Kawasaki · Modern chain-drive motorcycle (2000-)

Vulcan / Concours / GPz (liquid-cooled)

Library entry covers 1983-2026

36 factory 30 guideline

Published source

2001 Kawasaki Vulcan VN800A Service Manual (Kawasaki Heavy Industries)

Factory workshop manual. Covers 2001 (VN800A Vulcan 800).

Open the source

66 items for a 1990 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

1990 Kawasaki Vulcan / Concours / GPz (liquid-cooled)

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 tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 497 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Factory

Manual: Drive chain slack - check. Factory: Periodic maintenance chart p.1-9: every 800 km

On the road: every 500 mi

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 3,107 mi

1 item

Check lights, horn, brake light switches

Pre-ride / on the road

Factory

Manual: Brake light switch - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km

Every 1,000 mi or 1 month

1 item

Check battery electrolyte, top up with distilled water

Ignition and electrics

Guideline

Wet-cell batteries on old machines need regular topping up, more in hot weather.

Every 3,000 mi or 12 months

5 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 fork seals, stanchions and fork boots

Front end

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

Rear suspension and frame

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 3,107 mi or 1 month

1 item

Brake fluid level - check

Brakes

Factory

Factory: Chart p.1-9: monthly, and at 800 km then every 5,000 km

Every 3,107 mi or 12 months

1 item

Change engine oil

Engine

Factory

Manual: Engine oil - change. Factory: Chart p.1-9: initial 800 km, then every 5,000 km or year

Every 3,107 mi

14 items

Air suction valve - check

Engine

Factory

Factory: Periodic maintenance chart p.1-9: every 5,000 km
Idle speed - adjust

Engine

Factory

Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug - clean; spark plug - check. Factory: Periodic maintenance chart p.1-9: every 5,000 km
Fuel hoses, connections - check

Fuel and air

Factory

Factory: Periodic maintenance chart p.1-9: every 5,000 km
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Factory

Manual: Clutch - adjust. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Inspect chain and sprockets for wear (measure stretch)

Final drive

Factory

Manual: Drive chain wear - check. Factory: Periodic maintenance chart p.1-9: every 5,000 km
Check steering head bearing adjustment

Front end

Factory

Manual: Steering - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Adjust rear drum brake and rod / cable linkage

Brakes

Factory

Manual: Brake play - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Brake hoses, connections - check

Brakes

Factory

Factory: Periodic maintenance chart p.1-9: every 5,000 km
Check brake pads and discs

Brakes

Factory

Manual: Brake lining or pad wear - check. Factory: Periodic maintenance chart p.1-9: every 5,000 km
Check spoke tension and wheel true

Wheels and tires

Factory

Manual: Spoke tightness and rim runout - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tire wear - check. Factory: Periodic maintenance chart p.1-9: every 5,000 km
Evaporative emission control system (Cal) - check

Controls and cables

Factory

Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 5,000 km
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: General lubrication - perform. Factory: Periodic maintenance chart p.1-9: every 5,000 km

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
Inspect rear shocks for leaks and damping

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 6,214 mi or 12 months

1 item

Inspect coolant hoses and clamps

Engine

Factory

Manual: Radiator hoses, connections - check. Factory: Chart p.1-9: initial 800 km, then every 10,000 km or year

Every 6,214 mi

8 items

Walk-around: check nuts and bolts for vibration loosening

Pre-ride / on the road

Factory

Manual: Nuts, bolts, and fastener tightness - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 10,000 km
Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance check. Factory: Periodic maintenance chart p.1-9: every 10,000 km
Clean oil strainers / mesh screens

Engine

Factory

Manual: Oil screen - clean. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 10,000 km
Replace oil filter

Engine

Factory

Manual: Oil filter - replace. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 10,000 km
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip play - check. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 10,000 km
Clean / inspect air filter

Fuel and air

Factory

Manual: Air cleaner element - clean. Factory: Periodic maintenance chart p.1-9: initial 800 km, then every 10,000 km
Fuel system - check

Fuel and air

Factory

Factory: Periodic maintenance chart p.1-9: every 10,000 km
Clean and grease rear suspension linkage

Rear suspension and frame

Factory

Manual: Swingarm pivot, uni-trak linkage - lubricate. Factory: Periodic maintenance chart p.1-9: every 10,000 km

Every 8,000 mi or 2 years

2 items

Check valve clearances (shim adjusted)

Engine

Guideline
Replace spark plugs

Engine

Guideline

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

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 12,427 mi or 2 years

2 items

Repack / replace steering head bearings

Front end

Factory

Manual: Steering stem bearing - lubricate. Factory: Periodic maintenance chart p.1-9: 20,000 km or 2 years
Replace brake fluid

Brakes

Factory

Manual: Brake fluid - change. Factory: Periodic maintenance chart p.1-9: 20,000 km or 2 years

Every 18,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 18,641 mi or 2 years

1 item

Replace coolant

Engine

Factory

Manual: Coolant - change. Factory: Periodic maintenance chart p.1-9: 30,000 km or 2 years, whichever first

Every 18,641 mi

1 item

Change fork oil

Front end

Factory

Manual: Front fork oil - change. Factory: Periodic maintenance chart p.1-9: every 30,000 km

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 12 months

1 item

Check speedometer / odometer against a known distance

Controls and cables

Guideline

Old speedos drift with tire size and drive wear. Use phone GPS over a measured 10 miles / km.

Every 2 years

5 items

Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Brake cable - replace

Brakes

Factory

Factory: Periodic maintenance chart p.1-9: every 2 years
Lubricate brake cam spindles, check linings and drums

Brakes

Factory

Manual: Brake camshaft - lubricate. Factory: Periodic maintenance chart p.1-9: every 2 years
Rebuild calipers and master cylinders (seals)

Brakes

Factory

Manual: Master cylinder cup/dust seal and caliper piston seal/dust seal - replace. Factory: Periodic maintenance chart p.1-9: every 2 years

Every 4 years

2 items

Replace fuel lines

Fuel and air

Factory

Manual: Fuel hose - replace. Factory: Periodic maintenance chart p.1-9: every 4 years
Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake hose - replace. Factory: Periodic maintenance chart p.1-9: 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.