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OTR Piston XT-660 R/X/Z
Racing Forging Piston, lighter than the original and of much higher value! The piston is milled from the whole with premium procession. We use a bore with a size up to 5 mm wider than the original. The compression ratio is lifted to 11:1 (stock 10:1). Instead of 659 ccm now up to 727 ccm are available for the combustion of the mixture. The results are convincing: In the lower and middle speed range the compression is greater and the single cylinder engine grips nearly up to the nominal rotation speed. Up to 7hp more are now avaiable!
- Piston with 100, 102, 104 mm avaiable
- 105 mm on request
- 660, 686, 714 or 727 ccm
- More power over the whole range
- Cylinder boring and coating necessary (100mm only honing)
- machine milled piston
- fitting head gasket sold separately
- Sold with pistonrings, clips and bolt
Product 5 / 26
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