Athena Big Bore Kit (290cc) Compatible with 08-13 Yamaha YZ250F
Product ID: 99495068
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€ 1244.99
1
Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO
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Description
- Athena offers a wide range of cylinder kits for scooters and motorcycles with diameters and portings completely re-designed as original spare parts and / or specific boost to be used on tracks.
- In particular, racing kits consist of lighter pistons with a flat head, special portings, exhaust bridge, and a new cylinder head designed to increase the compression ratio and improve internal combustion.
- For some models Athena also supplies special long stroke racing kits complete with crankshafts and reinforced connecting rods.
- The Athena Big Bore kit is the missing source for increasing your motorcycles raw power.
- The included cylinder is constructed out of aluminum with a nickel-carbide coating to increase durability.
- ›See more product details
The water jets have been widened for a higher flow rate, keeping the cylinder cool. Athena built a reliable cast piston that has been molybdenum-coated for high performance use and extended wear life. Includes a specially designed gasket kit to accommodat
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