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Thread: Hyper 28 specifications
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Old 04-04-2008 | 09:41 PM
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downunder
 
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From: Adelaide, AUSTRALIA
Default RE: Hyper 28 specifications
I presume you mean the Mach 28, if so the bore is 17.4mm (.685" ) and stroke is 17mm (.670" ). Compression is 9.4:1 with the .08mm shim.
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