Wiseco
Wiseco Piston Kit YZ450F '03-09 + WR450F '03-15 12.5:1
Part number: W4785M09500
€205.00
Sales price · excluding VAT and shipping
5 available from supplierCatalogue updated: 6 Nov 2026, 08:28
Supplier stock; quantities are not reserved.Supplier stock is separate from stock physically held at Nick's Garage. Delivery to Cyprus and the final quotation are confirmed before ordering.
Technical specifications
- Bore - Standard
- 95.00 mm
- Piston Size
- 94.94 mm
- Compression Ratio - Actual
- 12.5:1
- Total Height
- 40.25 mm
- Piston Pin Hole Diameter
- 18.00 mm
- Compression Height
- 14.40 mm
- Boss Spacing
- 19.50 mm
- Piston Head Type
- Hollow
- Skirt Coating
- Armorglide Coating
- Additional Info
- 5 Valve Pockets, Forged Piston
- OEM Reference No
- 5TJ-11631-00
- Country of Origin
- USA
- GTIN
- 00193564140562
- Piston Ring Part #
- W3741XS
- Piston Pin Part #
- WS600
- Circlip Part #
- WCW18
- Package Height
- 107,95 mm
- Package Length
- 124,46 mm
- Package Weight
- 362.87 g
- Package Width
- 124,46 mm