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

Majesty 400

Library entry covers 2004-2016

28 factory 27 guideline

Published source

Yamaha 2008 Majesty YP400X Owner's Manual LIT-11626-21-34 (5RU-28199-13), Periodic maintenance charts pp.6-3 to 6-6

Factory owner's handbook. Covers 2008 (YP400X Majesty, US owner's manual LIT-11626-21-34, 5RU-28199-13, printed May 2007).

Open the source

55 items for a 2009 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: 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: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2009 Yamaha Majesty 400

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 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 3,125 mi

1 item

Change engine oil

Engine

Factory

Manual: Engine oil (change). Factory: Initial, then when oil change indicator flashes (every 3125 mi (5000 km))

Every 4,000 mi or 6 months

16 items

Chassis fasteners (check all fittings and fasteners)

Engine

Factory

Factory: 4000mi columns
Check engine breather and oil return

Engine

Factory

Manual: Crankcase breather system (check hose, replace if necessary). Factory: 4000mi columns; from 24000mi/36mo repeat from 8000mi/12mo
Inspect coolant hoses and clamps

Engine

Factory

Manual: Cooling system (check coolant level and leakage). Factory: 4000mi columns
Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug (check condition, adjust gap and clean). Factory: 4000mi(7000km)/6mo columns; replaced at 12000mi
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip housing and cable (check free play, lubricate). Factory: 4000mi columns
Fuel injection (check engine idle speed)

Fuel and air

Factory

Factory: Every column incl. initial
V-belt case air filter element (clean)

Fuel and air

Factory

Factory: 4000mi columns
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: 4000mi columns
Grease and check center / side stand and springs

Rear suspension and frame

Factory

Manual: Centerstand and sidestand pivots (check operation, lubricate). Factory: 4000mi columns
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Shock absorber assemblies (check operation and oil leakage). Factory: 4000mi columns
Check brake pads and discs

Brakes

Factory

Manual: Front/rear brake (check operation, fluid level, leakage; pads). Factory: Every column incl. initial
Rear brake lock (check operation, adjust)

Brakes

Factory

Factory: Every column incl. initial
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel bearings (check smooth operation). Factory: 4000mi columns
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires (check tread depth, damage, pressure). Factory: 4000mi columns
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: Front and rear brake lever pivot shafts (silicone grease). Factory: 4000mi columns

Every 4,000 mi or 12 months

1 item

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.

Every 6,000 mi or 12 months

4 items

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 8,000 mi or 12 months

1 item

Change final drive (rear drive) oil

Final drive

Factory

Manual: Final transmission oil (check leakage, change). Factory: Marked initial, 8000mi(13000km)/12mo and 16000mi(25000km)/24mo

Every 10,000 mi or 18 months

1 item

Replace spark plugs

Engine

Factory

Manual: Spark plug (replace). Factory: Replace every 10000 mi (16000 km) or 18 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 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 12,000 mi

2 items

Replace air filter element

Fuel and air

Factory

Manual: Air filter elements (replace). Factory: Every 12000 mi (19000 km)
Repack / replace steering head bearings

Front end

Factory

Manual: Steering bearings (moderately repack, lithium-soap grease). Factory: Every 12000 mi (19000 km)

Every 12,500 mi

2 items

Replace oil filter

Engine

Factory

Manual: Engine oil filter element (replace). Factory: Initial, then every 12500 mi (20000 km)
Replace drive belt (wear or damage based)

Final drive

Factory

Manual: V-belt (replace). Factory: When V-belt replacement indicator flashes (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 or 4 years

1 item

Check valve clearances (shim adjusted)

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 26,600 mi

1 item

Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance (check and adjust when engine is cold). Factory: Every 26600 mi (42000 km)

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

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 (NOTE under chart)
Replace brake fluid

Brakes

Factory

Manual: Brake fluid (change). Factory: Every two years (NOTE under chart)

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

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.