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Kayo · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

K6

Library entry covers 2025

29 factory 51 guideline

Published source

KAYO MOTOR K6-R Service Manual, routine maintenance table pp.17-18 (ManualsLib viewer pp.17-18)

Factory service manual. Covers KAYO MOTOR K6-R Service Manual (names the K6-R only), no year printed.

80 items for a 2025 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: Single carburetor
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, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2025 Kayo K6

On the road: every 300 km

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 500 km

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 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 1,000 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,600 km or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 5,000 km or 12 months

11 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean fuel tap filter / sediment bowl

Fuel and air

Guideline
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 steering head bearing adjustment

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 brake pads and discs

Brakes

Guideline
Check spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 6,500 km or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 8,000 km 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 9,500 km or 12 months

8 items

Inspect coolant hoses and clamps

Engine

Guideline
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.
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
Inspect rear shocks for leaks and damping

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 13,000 km or 2 years

1 item

Check and adjust valve clearances

Engine

Guideline

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 19,500 km or 2 years

2 items

Replace air filter element

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 24,000 km 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 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 29,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 32,000 km or 4 years

2 items

Repack / replace steering head bearings

Front end

Guideline

Many old machines use loose balls in cups and cones. Taper roller conversions are common.
Repack / replace wheel bearings

Wheels and tires

Guideline

Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 40,000 km or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 48,500 km or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 10 h

24 items

Coolant and antifreeze level (check)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Engine oil and oil filter (change); oil screen (clean)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Idle (check)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Moving parts (grease and check operation)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Screws and nuts (check tightness)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Spark plug (check)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 hours; gap 0.6 to 0.7 mm (note p.18). Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Air filter and air filter box (clean)

Fuel and air

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Fuel screen (change)

Fuel and air

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Fuel, cooling, breather and drain hoses (check for cracks, leaks and routing)

Fuel and air

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Battery (check and charge)

Ignition and electrics

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Chain tension (check)

Final drive

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Chain, sprockets and chain guide (check)

Final drive

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Steering head bearing play (check)

Front end

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Frame and swingarm (check)

Rear suspension and frame

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Shock absorber heim joints and linkage (check)

Rear suspension and frame

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Brake discs (check)

Brakes

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Brake lines (check for damage and leaks)

Brakes

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Front and rear brake fluid level (check)

Brakes

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Front and rear brake linings (check)

Brakes

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Hand and foot brake lever free travel (check)

Brakes

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Rim runout and spoke tension (check)

Wheels and tires

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Tire condition and air pressure (check)

Wheels and tires

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Wheel bearing play and wheel hubs (check)

Wheels and tires

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Cables and throttle cables (check damage, routing and adjustment)

Controls and cables

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 10 operating hours or after every race. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.

Every 20 h

3 items

Spark plug (replace)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 20 hours (note p.18). Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Clutch (check)

Primary and gearbox

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 20 hours. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Swingarm bearing play (check)

Rear suspension and frame

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 20 hours. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.

Every 30 h

2 items

Valve clearance (check)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): once after 1 operating hour, then every 30 hours. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.
Water pump cover seal and shaft seal rings (change)

Engine

Factory

Factory: Routine maintenance table (service manual pp.17-18): every 30 hours. Columns as printed: once after 1 operating hour (one-time), every 10 operating hours or after every race, every 20 hours, every 30 hours. The table is for reference; adjust the period to how the motorcycle is used.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

4 items

Replace coolant

Engine

Guideline
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

3 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

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

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.