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§ 01 / Part
CYLINDER WORKS
09310345 CYLINDER STD BORE KIT
Fits Yamaha YZ 450 F
RRP
£714.42
Save 15%
£607.26
incl. VAT
In stock — delivered in 6–10 working days
Dispatched in 2–3 working days · delivered in 6–10.
Part #: 09310345
Authorised stockist
CYLINDER WORKS
14-day returns
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§ 02 / About this part
What it is
The CYLINDER WORKS CYLINDER STD BORE KIT, top end. Stocked by Iron Offroad, the UK MX hard parts specialist.
§ 03 / Specs
The numbers
- Brand
- CYLINDER WORKS
- Part number
- 09310345
- Category
- Top End
- Weight
- 2.09 kg
- OEM cross-refs
- 33D-11181-00-00, 33D-11311-00-00, 33D-11351-00-00, 33D-11603-00-00, 33D-11631-00-00, 33D-11633-00-00, 93450-19052-00
- VAT
- 20%
// Fitment
Will it fit your bike?
Fits 1 model · 1 year-band
* 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
Iron Offroad is the off-road sibling of Iron City and Iron Stable — a UK shop for motocross, enduro, and trail-bike hard parts. Every fitment lives on the site, listed against KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is the data: fully enriched fitment so you find the right part for your bike quickly and get it fitted accurately. Brands you'd find on a paddock workbench — pads, sprockets, plastics, fork seals, cables, gaskets, bars, the things that actually wear out. Road-bike kit, scooter parts, and quad gear sit elsewhere; dirt and e-moto only. We operate from our storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. The business has a rich motorcycle history across multiple moto brands — the photos show where we came from — and recently pivoted into hard parts and online retail.
// Related
