Yamaha Niken — Example photo: Thesupermat, CC BY-SA 4.0, Wikimedia Commons

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Yamaha · Shim-adjusted overhead-cam four-stroke, wet sump, gearbox shares engine oil, chain drive

Niken

Library entry covers 2018-2024

32 factory 24 guideline

Published source

Yamaha MXT850 (Niken) Owner's Manual BD5-28199-E0 (English), Periodic maintenance charts pp.6-3 to 6-8

Factory owner's handbook. Covers 2018 (MXT850, EU owner's manual BD5-28199-E0, printed Apr 2018).

Open the source

56 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: Four-stroke
Engine lubrication: Wet sump (oil in crankcase)
Oil filtration: Replaceable cartridge or spin-on filter
Valve gear: Overhead cam, shim adjusted (incl. desmo)
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: 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 Yamaha Niken

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

On the road: every 600 mi

2 items

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Factory

Manual: Drive chain (check slack, alignment; adjust and lubricate). Factory: Every 1000 km (600 mi) and after washing or riding in rain

Every 3,000 mi or 12 months

3 items

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 footrests, pegs, rear brake and gear lever pivots

Rear suspension and frame

Guideline

Every 6,000 mi or 12 months

14 items

Air induction system (check air cut-off valve, reed valve, hose)

Engine

Factory

Factory: 10000km columns and annual check
Change engine oil

Engine

Factory

Manual: Engine oil (change, warm engine before draining). Factory: Cols 1000km(600mi) initial, then 10000km(6000mi) spacing to 40000km; annual check
Chassis fasteners (check tightness)

Engine

Factory

Factory: 10000km columns and annual check
Diagnostic system check (Yamaha diagnostic tool, error codes)

Engine

Factory

Factory: Every column incl. 1000km initial and annual check
Inspect coolant hoses and clamps

Engine

Factory

Manual: Cooling system (check coolant level and leakage). Factory: 10000km columns and annual check
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip housing and cable (check free play, lubricate). Factory: 10000km columns and annual check
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.
Synchronize throttle bodies

Fuel and air

Factory

Manual: Fuel injection (check and adjust synchronization). Factory: 10000km columns and annual check; idle speed also at 1000km
Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Factory

Manual: Sidestand (check operation, lubricate). Factory: 10000km columns and annual check
Check brake pads and discs

Brakes

Factory

Manual: Front/rear brake (check operation, fluid level, leakage; pads). Factory: Every column incl. initial and annual check
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires (check tread depth, damage, pressure). Factory: 10000km columns and annual check
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: Moving parts and cables; lever and pedal pivots (lubricate). Factory: 10000km columns and annual check
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

7 items

Exhaust system (check for leakage, tighten, replace gaskets)

Engine

Factory

Factory: Marked 1000km initial, then every 10000km
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Factory

Manual: Clutch (check operation, adjust). Factory: Marked 1000km initial, then every 10000km
Inspect fork seals, stanchions and fork boots

Front end

Factory

Manual: Front fork (check operation and oil leakage). Factory: 10000km columns
Check swingarm bushes for play

Rear suspension and frame

Factory

Manual: Swingarm pivot bearings (check operation and play). Factory: 10000km columns
Clean and grease rear suspension linkage

Rear suspension and frame

Factory

Manual: Rear suspension relay arm and connecting arm pivots (check operation). Factory: 10000km columns; no lubrication interval listed
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Shock absorber assembly (check operation and oil leakage). Factory: 10000km columns
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel bearings (check looseness or damage). Factory: 10000km columns

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi

6 items

Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plugs (check condition, adjust gap and clean). Factory: Marked at 10000km and 30000km
Replace oil filter

Engine

Factory

Manual: Engine oil filter cartridge (replace). Factory: Marked 1000km initial, 20000km, 40000km
Replace spark plugs

Engine

Factory

Manual: Spark plugs (replace). Factory: Marked at 20000km and 40000km
Check steering head bearing adjustment

Front end

Factory

Manual: Steering system (check bearing play and roughness). Factory: Marked 1000km, 10000km, 30000km
Repack / replace steering head bearings

Front end

Factory

Manual: Steering system (lubricate with urea grease). Factory: Marked at 20000km and 40000km
Evaporative emission control system (check)

Controls and cables

Factory

Factory: Marked at 20000km and 40000km

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 or 4 years

1 item

Check valve clearances (shim adjusted)

Engine

Guideline

Every 18,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

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 24,000 mi

2 items

Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance (check and adjust). Factory: Every 40000 km (24000 mi); from 50000km repeat intervals from 10000km
Replace air filter element

Fuel and air

Factory

Manual: Air filter element (replace). Factory: Every 40000 km (24000 mi)

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 30,000 mi

1 item

Grease swingarm pivot

Rear suspension and frame

Factory

Manual: Swingarm pivot bearings (lubricate, lithium-soap grease). Factory: Every 50000 km (30000 mi)

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

4 items

Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Factory

Manual: Brake master cylinder and caliper internal components (replace). Factory: Every two years, with brake fluid change (TIP)
Replace brake fluid

Brakes

Factory

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

Every 3 years

1 item

Replace coolant

Engine

Factory

Manual: Cooling system (change coolant). Factory: Every 3 years

Every 4 years

2 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; checked every 10000km and annually

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.