhaust system (check for leakage, tighten if necessary, replace gasket(s) if necessary)

Engine

Factory

Factory: Marked 2000-10000 mi or 6-30 months; not at initial; dealer item
Lights, signals and switches (check operation, adjust headlight beam)

Engine

Factory

Factory: Every column incl. 600 mi initial; dealer item
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip (check operation and free play, adjust if necessary, lubricate cable and grip housing). Factory: Marked 2000-10000 mi or 6-30 months; not at 600 mi initial; dealer item
Fuel injection (check engine idle speed)

Fuel and air

Factory

Factory: Every column incl. 600 mi (1000 km) / 1 month initial; dealer item
Replace fuel lines

Fuel and air

Factory

Manual: Fuel line (check fuel and vacuum hoses for cracks or damage, replace if necessary). Factory: Marked 2000-10000 mi (4000-16000 km) or 6-30 months; not at 600 mi initial; dealer item
Check steering head bearing adjustment

Front end

Factory

Manual: Steering bearings (check bearing assemblies for looseness). Factory: Marked at 600 mi initial and 2000, 4000, 6000, 10000 mi (the 8000 mi column says Repack); dealer item
Front fork (check operation and for oil leakage, replace if necessary)

Front end

Factory

Factory: Marked 2000-10000 mi or 6-30 months; no fork oil change interval printed; dealer item
Grease and check center / side stand and springs

Rear suspension and frame

Factory

Manual: Centerstand (check operation, lubricate). Factory: Marked 2000-10000 mi or 6-30 months
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Shock absorber assembly (check operation and for oil leakage, replace if necessary). Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Adjust rear drum brake and rod / cable linkage

Brakes

Factory

Manual: Rear brake (check operation, adjust cable and replace brake shoes if necessary). Factory: Drum brake (cable, shoes). Every column incl. 600 mi initial; dealer item
Check brake pads and discs

Brakes

Factory

Manual: Front brake (check operation, adjust cable and replace brake shoes if necessary). Factory: Drum brake (cable, shoes). Every column incl. 600 mi initial; dealer item
Front and rear brake switches (check operation)

Brakes

Factory

Factory: Every column incl. 600 mi initial; dealer item
Front brake lever pivot shaft (apply lithium-soap-based grease lightly)

Brakes

Factory

Factory: Marked 2000-10000 mi or 6-30 months
Rear brake lever pivot shaft (apply lithium-soap-based grease lightly)

Brakes

Factory

Factory: Marked 2000-10000 mi or 6-30 months
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel bearings (check for smooth operation, replace if necessary). Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires (check tread depth and for damage, check air pressure, replace or correct if necessary). Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Wheels (check runout and for damage, replace if necessary)

Wheels and tires

Factory

Factory: Marked 2000-10000 mi or 6-30 months; dealer item
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: Control and meter cables (apply Yamaha chain and cable lube or engine oil thoroughly). Factory: Every column incl. 600 mi initial; dealer item

Every 3,000 mi or 12 months

3 items

Adjust automatic / semi-automatic clutch

Primary and gearbox

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

Every 4,000 mi or 12 months

6 items

Clean oil strainers / mesh screens

Engine

Factory

Manual: Engine oil strainer (clean). Factory: Marked at 600 mi (1000 km) / 1 month initial, 4000 mi (7000 km) / 12 months and 8000 mi (13000 km) / 24 months; not an asterisk (dealer) item
Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug (check condition, adjust gap and clean). Factory: Check marked at 2000, 6000, 10000 mi (4000/10000/16000 km; 6/18/30 months); the 4000 and 8000 mi columns replace instead. Not marked at 600 mi initial; not an asterisk (dealer) item
Replace spark plugs

Engine

Factory

Manual: Spark plug (replace). Factory: Replace marked at 4000 mi (7000 km) / 12 months and 8000 mi (13000 km) / 24 months; routine text: replace at 4000 mi (7000 km) or 12 months and thereafter every 4000 mi (6000 km) or 12 months (km figure as printed); not an asterisk (dealer) item
Replace air filter element

Fuel and air

Factory

Manual: Air filter element (replace). Factory: Marked at 4000 mi (7000 km) / 12 months and 8000 mi (13000 km) / 24 months; repeats every 4000 mi via the repeat rule; disposable oil-coated paper element, do not clean with compressed air; replace more often in unusually wet or dusty areas; dealer item
Change final drive (rear drive) oil

Final drive

Factory

Manual: Final transmission oil (check vehicle for oil leakage, change). Factory: Marked at 600 mi (1000 km) / 1 month initial, 4000 mi (7000 km) / 12 months and 8000 mi (13000 km) / 24 months; not an asterisk (dealer) item
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 5,000 mi or 12 months

1 item

Replace oil filter

Engine

Guideline

Every 6,000 mi or 12 months

5 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.
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 6,000 mi

1 item

Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance (check and adjust when engine is cold). Factory: At 600 mi (1000 km) / 1 month initial, then every 6000 mi (10000 km), printed as text; no time interval; dealer item

Every 6,250 mi

1 item

Replace drive belt (wear or damage based)

Final drive

Factory

Manual: V-belt (replace). Factory: Every 6250 mi (10000 km), printed as text; no V-belt inspection row; dealer item

Every 8,000 mi or 2 years

1 item

Repack / replace steering head bearings

Front end

Factory

Manual: Steering bearings (moderately repack with lithium-soap-based grease). Factory: Every 8000 mi (13000 km) or 24 months per routine text; Repack marked in the 8000 mi column; dealer item

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

3 items

Synchronize throttle bodies

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 15,000 mi

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 20,000 mi 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 24,000 mi or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

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 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

Guideline

Every 3 years

1 item

Replace coolant

Engine

Factory

Manual: Cooling system (change coolant). Factory: Every 3 years, printed as text; dealer item

Every 4 years

2 items

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

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.