1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 47Get this manual

1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 47

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CARBURETOR TUNING 2E302

IEJ Throttle opening+

CAUTION:
If the intake silencer is removed from the carburetors, the change in pressure in the intake will create lean mix