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Yamaha · Overhead-cam four-stroke single, wet sump, separate gearbox oil, CVT belt drive

Zuma 125

Library entry covers 2009-2024

25 factory 30 guideline

Published source

Yamaha 2020 Zuma 125 YW125L Owner's Manual LIT-11626-33-46 (BC9-F8199-14), Periodic maintenance charts pp.7-3 to 7-5

Factory owner's handbook. Covers 2020 (YW125L Zuma 125, US owner's manual LIT-11626-33-46, BC9-F8199-14, printed May 2019).

Open the source

55 items for a 2012 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: Separate gearbox oil
Clutch control: Automatic or semi-automatic
Final drive: Belt CVT, scooter automatic
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2012 Yamaha Zuma 125

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

Every 1,000 mi or 6 months

1 item

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline

Every 1,800 mi

2 items

Change engine oil

Engine

Factory

Manual: Engine oil (change). Factory: When indicator flashes: after initial 600mi (1000km), every 1800mi (3000km)
Clean oil strainers / mesh screens

Engine

Factory

Manual: Engine oil strainer (clean). Factory: Initial, then every 1800 mi (3000 km)

Every 2,000 mi or 6 months

15 items

Chassis fasteners (check all fittings and fasteners)

Engine

Factory

Factory: 2000mi columns
Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance (check and adjust when engine is cold). Factory: Every column: 0.6/2/4/6/8/10 x1000mi (1/4/7/10/13/16 x1000km), 1/6/12/18/24/30mo
Check engine breather and oil return

Engine

Factory

Manual: Crankcase breather system (check hose, replace if necessary). Factory: 2000mi columns; from 12000mi/36mo repeat from 4000mi/12mo
Exhaust system (check for leakage, tighten, replace gaskets)

Engine

Factory

Factory: Every column incl. initial
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip (check free play, lubricate cable and housing). Factory: 2000mi columns
Clean / inspect air filter

Fuel and air

Factory

Manual: Air filter element outer sponge (clean, replace if necessary). Factory: Every column incl. initial
Fuel injection (check engine idle speed)

Fuel and air

Factory

Factory: Every column incl. initial
Check steering head bearing adjustment

Front end

Factory

Manual: Steering bearings (check assemblies for looseness). Factory: Every column incl. initial
Inspect fork seals, stanchions and fork boots

Front end

Factory

Manual: Front fork (check operation and oil leakage). Factory: 2000mi columns
Grease and check center / side stand and springs

Rear suspension and frame

Factory

Manual: Centerstand and sidestand pivots (check operation, lubricate). Factory: 2000mi columns
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Shock absorber assembly (check operation and oil leakage). Factory: 2000mi columns
Check brake pads and discs

Brakes

Factory

Manual: Front/rear brake (check operation, fluid level, leakage; pads). Factory: Every column incl. initial
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel bearings (check smooth operation). Factory: 2000mi columns
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires (check tread depth, damage, pressure). Factory: 2000mi columns
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: Control cables (apply Yamaha cable lubricant). Factory: Every column incl. initial

Every 3,000 mi or 12 months

2 items

Adjust automatic / semi-automatic clutch

Primary and gearbox

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

Rear suspension and frame

Guideline

Every 4,000 mi or 12 months

5 items

Inspect, clean and gap spark plugs

Engine

Guideline
Replace spark plugs

Engine

Factory

Manual: Spark plug (replace). Factory: First at 4000mi (7000km)/12mo, then every 4000mi (6000km) or 12 months
Change final drive (rear drive) oil

Final drive

Factory

Manual: Final transmission oil (check leakage, change). Factory: Marked initial, 4000mi(7000km)/12mo and 8000mi(13000km)/24mo
Inspect CVT drive belt, rollers / sliders and clutch shoes

Final drive

Guideline

Typical scooter interval. Your owner's manual figure governs; check belt width against the service limit.
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

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 8,000 mi or 2 years

1 item

Repack / replace steering head bearings

Front end

Factory

Manual: Steering bearings (moderately repack, lithium-soap grease). Factory: Every 8000 mi (13000 km) or 24 months

Every 10,000 mi or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 11,000 mi

1 item

Replace drive belt (wear or damage based)

Final drive

Factory

Manual: V-belt (replace). Factory: Every 11000 mi (18000 km)

Every 12,000 mi or 2 years

2 items

Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 12,000 mi or 3 years

1 item

Replace CVT drive belt

Final drive

Guideline

Typical scooter interval, or sooner if the belt is cracked, glazed or below its width limit.

Every 12,500 mi

2 items

Replace air filter element

Fuel and air

Factory

Manual: Air filter element (replace). Factory: Every 12500 mi (20000 km)
V-belt case air filter element (clean / replace)

Fuel and air

Factory

Factory: Clean every column; replace every 12500 mi (20000 km)

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

Factory

Manual: Brake fluid (change). Factory: Every 2 years

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

Factory

Manual: Brake hoses (replace). Factory: Every 4 years
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.