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Discussion Starter #1 (Edited)
anyone else have this problem ??

i got a .50 kawi HG and intake cam... and the highest ocatane i can get is 90 octane around here. unless i buy VP. the bike was tuned on 93 pump gas. anyone thing this is a dumb question. just thought of it and i dont feel like thinkng :lol: just thought i would see if anyone else is doing this
 

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90 octane is less than the min. recommended octane for a stock ZX10R. A few people have run 87, some have reported detonation (pinging), others have not. The 10R at stock is at 12.7:1 compression ratio. With your head gasket, you're probably a tick over 13:1. That's pretty high. I'd be careful.
 
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