Spare parts / Honda / GB350S / H'ness CB350

Retro ยท UK/IN/JP

Honda GB350S / H'ness CB350 spare parts

19 parts for the Honda GB350S / H'ness CB350: what wears, when to replace it, where to buy it and how to fit it.

350 ccChain driveDisc brakesPetrol

Drivetrain

Illustration
Chain and sprocket kit15,000-25,000 km (replace as a set)

Engine

Illustration
Clutch friction plates20,000-40,000 km
Illustration
Oil filter / strainerEvery 1-2 oil changes

Brakes

Illustration
Brake pads10,000-20,000 km (min 2 mm)
Illustration
Brake disc / rotorEvery 2-3 sets of pads or below min thickness

Ignition

Illustration
Spark plug8,000-12,000 km (iridium up to ~20,000)

Intake

Illustration
Air filter5,000-12,000 km (dusty roads sooner)

Fluids

Illustration
Engine oil3,000-5,000 km mineral, longer synthetic

Electrical

Illustration
12V battery2-4 years
Illustration
Headlight bulb / LED unitFailure
Illustration
Regulator rectifierFailure

Wheels

Illustration
Tyres and inner tubes10,000-25,000 km or 5 years age
Illustration
Wheel bearings20,000-40,000 km or play detected

Controls

Illustration
Brake and clutch leversCrash replacement
Illustration
Clutch cable1-2 years
Illustration
Throttle cable1-3 years

Body

Illustration
MirrorsCrash replacement

Suspension

Illustration
Front fork oil seals20,000-40,000 km or when leaking
Illustration
Rear shock absorber30,000-50,000 km or when leaking

Service schedule for the Honda GB350S / H'ness CB350

PartReplaceGuide
Chain and sprocket kit15,000-25,000 km (replace as a set)Replace the chain and sprockets
Brake pads10,000-20,000 km (min 2 mm)Check brake pad wear
Engine oil3,000-5,000 km mineral, longer syntheticChange the engine oil and clean the strainer
Tyres and inner tubes10,000-25,000 km or 5 years ageInspect tyres for wear and damage
Spark plug8,000-12,000 km (iridium up to ~20,000)Remove, check, gap and fit a spark plug
Air filter5,000-12,000 km (dusty roads sooner)Clean or replace the air filter
12V battery2-4 yearsTest and charge a 12 V battery
Clutch friction plates20,000-40,000 kmInspect and replace clutch plates and springs
Oil filter / strainerEvery 1-2 oil changesChange the engine oil and clean the strainer
Brake and clutch leversCrash replacementAdjust a drum brake
MirrorsCrash replacementTighten and adjust mirrors
Headlight bulb / LED unitFailureReplace a bulb
Front fork oil seals20,000-40,000 km or when leakingReplace fork oil and seals
Brake disc / rotorEvery 2-3 sets of pads or below min thicknessCheck a brake disc
Clutch cable1-2 yearsAdjust clutch lever free play
Throttle cable1-3 yearsAdjust throttle free play
Rear shock absorber30,000-50,000 km or when leakingCheck the rear shock absorbers
Wheel bearings20,000-40,000 km or play detectedCheck wheel bearings
Regulator rectifierFailureTest the regulator rectifier

Indicative intervals. The owner's manual for your model wins.