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

TC 250

Library entry covers 2002-2025

108 factory 33 guideline

Published source

Husqvarna TE-TC 250/450, SM 400-450 R 2004 owner's manual, Periodic maintenance schedule pp.286-292

Factory owner's handbook. Covers 2004 TE-TC 250/450 owner's manual; TC (motocross) hours.

141 items for a 2015 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: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2015 Husqvarna TC 250

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

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 chain and sprockets for wear (measure stretch)

Final drive

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

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 9,500 km or 12 months

3 items

Check charging voltage and regulator / cut-out

Ignition and electrics

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 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
Synchronize throttle bodies

Fuel and air

Guideline

Every 24,000 km or 4 years

1 item

Check valve clearances (shim adjusted)

Engine

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 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

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 4 h

11 items

COOLANT - C

Engine

Factory

Factory: As printed: C EVERY 4h MX/8h EN
DRIVE SPROCKET - C

Engine

Factory

Factory: As printed: C EVERY 4h MX/8h EN
EXHAUST PIPE AND SILENCER - C

Engine

Factory

Factory: As printed: C EVERY 4h MX/8h EN
RADIATORS - C

Engine

Factory

Factory: As printed: C EVERY 4h MX/8h EN
RADIATORS HOSE/WATER PUMP - C

Engine

Factory

Factory: As printed: C EVERY 4h MX/8h EN
Replace fuel lines

Fuel and air

Factory

Manual: Fuel hoses - C. Factory: Check every 4h MX, replace every 40h MX
CLUTCH CONTROL ASSY. - C (•)

Primary and gearbox

Factory

Factory: As printed: C (•) EVERY 4h MX/8h EN; (•): 130
CHAIN GUIDE ROLLER, BEARINGS - C

Final drive

Factory

Factory: As printed: C EVERY 4h MX/8h EN
REAR CHAIN GUIDE/ REAR CHAIN GUARD - C

Final drive

Factory

Factory: As printed: C EVERY 4h MX/8h EN
SIDE STAND - C

Rear suspension and frame

Factory

Factory: As printed: C EVERY 4h MX/8h EN
THROTTLE AND STARTING DECOMPRESSOR CABLES - C

Controls and cables

Factory

Factory: As printed: C EVERY 4h MX/8h EN

Every 8 h

8 items

DRIVE SPROCKET - S

Engine

Factory

Factory: As printed: S EVERY 8h Mx/16h EN
FOOTRESTS, FOOTREST PINS AND SPRINGS - C

Engine

Factory

Factory: As printed: C EVERY 8h Mx/16h EN
INTAKE MANIFOLD - C

Engine

Factory

Factory: As printed: C EVERY 8h Mx/16h EN
Rear drive sprocket - S

Engine

Factory

Factory: Printed per the re-read doubt: sprocket S 8h Mx/16h EN, a separate chart row from the chain; this model uses the MX figure, taken as every 8 hours. (From the re-read doubt notes: Husqvarna TC 250, printed line or second operation stated in the DOUBT line.)
Replace chain and sprockets (wear based)

Final drive

Factory

Manual: Rear transmission chain - S. Factory: Replace every 8h MX; drive sprocket every 8h MX
FRONT BRAKE DISC - C

Brakes

Factory

Factory: As printed: C EVERY 8h Mx/16h EN
REAR BRAKE DISC - C (*)

Brakes

Factory

Factory: As printed: C (*) EVERY 8h Mx/16h EN; (*) ROTATE 45° THE FASTENING BUSHES
CLEAR CONTROL PEDAL - C

Controls and cables

Factory

Factory: As printed: C EVERY 8h Mx/16h EN

Every 16 h

5 items

SPARK PLUG GAP - C

Engine

Factory

Factory: As printed: C EVERY 16h MX/32h EN
STARTING PEDAL - L

Engine

Factory

Factory: As printed: L EVERY 16h MX/32h EN
CLUTCH HUB - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 16h MX/32h EN
SET OF MATCHED PRIMARY - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 16h MX/32h EN
THROTTLE AND STARTING DECOMPRESSOR CABLES - L

Controls and cables

Factory

Factory: As printed: L EVERY 16h MX/32h EN

Every 32 h

12 items

INTAKE MANIFOLD - S

Engine

Factory

Factory: As printed: S EVERY 32h MX/64h EN
OIL PUMP - C

Engine

Factory

Factory: As printed: C EVERY 32h MX/64h EN
REAR SUSPENSION LINKS BUSHINGS - C

Engine

Factory

Factory: As printed: C EVERY 32h MX/64h EN
STARTER DECOMPRESSOR SYSTEM - C

Engine

Factory

Factory: As printed: C EVERY 32h MX/64h EN
STARTING GEARS - C

Engine

Factory

Factory: As printed: C EVERY 32h MX/64h EN
VALVE TIMING DRIVING GEAR - C

Ignition and electrics

Factory

Factory: As printed: C EVERY 32h MX/64h EN
CLUTCH DISCS HOUSING - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 32h MX/64h EN
CLUTCH DISCS PRESSURE PLATE - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 32h MX/64h EN
CLUTCH DISENGAGEMENT ROD - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 32h MX/64h EN
CLUTCH SPRING - C

