Representative manufacturer images. Check the specification of this exact part number.
Wiseco
Wiseco Piston Kit Yamaha YFZ450 '04-13 5V Dish 11.4:1 3858XS
Part number: W4906M09800
€264.04
Sales price · excluding VAT and shipping
Not currently in supplier stockCatalogue updated: 6 Nov 2026, 08:21
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
- Bore - Actual
- 98.00 mm
- Bore - Oversize
- 3.00 mm
- Compression Ratio - Actual
- 11.4:1
- Total Height
- 42.10 mm
- Piston Pin Hole Diameter
- 20.00 mm
- Compression Height
- 15.00 mm
- Boss Spacing
- 21.50 mm
- Piston Head Type
- Flat with hollow top
- Skirt Coating
- Armorglide Coating
- Additional Info
- 5 Valve Pockets, Forged Piston
- OEM Reference No
- 5TG-11631-00-00
- Country of Origin
- USA
- GTIN
- 00193564126207
- Piston Ring Part #
- W3858XS
- Piston Pin Part #
- WS641
- Circlip Part #
- WCW20
- Package Height
- 107,95 mm
- Package Length
- 124,46 mm
- Package Weight
- 362.87 g
- Package Width
- 124,46 mm