Wiseco
Wiseco Piston Kit Yamaha TT-R250 '99-06 Dome 73.00mm 2874XC
Part number: W4689M07300
€169.43
Sales price · excluding VAT and shipping
1 available from supplierCatalogue updated: 6 Nov 2026, 08:59
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
- 73.00 mm
- Piston Size
- 72.95 mm
- Compression Ratio - Actual
- 10.5:1
- Compression Ratio - Over Stock
- +0.2
- Total Height
- 48.70 mm
- Piston Pin Hole Diameter
- 18.00 mm
- Compression Height
- 14.50 mm
- Boss Spacing
- 26.50 mm
- Piston Head Type
- Flat with raised top
- Skirt Coating
- -
- Additional Info
- 4 Valve Pockets, Forged Piston
- OEM Reference No
- 4GY-11631-00-C0
- Country of Origin
- USA
- GTIN
- 00193564140135
- Piston Ring Part #
- W2874XC
- Piston Pin Part #
- WS524
- Circlip Part #
- WCW18
- Package Height
- 101,60 mm
- Package Length
- 88,90 mm
- Package Weight
- 272.16 g
- Package Width
- 88,90 mm