Primary and gearbox

Factory

Factory: As printed: C EVERY 32h MX/64h EN
REAR CHAIN SLIDER - C

Final drive

Factory

Factory: As printed: C EVERY 32h MX/64h EN
Valve timing chain - C

Final drive

Factory

Factory: Check every 32h MX, replace every 40h MX

Every 40 h

16 items

CAMSHAFT - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
CONNECTING ROD ASSY. - S

Engine

Factory

Factory: As printed: S EVERY 40h MX/80h EN
CRANKCASE BEARINGS - S

Engine

Factory

Factory: As printed: S EVERY 40h MX/80h EN
CYLINDER ASSY. - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
OIL PUMP/CRANKCASE HOSE - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
ROCKER ARM (INTAKE-EXHAUST) - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
VALVE - S (#)

Engine

Factory

Factory: As printed: S (#) EVERY 40h MX/80h EN; #: SEE WORKSHOP MANUAL
VALVE CUP, VALVE HALF CONE - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
VALVE SPRING - C

Engine

Factory

Factory: As printed: C EVERY 40h MX/80h EN
CARBURETOR THROTTLE VALVE - C

Fuel and air

Factory

Factory: As printed: C EVERY 40h MX/80h EN
Fuel hoses - S

Fuel and air

Factory

Factory: Printed per the re-read doubt: fuel hoses C 4h MX/8h EN and S 40h MX/80h EN; this model uses the MX figure, taken as every 40 hours. (From the re-read doubt notes: Husqvarna TC 250, printed line or second operation stated in the DOUBT line.)
VALVE TIMING DRIVEN GEAR - C

Ignition and electrics

Factory

Factory: As printed: C EVERY 40h MX/80h EN
CLUTCH CONTROL ASSY. - R (#)

Primary and gearbox

Factory

Factory: As printed: R (#) EVERY 40h MX/80h EN; #: SEE WORKSHOP MANUAL
VALVE TIMING CHAIN SLIDER - S

Final drive

Factory

Factory: As printed: S EVERY 40h MX/80h EN
VALVE TIMING CHAIN TENSIONER - C

Final drive

Factory

Factory: As printed: C EVERY 40h MX/80h EN
Valve timing chain - S

Final drive

Factory

Factory: Printed per the re-read doubt: timing chain C 32h MX/64h EN and S 40h MX/80h EN; this model uses the MX figure, taken as every 40 hours. (From the re-read doubt notes: Husqvarna TC 250, printed line or second operation stated in the DOUBT line.)

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

3 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

Every 4 years

1 item

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

No interval set

56 items

BOLTS AND NUTS TIGHTNESS GENERAL CHECK - C

Engine

Factory

Factory: As printed: C AFTER FIRST 3 hours
COOLANT - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
CYLINDER ASSY. - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Change engine oil

Engine

Factory

Manual: Engine oil. Factory: Replace after first 3 hours, then every 8h MX
Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance. Factory: Check after first 3 hours, then every 16h MX
DRIVE SPROCKET - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
EXHAUST PIPE AND SILENCER - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
EXHAUST SILENCER PACKING - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Exhaust muffler packing

Engine

Factory

Factory: Replace every 8h MX
FOOTRESTS, FOOTREST PINS AND SPRINGS - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
GENERAL CHECK AFTER RACING USE ON MUDDY OR SANDY GROUNDS

Engine

Factory

Factory: As printed: NOTE: GENERAL CHECK AFTER RACING USE ON MUDDY OR SANDY GROUNDS
HANDLEBAR HOLDERS AND FASTENING SET - C

Engine

Factory

Factory: As printed: C AFTER FIRST 3 hours
Inspect coolant hoses and clamps

Engine

Factory

Manual: Coolant hoses and clamps. Factory: Check every 4h MX
Piston assy.

