
§ 01 / Part
09106137 PSTN KT YAM YZ450F STD A
incl. VAT
Usually dispatched within 3 working days.
Authorised stockist
WOSSNER
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§ 02 / About this part
What it is
The WOSSNER PSTN KT YAM YZ450F STD A, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.
This forged piston kit is the primary service item for your YZ450F top-end. It resides in the cylinder and converts combustion energy into mechanical stroke. Standard A sizing is the correct choice for bores that remain within factory tolerances. Regular replacement at the specified hour interval prevents piston fatigue and protects the cylinder lining. The kit includes the piston, rings, gudgeon pin, and circlips. Check the ring end gap before installation to ensure reliable operation. Orient the arrow on the crown toward the exhaust port. Clean all mating surfaces to ensure a perfect seal with new gaskets.
§ 03 / Specs
The numbers
- Brand
- WOSSNER
- Part number
- 09106137
- Weight
- 0.40 kg
- VAT
- 20%
// Fitment
Will it fit your bike?
Fits 3 models · 3 year-bands
Yamaha 3 models
No matches. Try a different make or model.
* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.
§ 05 / About Iron Offroad
Iron Offroad
// WOSSNER
