Posted by Tug Boat Lonnie on Monday, August 11, 2003 at 1:56PM :
In Reply to: Hissing Noise? posted by Hal on Monday, August 11, 2003 at 12:50PM :
I had something similar on Bear. It turned out to be a rotted rubber cap was allowing a big time vaccum leak. Look at the carb and all the hoses attached to it for any leaks.
Is your engine running rough at idle or stalling?
Best Wishes
Lonnie
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