piston?

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Jan 26, 2007 | 12:03 AM

baseballx16x

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Weekend Warrior

Joined: Jan 2007

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piston?

if i put a 13:1 piston on my 05 450r can i put premium gas or does it have to be higher?

Jan 26, 2007 | 01:57 AM

cynick

Elite Pro Rider

Joined: Dec 2005

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piston?

Usually anything beyond 11.5:1 needs higher than 91 octane, you might try 50/50 mix of race gas and 91. Should help the bike run better, I put a 12.5:1 in my DS and am running 50/50 with good results.

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