Kawasaki · Kawasaki Z1 / KZ air-cooled DOHC four (1972-1985)

KZ1100 / GPz1100

Library entry covers 1981-1985

28 factory 41 guideline

Published source

Kawasaki KZ1000 / KZ1100 Motorcycle Service Manual (Kawasaki Heavy Industries), Supplement KZ1100-B1, Periodic Maintenance Chart pp.9-14, 9-15

Factory service manual. Covers KZ1000/KZ1100 service manual, KZ1100-B1 (GPz1100) supplement; chart in km and months.

Open the source

69 items for a 1981 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: Two or more carburetors
Cooling: Air / oil 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, twin shocks
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

1981 Kawasaki KZ1100 / GPz1100

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

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
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 600 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

On the road: every 1,000 mi

1 item

Check road kit: plugs, points file, master link, tube patches, wire, tape

Pre-ride / on the road

Guideline

On the road: every 6,200 mi

1 item

Walk-around: check nuts and bolts for vibration loosening

Pre-ride / on the road

Factory

Manual: Nuts, bolts, fasteners: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart

Every 190 mi

1 item

Clean drive chain thoroughly (remove and soak, re-lube)

Final drive

Factory

Manual: Drive chain: lubricate. Factory: Periodic maintenance chart pp.9-14, 9-15: slack checked every 800 km; miles converted from the km chart

Every 1,000 mi or 6 months

1 item

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline

Every 3,000 mi or 12 months

12 items

Adjust cam chain tensioner (manual-adjust models)

Engine

Guideline
Check engine mounting bolts and plates

Engine

Guideline
Clean fuel tap filter / sediment bowl

Fuel and air

Guideline
Synchronize carburetors

Fuel and air

Guideline
Adjust clutch pushrod / clutch adjuster

Primary and gearbox

Guideline
Check chain guard, chain oiler (if fitted), rear chain case

Final drive

Guideline
Check steering damper (friction or hydraulic)

Front end

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
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 3,100 mi or 1 month

1 item

Check battery electrolyte, top up with distilled water

Ignition and electrics

Factory

Manual: Battery electrolyte level: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart

Every 3,100 mi or 12 months

1 item

Change engine oil

Engine

Factory

Manual: Engine oil: change. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart

Every 3,100 mi

11 items

Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; air suction valves (US) checked at the same interval; miles converted from the km chart
Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plugs: clean and gap. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle grip: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart
Synchronize throttle bodies

Fuel and air

Factory

Manual: Idle speed: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; fuel injected; miles converted from the km chart
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Factory

Manual: Clutch: adjust. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart
Inspect chain and sprockets for wear (measure stretch)

Final drive

Factory

Manual: Drive chain wear: check. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Check steering head bearing adjustment

Front end

Factory

Manual: Steering play: check. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Front fork: clean. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Check brake pads and discs

Brakes

Factory

Manual: Brake wear: check. Factory: Periodic maintenance chart pp.9-14, 9-15: brake light switch checked every 5,000 km, first at 800 km; miles converted from the km chart
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tire tread wear: check. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Lubricate control cables and lever pivots

Controls and cables

Factory

Manual: General lubrication: perform. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart

Every 4,000 mi or 12 months

2 items

Replace spark plugs

Engine

Guideline
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 5,000 mi or 2 years

1 item

Check cylinder head bolt torque

Engine

Guideline

Air-cooled iron and alloy engines can lose head bolt tension; follow your manual's sequence and whether it is done hot or cold.

Every 6,000 mi or 12 months

4 items

Clean carburetor float bowl(s), check float level and jets

Fuel and air

Guideline

Ethanol fuel varnishes old carbs quickly in storage.
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 6,000 mi or 2 years

2 items

Check engine breather and oil return

Engine

Guideline
Check valve clearances (shim adjusted)

Engine

Guideline

Every 6,200 mi or 12 months

1 item

Replace brake fluid

Brakes

Factory

Manual: Brake fluid: change. Factory: Periodic maintenance chart pp.9-14, 9-15: level checked monthly and every 5,000 km; miles converted from the km chart

Every 6,200 mi

7 items

Replace oil filter

Engine

Factory

Manual: Oil filter: replace. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 800 km; miles converted from the km chart
Clean / inspect air filter

Fuel and air

Factory

Manual: Air cleaner element: clean. Factory: Periodic maintenance chart pp.9-14, 9-15: first at 5,000 km; miles converted from the km chart
Replace air filter element

Fuel and air

Factory

Manual: Air cleaner element: replace. Factory: Periodic maintenance chart pp.9-14, 9-15: or every 5 cleanings; miles converted from the km chart
Replace fuel filter

Fuel and air

Factory

Manual: Fuel filter: replace. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Lubricate and check automatic advance unit

Ignition and electrics

Factory

Manual: Timing advancer: lubricate. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Change fork oil

Front end

Factory

Manual: Front fork oil: change. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Grease swingarm pivot

Rear suspension and frame

Factory

Manual: Swing arm: lubricate. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 10,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 12,400 mi or 2 years

2 items

Repack / replace steering head bearings

Front end

Factory

Manual: Steering stem bearings: lubricate. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart
Repack / replace wheel bearings

Wheels and tires

Factory

Manual: Wheel bearings: lubricate. Factory: Periodic maintenance chart pp.9-14, 9-15: miles converted from the km chart

Every 15,000 mi or 5 years

1 item

Inspect clutch plates and springs

Primary and gearbox

Guideline

Every 15,000 mi

1 item

Replace brake linings / skim drums (wear based)

Brakes

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 fuel tank for rust, sealer failure, leaks

Fuel and air

Guideline
Replace fuel lines

Fuel and air

Factory

Manual: Fuel hoses: replace (high-pressure every 2 years, low-pressure every 4 years). Factory: Periodic maintenance chart pp.9-14, 9-15
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: Master cylinder cup and caliper piston seals: replace. Factory: Periodic maintenance chart pp.9-14, 9-15

Every 4 years

1 item

Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake hose: replace. Factory: Periodic maintenance chart pp.9-14, 9-15

Every 6 years

2 items

Replace inner tubes and rim tape with tires

Wheels and tires

Guideline
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.