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

300SS

Library entry covers 2023-2025

41 factory 50 guideline

Published source

CFMoto 300SS CF300-3US Owner's Manual, Periodic Maintenance Interval tables pp.92-97 (ManualsLib 3235301)

Factory owner's handbook. Covers CFMoto 300SS (CF300-3US) owner's manual, US edition; year not printed in the parts read.

91 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, 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

2025 CFMoto 300SS

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 500 mi

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 600 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,000 mi or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 3,000 mi or 6 months

4 items

Engine oil and oil filter (replace)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): 6 months, 3,000 mi or 5,000 km; remark: Replace. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Fuses or circuit breakers (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.93): 6 months, 3,000 mi or 5,000 km; remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Oil strainer (clean)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): 6 months, 3,000 mi or 5,000 km; remark: Clean. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Battery (inspect)

Ignition and electrics

Factory

Factory: Periodic Maintenance Interval table (p.93): 6 months, 3,000 mi or 5,000 km; remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 3,000 mi or 12 months

10 items

Check throttle cable(s) free play and return

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 wheel bearings for play

Wheels and tires

Guideline
Cables and wires (inspect for damage, bending and routing)

Controls and cables

Factory

Factory: Periodic Maintenance Interval table (p.97) prints two lines for this item: 12 months, 3,000 mi / 5,000 km; and 24 months, 9,000 mi / 15,000 km. Remark: Inspect for damage, bending and routing. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 3,000 mi

5 items

Spark plug (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 3,000 mi or 5,000 km; remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Throttle system (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 3,000 mi or 5,000 km; remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Throttle valve (clean)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 3,000 mi or 5,000 km; remark: Clean. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Air filter element (clean)

Fuel and air

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 3,000 mi or 5,000 km; remark: Clean. Marked: have an authorized dealer perform repairs on this component or system. Marked as a severe-use item. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Clutch (inspect)

Primary and gearbox

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 3,000 mi or 5,000 km; remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 4,000 mi 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 5,000 mi 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 6,000 mi or 12 months

28 items

Bolts and nuts (inspect for fastness)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.97) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 48 months, 18,000 mi / 30,000 km. Remark: Inspect for fastness. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Coolant (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Coolant hoses (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 48 months, 18,000 mi / 30,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Coolant level (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Diagnosis connector (read with PDA)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.97) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Read with PDA. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Functions of electrical parts (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.93): 12 months, 6,000 mi or 10,000 km; remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Inspect coolant hoses and clamps

Engine

Guideline
Mobile parts (lubricate; inspect for flexibility)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.97) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 48 months, 18,000 mi / 30,000 km. Remark: Lubricate; inspect for flexibility. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Pipes, ducts, hoses and sleeves (inspect for cracks, sealing and routing)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.97) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 48 months, 18,000 mi / 30,000 km. Remark: Inspect for cracks, sealing and routing. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Radiator fan function (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Wires (inspect for damage, bending and routing)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.93): 12 months, 6,000 mi or 10,000 km; remark: Inspect for damage, bending and routing. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
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
Chain, rear sprocket and engine sprocket (inspect)

Final drive

Factory

Factory: Periodic Maintenance Interval table (p.96) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Marked as a severe-use item. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Rear shock absorber and front forks (inspect for leaking)

Front end

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect for leaking (maintain the parts according to the requirement). Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Steering bearings (inspect)

Front end

Factory

Factory: Periodic Maintenance Interval table (p.96) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Check swingarm bushes for play

Rear suspension and frame

Guideline
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Brake discs (inspect)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Brake fluid level (inspect)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and no calendar interval, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Brake hoses (inspect for damage and sealing)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect for damage and sealing (printed with the 24-month line first). Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Brake lever (inspect for free play)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect for free play (printed with the 24-month line first). Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Brake pads (inspect)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Marked as a severe-use item. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Front and rear brake system (inspect)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Tire condition (inspect)

Wheels and tires

Factory

Factory: Periodic Maintenance Interval table (p.93) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Tire pressure (inspect)

Wheels and tires

Factory

Factory: Periodic Maintenance Interval table (p.93) prints two lines for this item: 12 months, 6,000 mi / 10,000 km; and 24 months, 12,000 mi / 20,000 km. Remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
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 6,000 mi

5 items

Idle (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 6,000 mi or 10,000 km; remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Spark plug (replace)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 6,000 mi or 10,000 km; remark: Replace. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Suspension system (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.95): no calendar interval, 6,000 mi or 10,000 km; remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Swing arms (inspect)

Rear suspension and frame

Factory

Factory: Periodic Maintenance Interval table (p.95) prints two lines for this item: no calendar interval, 6,000 mi / 10,000 km; and no calendar interval, 18,000 mi / 30,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Wheel bearings (inspect)

Wheels and tires

Factory

Factory: Periodic Maintenance Interval table (p.93) prints two lines for this item: no calendar interval, 6,000 mi / 10,000 km; and no calendar interval, 18,000 mi / 30,000 km. Remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

5 items

Air filter element (replace)

Fuel and air

Factory

Factory: Periodic Maintenance Interval table (p.92): 24 months, 12,000 mi or 20,000 km; remark: Replace. Marked: have an authorized dealer perform repairs on this component or system. Marked as a severe-use item. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

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 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 18,000 mi

2 items

Replace chain and sprockets (wear based)

Final drive

Guideline
Frame (inspect)

Rear suspension and frame

Factory

Factory: Periodic Maintenance Interval table (p.96): no calendar interval, 18,000 mi or 30,000 km; remark: Inspect. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 20,000 mi 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 21,000 mi or 2 years

1 item

Coolant (replace)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): 24 months, 21,000 mi or 35,000 km; remark: Replace. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

Every 24,000 mi or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 24,000 mi

1 item

Valve clearance (inspect)

Engine

Factory

Factory: Periodic Maintenance Interval table (p.92): no calendar interval, 24,000 mi or 40,000 km; remark: Inspect. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.

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 2 years

5 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
Brake fluid (replace)

Brakes

Factory

Factory: Periodic Maintenance Interval table (p.94): 24 months; remark: Replace. Marked: have an authorized dealer perform repairs on this component or system. Periodic Maintenance Interval: service whichever interval comes first. Severe-use items: reduce interval by 50% on vehicles subjected to severe use.
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

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.