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Starts But Dies Quickly

This situation is almost always related to a fuel system problem as discussed below.

Common Causes:

Check for water in the fuel tank, hoses and fuel bowl on the carb. If water is found, be sure to check your fuel can as well!

Check for a major air leak from around the intake or carb mounting area. If the carb is equipped with a built in primer bulb, check it closely for any major air leakage.

If this problem occurs only during cold starts, you may also have a situation where the choke or primer is not working properly.

Finally, don't forget to check the fuel cap to make sure it's venting properly. A cap that doesn't vent properly, will not allow fuel to flow from the tank to the carb.