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Old 15 June 2007, 06:37   #11
Country: USA
Town: boston
Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
a guess is worth what it cost, all Stock Yamaha's are like that, no theory's, actual compression, test it for your self.

takes about a thousand feet to get a change in atmosphere psi, the compresion
ratio dose not change, just air to fuel.

fast fred is offline   Reply With Quote

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