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JE
JE-Pistons Single Yamaha YZ/WR250F '05-13 13:1 79mm
Part number: JE-247939S
€290.26
Sales price · excluding VAT and shipping
Not currently in supplier stockCatalogue updated: 6 Nov 2026, 08:24
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
- 77.00 mm
- Bore - Actual
- 79.00 mm
- Bore - Oversize
- 2.00 mm
- Compression Ratio - Actual
- 13.0:1
- Compression Ratio - Over Stock
- +0.5
- Piston Pin Hole Diameter
- 16.00 mm
- Compression Height
- 14.30 mm
- Piston Head Type
- Flat with raised top
- Skirt Coating
- -
- Additional Info
- 5 Valve Pockets, Forged Piston
- OEM Reference No
- 5XC-11631-00
- Country of Origin
- USA
- GTIN
- 00193564220615
- Piston Ring Part #
- JE-JC3401-3110
- Piston Pin Part #
- JE-630-1650-12-93C
- Circlip Part #
- JE-630-050-MW
- Build Type
- Build on Demand