Engine

Factory

Factory: Check every 32h MX, replace every 40h MX
REAR DRIVE SPROKET - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
REAR DRIVEN SPROCKET SCREWS TIGHTENING - C

Engine

Factory

Factory: As printed: C AFTER FIRST 3 hours
REPLACE SCREWS AND NUTS IF WORN

Engine

Factory

Factory: As printed: NOTE: REPLACE SCREWS AND NUTS IF WORN
ROCKER ARM (INTAKE-EXHAUST) - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Replace oil filter

Engine

Factory

Manual: Oil filter cartridge / net oil filter. Factory: Replace and clean every 8h MX; after first 3 hours
Replace spark plugs

Engine

Factory

Manual: Spark plug. Factory: Replace every 16h MX; clean every 8h MX
STARTER DECOMPRESSOR SYSTEM - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
STARTING GEARS - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
VALVE CUP, VALVE HALF CONE - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
VALVE SPRING - REPLACE IF NECESSARY

Engine

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
VERY REMOVAL REPLACE ALL GASKETS

Engine

Factory

Factory: As printed: NOTE: VERY REMOVAL REPLACE ALL GASKETS
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Throttle control assy.. Factory: Check and lubricate every 4h MX
Clean / inspect air filter

Fuel and air

Factory

Manual: Air filter. Factory: Clean and lubricate every 4h MX
Clean carburetor float bowl(s), check float level and jets

Fuel and air

Factory

Manual: Carburetor. Factory: Clean every 4h MX; overhaul every 40h MX
FUEL HOSES - REPLACE IF NECESSARY

Fuel and air

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
VALVE TIMING DRIVEN GEAR - REPLACE IF NECESSARY

Ignition and electrics

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
VALVE TIMING DRIVING GEAR - REPLACE IF NECESSARY

Ignition and electrics

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
CLUTCH DISCS - REPLACE IF NECESSARY

Primary and gearbox

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
CLUTCH HUB - REPLACE IF NECESSARY

Primary and gearbox

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
CLUTCH SPRING - REPLACE IF NECESSARY

Primary and gearbox

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Inspect clutch plates and springs

Primary and gearbox

Factory

Manual: Clutch discs. Factory: Check every 8h MX, replace every 32h MX
REAR CHAIN GUIDE/ REAR CHAIN GUARD - REPLACE IF NECESSARY

Final drive

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
REAR CHAIN SLIDER - REPLACE IF NECESSARY

Final drive

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
REAR TRANSMISSION CHAIN - REPLACE IF NECESSARY

Final drive

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Rear transmission chain - C, L

Final drive

Factory

Factory: Printed per the re-read doubt: chain C, L after first 3 hours (one-time point, so no repeat interval). (From the re-read doubt notes: Husqvarna TC 250, printed line or second operation stated in the DOUBT line.)
Change fork oil

Front end

Factory

Manual: Front fork. Factory: Overhaul every 8h MX
Check steering head bearing adjustment

Front end

Factory

Manual: Steering head, steering crown with pin. Factory: Lubricate every 8h MX
Check swingarm bushes for play

Rear suspension and frame

Factory

Manual: Rear swing arm bushings. Factory: Check every 16h MX
Clean and grease rear suspension linkage

Rear suspension and frame

Factory

Manual: Rear suspension links needle bearings and gudgeon pin. Factory: Lubricate every 4h MX
Grease swingarm pivot

Rear suspension and frame

Factory

Manual: Rear swing arm pivot needle bearings. Factory: Lubricate every 8h MX
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Rear shock absorber. Factory: Overhaul every 40h MX
SADDLE FRAME FASTENING BOLTS, ENGINE FASTENING BOLTS - C

Rear suspension and frame

Factory

Factory: As printed: C AFTER FIRST 3 hours
BRAKE PADS - REPLACE IF NECESSARY

Brakes

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Check brake pads and discs

Brakes

Factory

Manual: Brake pads. Factory: Check every 4h MX
FRONT BRAKE DISC - REPLACE IF NECESSARY

Brakes

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake system pump/caliper hoses. Factory: Check every 4h MX
REAR BRAKE DISC - REPLACE IF NECESSARY

Brakes

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
Replace brake fluid

Brakes

Factory

Manual: Front / rear brake system fluid. Factory: Check every 4h MX, replace every 40h MX
Check spoke tension and wheel true

Wheels and tires

Factory

Manual: Wheel spokes tension. Factory: Check after first 3 hours, then every 8h MX
Check wheel bearings for play

Wheels and tires

Factory

Manual: Wheel hub bearings. Factory: Replace every 32h MX
WHEEL HUB BEARINGS - REPLACE IF NECESSARY

Wheels and tires

Factory

Factory: As printed: x (REPLACE IF NECESSARY)
THROTTLE AND STARTING DECOMPRESSOR CABLES - REPLACE IF NECESSARY

Controls and cables

Factory

Factory: As printed: x (REPLACE IF NECESSARY)

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.