Wiseco
Wiseco Piston Kit Yamaha YZ490 J/K '82-83 3445TD
Part number: W478M08750
€207.72
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
- 87.00 mm
- Bore - Actual
- 87.50 mm
- Bore - Oversize
- 0.50 mm
- Total Height
- 89.50 mm
- Piston Pin Hole Diameter
- 18.00 mm
- Compression Height
- 30.50 mm
- Ring Locating Pin (E)
- 16.50 mm
- Ring Locating Pin (F)
- 16.50 mm
- Boss Spacing
- 33.80 mm
- Piston Head Type
- Dome
- Skirt Coating
- -
- Additional Info
- Reed Cut-Out, Forged Piston
- OEM Reference No
- 5X6-11631-01-93
- Country of Origin
- USA
- GTIN
- 00193564133489
- Piston Ring Part #
- W3445TD
- Piston Pin Part #
- WS277
- Circlip Part #
- WCW18
- Package Height
- 107,95 mm
- Package Length
- 124,46 mm
- Package Weight
- 408.23 g
- Package Width
- 124,46 mm