I posted a snip from the GPASC website that stated that cases manufactured after 1998 could be affected by the plug's being pushed in too far. One netter pointed out that if Jerry bought this engine, between 15 and 20 years ago, then that should not apply to this engine. So, I had to find the receipt to get the date that the engine was delivered, and it was 10/17/1988 That was 17 years ago and 10 years before the date stated in the service bulletin.
Therefore, you might consider checking your engine case against this bulletin, even if it was manufactured before 1998. See N64KR at http://KRBuilder.org - Then click on the pics See you in Mt. Vernon - 2006 - KR Gathering There is a time for building and a time for FLYING and the time for building is OVER. Daniel R. Heath - Lexington, SC