Looking at up sizing my carbs and tuner on my 87 yamaha 40hp. I know 1994 and older motors throttle goes one direction and 1995 and newer go a different direction. Do i just need to make sure I get 1994 or older, or does the bowl shape matter also?
Looking at up sizing my carbs and tuner on my 87 yamaha 40hp. I know 1994 and older motors throttle goes one direction and 1995 and newer go a different direction. Do i just need to make sure I get 1994 or older, or does the bowl shape matter also?
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