

Wiseco
Wiseco Piston Kit Yamaha YZ125N '85 2284CS
Part number: W521M05800
€156.13
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
- 56.00 mm
- Bore - Actual
- 58.00 mm
- Bore - Oversize
- 2.00 mm
- Total Height
- 57.50 mm
- Piston Pin Hole Diameter
- 16.00 mm
- Compression Height
- 22.90 mm
- Ring Locating Pin (E)
- 15.00 mm
- Ring Locating Pin (F)
- - mm
- Boss Spacing
- 19.90 mm
- Piston Head Type
- Dome
- Skirt Coating
- -
- Additional Info
- Reed Cut-Out, Forged Piston
- Remark 1
- Power Valve must be modified for 57 mm. and larger bores !
- OEM Reference No
- 55Y-11631-00-94
- Country of Origin
- USA
- GTIN
- 00193564134073
- Piston Ring Part #
- W2284CS
- Piston Pin Part #
- WS270
- Circlip Part #
- WCW16
- Package Height
- 82,55 mm
- Package Length
- 76,20 mm
- Package Weight
- 226.80 g
- Package Width
- 76,20 mm