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Discussion Starter · #1 ·
was wondering if anyone could poss help with my 68 olympic. sled starts great, runs great for approx 30 -40 min, then sled will not idle , and will not start until engine cools, off or approx 15 min after engine quits....

please help

thankyou
 

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Looks like vapor lock,meaning that carb becomes warm and the gas is "boiling" in the carb.Do you run in warm weather,like 25-30* F?
 

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Discussion Starter · #3 ·
HiOctane said:
Looks like vapor lock,meaning that carb becomes warm and the gas is "boiling" in the carb.Do you run in warm weather,like 25-30* F?
[snapback]733566[/snapback]​
yes, live in michigan temps can range from 10 -30 F
 

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Cam Howie said:
HiOctane said:
Looks like vapor lock,meaning that carb becomes warm and the gas is "boiling" in the carb.Do you run in warm weather,like 25-30* F?
[snapback]733566[/snapback]​
yes, live in michigan temps can range from 10 -30 F
[snapback]733573[/snapback]​
Which model is it?You can try something to check if its vapor lock.Lets say after 15 min of running,put snow over the carb to cool it and cobtinue to run ,when the snow is melted ,add some more.You ll get the answer if its vapor locking or else.
 

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Discussion Starter · #5 ·
HiOctane said:
Cam Howie said:
HiOctane said:
Looks like vapor lock,meaning that carb becomes warm and the gas is "boiling" in the carb.Do you run in warm weather,like 25-30* F?
[snapback]733566[/snapback]​
yes, live in michigan temps can range from 10 -30 F
[snapback]733573[/snapback]​
Which model is it?You can try something to check if its vapor lock.Lets say after 15 min of running,put snow over the carb to cool it and cobtinue to run ,when the snow is melted ,add some more.You ll get the answer if its vapor locking or else.
[snapback]734078[/snapback]​
1968 super olympic 299cc one lunger....
 
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