Wiseco
Wiseco Piston Kit YZ400F '98-99 + WR400F'98-00 13.5:1 3701XR
Part number: W4650M09400
€232.19
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
- 92.00 mm
- Bore - Actual
- 94.00 mm
- Bore - Oversize
- 2.00 mm
- Compression Ratio - Actual
- 13.5:1
- Compression Ratio - Over Stock
- +1.0
- Total Height
- 42.00 mm
- Piston Pin Hole Diameter
- 18.00 mm
- Compression Height
- 15.00 mm
- Boss Spacing
- 20.70 mm
- Piston Head Type
- Flat with raised top
- Skirt Coating
- -
- Additional Info
- 5 Valve Pockets, Forged Piston
- OEM Reference No
- 5BE-11631-01-A0
- Country of Origin
- USA
- GTIN
- 00193564140012
- Piston Ring Part #
- W3701XR
- Piston Pin Part #
- WS560
- Circlip Part #
- WCW18
- Package Height
- 107,95 mm
- Package Length
- 124,46 mm
- Package Weight
- 317.52 g
- Package Width
- 124,46 mm
- Build Type
- Build on Demand