
§ 01 / Part
09100373 PISTON KIT
incl. VAT
Usually dispatched within 3 working days.
Authorised stockist
WISECO
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§ 02 / About this part
What it is
The WISECO PISTON KIT, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.
Wiseco's forged option for the 450F class: YZ 450 F, WR 450 F and the Gas Gas EC 450 F. A modern 450 four-stroke runs high compression and short piston life by design, so this is scheduled maintenance, not a distress purchase. The forged crown resists detonation damage when the engine runs lean and hot. Piston, rings, wrist pin and circlips included. Verify bore size and plating condition first, set the end gap, and log the hours so the next one goes in on time.
§ 03 / Specs
The numbers
- Brand
- WISECO
- Part number
- 09100373
- Weight
- 0.41 kg
- VAT
- 20%
// Fitment
Will it fit your bike?
Fits 3 models · 3 year-bands
Gas Gas 1 model
Yamaha 2 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
// WISECO
