Hawk 250 bent intake valve

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Originally Posted by Jerry03

Ok, finally got back to the Hawk. The exhaust valve retaining ring came off. The exhaust valve is staying open. Not sure why this would happen?

Sounds like poor assembly from the factory. Inspect the valve spring retainer keepers to make sure that they are fitting into the valve grooves. If the fit up is good, compress the spring, pop the retainers and keepers back in, and see what you've got.