Compression ratios

Black Panther/Street Moto, Baghira, Enduro, Mastiff, Skorpion Traveller and Tour.

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Compression ratios

Postby harold » Sun Sep 25, 2011 3:20 pm

Can someone tell me the stock compression ratio of the Baghira? I did a search, but couldn't find anything. Also, what is the highest ratio you can run on 93 octane pump gas? I have seen Wiseco 11:1 forged pistons, and also as low as 9.2:1. I thought I had read somewhere our engine was only around 8:1, but couldn't find it again.
Would a stage 1 cam affect your maximum pump gas CR? I was going to get the big bore cylinder kit, but with reading on the Raptor forum, most people say the power gains are from the higher CR, and only about 3 Hp from the larger bore. It seems a piston and stage 1 cam would make a noticable difference in power, still be reliable, and less work.
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Re: Compression ratios

Postby Bill Jurgenson » Tue Sep 27, 2011 11:51 am

9.3:1 for the stock engine.
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