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

Zuma 50

Library entry covers 2004-2019

26 factory 37 guideline

Published source

Yamaha YW50 Zuma 50 2011 Owner's Manual 5PJ-F8199-17 (US, English), periodic maintenance charts pp.6-3 to 6-7

Factory owner's handbook. Covers YW50 Zuma 50; 2011 US owner's manual 5PJ-F8199-17, 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. Two-stroke with Autolube oil injection: no engine oil, oil filter, spark plug or valve rows in the chart.

Open the source

63 items for a 2019 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, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2019 Yamaha Zuma 50

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 2,000 mi or 6 months

21 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 (p.6-3)
Autolube pump (check operation, bleed if necessary)

Engine

Factory

Factory: Two-stroke oil injection pump. Every column incl. 600 mi (1000 km) / 1 month initial; dealer item (p.6-5)
Chassis fasteners (check all chassis fittings and fasteners, correct if necessary)

Engine

Factory

Factory: Marked 2000-10000 mi or 6-30 months; dealer item (p.6-5)
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 (p.6-3)
Idle speed (check and adjust engine idle speed)

Engine

Factory

Factory: Every column incl. 600 mi (1000 km) / 1 month initial; dealer item (p.6-3)
Lights, signals and switches (check operation, adjust headlight beam)

Engine

Factory

Factory: Every column incl. 600 mi initial; dealer item (p.6-6)
Check throttle cable(s) free play and return

Fuel and air

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 (p.6-5)
Clean / inspect air filter

Fuel and air

Factory

Manual: Air filter element (clean with solvent, replace if necessary). Factory: Marked 2000-10000 mi (4000-16000 km) or 6-30 months; not at initial; dealer item. TIP: more frequent service in unusually wet or dusty areas (p.6-4, 6-7)
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 (p.6-3)
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 (13000 km) / 24 month cell reads "Repack." instead; dealer item (p.6-4)
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 (p.6-5)
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 (p.6-5)
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 (p.6-5)
Check brake pads and discs

Brakes

Factory

Manual: Front brake (check operation, fluid level and fluid leakage; replace brake pads if necessary). Factory: Hydraulic front brake. Every column incl. 600 mi (1000 km) / 1 month initial; dealer item. Chart has no brake fluid change row; TIP: always replace fluid when master cylinder or caliper is disassembled (p.6-4, 6-7)
Front brake lever pivot shaft (apply silicone grease lightly)

Brakes

Factory

Factory: Marked 2000-10000 mi or 6-30 months (p.6-5)
Rear brake (check operation, adjust cable and replace brake shoes if necessary)

Brakes

Factory

Factory: Cable-operated rear brake with shoes. Every column incl. 600 mi initial; dealer item (p.6-4)
Rear brake lever pivot shaft (apply lithium-soap-based grease lightly)

Brakes

Factory

Factory: Marked 2000-10000 mi or 6-30 months (p.6-5)
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 (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 2000-10000 mi or 6-30 months; dealer item (p.6-4)
Wheels (check runout and for damage, replace if necessary)

Wheels and tires

Factory

Factory: Marked 2000-10000 mi or 6-30 months; dealer item (p.6-4)
Throttle grip housing and cable (check operation and free play, adjust throttle cable free play if necessary, lubricate grip housing and cable)

Controls and cables

Factory

Factory: Marked 2000-10000 mi or 6-30 months; not at initial; dealer item (p.6-6)

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

4 items

Inspect, clean and gap spark plugs

Engine

Guideline
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; with the repeat rule this is every 4000 mi (7000 km) or 12 months (p.6-5)
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

2 items

Change engine oil

Engine

Guideline

Pre-1970 machines: many owners run non-detergent or classic-spec oil with no filter, so short intervals matter. Dry sump: drain the tank and the crankcase/sump, flush the tank and clean the feed and return screens.
Replace oil filter

Engine

Guideline

Every 6,000 mi or 12 months

4 items

Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check swingarm bushes for play

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 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 time interval; no belt inspection row; dealer item (p.6-5)

Every 8,000 mi or 2 years

2 items

Check and adjust valve clearances

Engine

Guideline
Repack / replace steering head bearings

Front end

Factory

Manual: Steering bearings (moderately repack with lithium-soap-based grease). Factory: Routine text: every 8000 mi (13000 km) or 24 months; chart cell "Repack." in the 8000 mi column; dealer item (p.6-4)

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

4 items

Replace air filter element

Fuel and air

Guideline
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 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 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 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

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

4 items

Master cylinder and caliper cylinder oil seals (replace)

Engine

Factory

Factory: From the TIP under the chart (p.6-7): replace every two years; not a chart row
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 4 years

2 items

Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake hoses (replace). Factory: From the TIP under the chart (p.6-7): replace every four years or if cracked or damaged; not a chart row
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.