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Increase power engine dies

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david_1980

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johnson 70 hp 1980ish the engi

johnson 70 hp 1980ish the engine runs fine starts good idles good drives most of time but some times when you accelerate after being ideling for a while the motor cuts out
 
"this prob has been improved u

"this prob has been improved upon ,by advancing ign timing(IDLE PICK-UP TIMING)..and adj throttle roller cam,to give more ign before opening carbs."
 
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