
§ 01 / Part
09260680 ENGINE VALVE EXHAUST STEEL
incl. VAT
Usually dispatched within 3 working days.
Authorised stockist
PROX
14-day returns
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Secure checkout
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§ 02 / About this part
What it is
The PROX ENGINE VALVE EXHAUST STEEL, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.
Steel construction offers a durable solution for the high-heat environment of your exhaust circuit. This part sits in the cylinder head and manages the exit of spent gases from the bore. Exhaust valves endure extreme thermal stress, which eventually leads to face erosion or stem stretch. Replacing these components during a top-end rebuild prevents catastrophic failure and restores engine efficiency. This fitment matches OEM cross-reference 1UY-12121-01. Steel provides a longer service life than titanium for heavy-duty use. Ensure the valve is correctly lapped into the seat to maintain a gas-tight seal.
§ 03 / Specs
The numbers
- Brand
- PROX
- Part number
- 09260680
- Weight
- 0.07 kg
- OEM cross-refs
- 1UY-12121-01
- VAT
- 20%
// Fitment
Will it fit your bike?
Fits 18 models · 18 year-bands
Yamaha 18 models
- YFM 350 A 2x4 2004
- YFM 350 BA 2x4 2005–2006
- YFM 350 FA 4X4 2004–2006
- YFM 350 FAH 4X4 2004–2006
- YFM 350 FG 4X4 2007–2013
- YFM 350 FGH 4X4 2008–2013
- YFM 350 FGI 4X4 2007–2011
- YFM 350 FGIH 4X4 2007–2011
- YFM 350 FWA 4X4 2004–2006
- YFM 350 FX 4X4 1995–2005
- YFM 350 FX MNH 4X4 1995–1997
- YFM 350 G 2x4 2007–2011
- YFM 350 R 2005–2013
- YFM 350 R SE 2005–2007
- YFM 350 R SE2 2007
- YFM 350 X 1987–2004
- YFM 350 X 2x4 2005–2008
- YFM 350 X MNH 1991–1997
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
// PROX
