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

FC 350

Library entry covers 2014-2025

42 factory 52 guideline

Published source

Husqvarna FC 350 2022 Owner's Manual, Service schedule 9.2-9.3 pp.35-36 (ManualsLib 2416555 pages 37-38)

Factory owner's handbook. Covers 2022 Husqvarna FC 350 owner's manual; other years not compared.

94 items for a 2021 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, hydraulic
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

2021 Husqvarna FC 350

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 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 spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 4,000 mi or 12 months

1 item

Inspect, clean and gap spark plugs

Engine

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

7 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.
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 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

4 items

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

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

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 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 10 h

29 items

Antifreeze and coolant level (check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Engine oil and oil filter (change), oil screen (clean)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Fault memory (read out with diagnostics tool)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Final check and test ride

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Hoses and sleeves (check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): check fuel, cooling, bleeder and drain hoses for cracks, tightness and routing after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Idle speed (check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Moving parts (grease, check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): grease all moving parts (hand lever, chain and so on) and check for smooth operation every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Safety-relevant screws and nuts (check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Air filter and air filter box (clean)

Fuel and air

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Fuel pressure (check)

Fuel and air

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Fuel screen (change)

Fuel and air

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
12 V battery (check, charge)

Ignition and electrics

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Hydraulic clutch fluid level (check)

Primary and gearbox

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Chain tension (check)

Final drive

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Chain, sprockets and chain guide (check)

Final drive

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Steering head bearing play (check)

Front end

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Frame (check)

Rear suspension and frame

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Shock absorber heim joint and linkage (check)

Rear suspension and frame

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Swingarm (check)

Rear suspension and frame

Factory

Factory: Required work 9.2 (pp.35-36): "link fork": every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Brake discs (check)

Brakes

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Brake fluid level, front and rear (check)

Brakes

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Brake lever free travel, hand and foot (check)

Brakes

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Brake lines (check)

Brakes

Factory

Factory: Required work 9.2 (pp.35-36): check for damage and leaks every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Brake linings, front and rear (check)

Brakes

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Rim runout and spoke tension (check)

Wheels and tires

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Tire condition and pressure (check)

Wheels and tires

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Wheel bearings and hubs (check)

Wheels and tires

Factory

Factory: Required work 9.2 (pp.35-36): every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Cables (check)

Controls and cables

Factory

Factory: Required work 9.2 (pp.35-36): check for damage and kink-free routing every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Throttle cables (check)

Controls and cables

Factory

Factory: Required work 9.2 (pp.35-36): undamaged, routed without kinks, set correctly, after 1 operating hour, then every 10 operating hours and after every race. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.

Every 20 h

3 items

Main muffler glass fiber filling (change)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): every 20 and 40 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Clutch (check)

Primary and gearbox

Factory

Factory: Required work 9.2 (pp.35-36): every 20 and 40 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Swingarm bearing play (check)

Rear suspension and frame

Factory

Factory: Required work 9.2 (pp.35-36): "fork bearing": every 20 and 40 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.

Every 30 h

2 items

Valve clearance (check)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): after 1 operating hour, then every 30 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Water pump cover seal and radial shaft seals (change)

Engine

Factory

Factory: Required work 9.2 (pp.35-36): every 30 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.

Every 40 h

2 items

Fork (service)

Front end

Factory

Factory: Required work 9.2 (pp.35-36): every 40 operating hours; recommended work also lists a one-time fork service after 10 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.
Shock absorber (service)

Rear suspension and frame

Factory

Factory: Required work 9.2 (pp.35-36): every 40 operating hours; recommended work also lists a one-time shock service after 20 operating hours. Required-work columns: after 1 operating hour (one-time), every 10, 20, 30 and 40 operating hours, and after every race.

Every 50 h

1 item

Minor engine service

Engine

Factory

Factory: Recommended work 9.3 (pp.35-36): every 50 operating hours and every 100 operating hours: remove and install the engine, change spark plug and connector, change the piston, check and measure the cylinder, check the cylinder head, camshaft and cam lever and the timing assembly, change the intake flange. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.

Every 100 h

1 item

Fuel filter (change)

Fuel and air

Factory

Factory: Recommended work 9.3 (pp.35-36): every 100 operating hours. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

3 items

Hydraulic clutch fluid (change)

Primary and gearbox

Factory

Factory: Recommended work 9.3 (pp.35-36): marked every 12 months and every 48 months. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.
Steering head bearing (lubricate)

Front end

Factory

Factory: Recommended work 9.3 (pp.35-36): marked every 12 months and every 48 months. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.
Brake fluid, front and rear (change)

Brakes

Factory

Factory: Recommended work 9.3 (pp.35-36): marked every 12 months and every 48 months. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.

Every 2 years

5 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Replace hydraulic clutch fluid

Primary and gearbox

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

4 items

Coolant (change)

Engine

Factory

Factory: Recommended work 9.3 (pp.35-36): every 48 months. Recommended-work columns: after 10 and after 20 operating hours (one-time), every 50 and every 100 operating hours, every 12 months, every 48 months.
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.