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1996 johnson v 6

F

fire46

New member
"Every time I crank my motor a

"Every time I crank my motor after it has set up a week or so it smokes real bad, but clear up after running for about five mintues, what could be the cause"
 
"See below, be sure to use the

"See below, be sure to use the Blue One, Your motor is running rich might be something you want to keep an eye on however STA-BIL will resolve the excessive smoke
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"Could be a couple of things

"Could be a couple of things
(1) the oil is syphoning into the fuel line at the vro I have seen this happen if the vro oil tank is mounted high

(2) Once you have turned the motor off there is unburnt fuel\oil mix laying in the crankcase and transfers when you lay up the motor the petrol evaperates and leaves the oil, next time you start the engine it gets a belly fuel of fresh fuel\oil and washes the left over oil into the combustion chambers making for a very smokey engine until it clears."
 
Adding to what Jamie says ther

Adding to what Jamie says there is also the possibility of a sticking float needle. Once the engine is shut down the carb(s) will continue to drip fuel until the fuel pressure drops. Leaving you with excess unburnt fuel in the crankcase. See above.
 
"I have a 93, and it does the

"I have a 93, and it does the same thing sometimes. I'd rather have it do that then no smoke!"
 
"a slight pressurized oil tank

"a slight pressurized oil tank,due to clogged vent can do this,..an easy solution,if the tank is in a protected location,or in a batt box,is to drill a 1/8 inch hole in cap...."
 
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