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1992 yamaha 70 HP bogs and dies

T

t103

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"I have a 1992 yamaha 70 that

"I have a 1992 yamaha 70 that starts misses a little at idle it wil throttle up and plane the boat but after about half mile it begins to bog and sometimes dies, I can activate the choke when it begins to bog sometimes it will clear the problem sometimes not. Where do i begin?"
 
dissasemble and clean all 3 ca

dissasemble and clean all 3 carbs if you take air box off and run you can visually watch fuel dissapear in thoats hold hand over each carb when runnning and force fuel through carb may clean up and go. if no dissasemble carbs but first check compression
 
compression is 130-135 all thr

compression is 130-135 all three cylinders carbs taken apart and cleaned motor runs better than ever except for missing at idle good spark allthree new plugs what now
 
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