The problem I am having is free reving. At least that is what Im told its called. My 94 Blaster is mostly modified to a "limited". OK, this is where Im getting confused, four different people told me four different possible solutions. One guy told me that a piston ring was stuck, so just richen the carb and go for it. The second guy said that I may have a bad crank seal. The third told me I had a bad CDI unit. The last guy said that the crank/flywheel keyway was sheared off. So who has the right answer? Is there a way for me to check myself?
The second guy is the one with the correct answer. I assume your free revving occurs when your Blaster is out of the water. There for an air leak of some kind is evident. You need to take care of this right away. Severe air leaks cause a lean condition, throughout the engine. This problem will lead to a top-end seizure. You need to have a mechanic do a pressure test on your engine. You can also look in the flywheel cover for oil seal leakage. If it is leaking you need to get a seal kit.
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