what is normal PSI on 1999 fuel injected yamaha ?

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what is normal PSI on 1999 fuel injected yamaha ?

02-21-2008, 09:16 PM

gofastsandman gofastsandman is offline

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Re: what is normal PSI on 1999 fuel injected yama

I think Art at BRP tech said production motors were 90- 130 for my 96 150. What you want is even comp.< 5% low to high all plugs out + motor cold. Others here can be of more help.

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