Once when my buddy owned a KR with a type IV, it developed a slight
vibration (not nearly as harsh as yours) which was more noticeable at
certain RPMs. After tearing it down it turned out to be slightly worn wrist
pin bushes. After replacing them, it was good as new again. Just a thought.
Regards
D
Hi Netter's,
After pretty exhaustive investigation on the engine and mount, it appears we
rebuilt the engine just for practice. We couldn't find anything wrong. The
prop was never initially considered because it had recently been repaired,
refinished, and balanced. Once installed, it was the sm
Steve,check for broken vavle spring.Doesn't happen often but I had a
couple break on me.Sometimes hard to spot the first time.Tommy W.
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