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    Phazer engine specs for big-bore?

    To gain some additional horsepower and stay away from forced induction, I feel more cc's, hotter cam, exhaust, head work might be the ticket. I would like to know if anyone has had their engine apart and noticed if an overbore would be possible? Sleeve thickness and wall thickness between...
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    Does a turbo mess up fuel injection?

    I think I understand turbos and their theory fairly well. But, there are a few questions I have when it comes to installing a turbo on the new fuel injected Phazer. It has been mentioned that the Yamaha FI system is blind to A/F ratios because it only uses air temp & density for it...


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