Forging Piston 58.5mm High Compression Piston 814cc
*In order to install this product, it is necessary to have the stock cylinder bored by SP Takegawa or an internal-combustion-engineer. *Fuel is high-octane gasoline. *There may be changes in product specifications due to the manufacturer's reasons.
*Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change.
This is a big bore piston kit for the W800. By modifying the stock cylinder and increasing the bore diameter to Φ79, the displacement can be increased to 814cc. The pistons are forged for high compression, and the stock pistons are 8.4: 1 to 10.5: 1, which improves the output and realizes torque-rich riding. The cylinder head gasket is made of a special material to improve sealing and heat resistance. The W800 is an injected bike, but you can use it with the stock ECU.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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