My engine has been surging, hunting, at idle since I bought it this spring. Mainly when the bike is hot. I played around with the pilot screw to no avail. I rebuilt the top end this spring as the last rebuild date was unknown. I just decided to live with the idle problem as it runs perfect other than at hot idle. It runs great, just revs up and down a little automatically. Well today my 14oz flywheel weight arrived so I decided to yank the left side apart while I was in there and replace the left crank seal, thinking maybe this is where the air leak might be. I was amazed to find over 1/2 of he thickness of the crank seal was out past where it should have been sitting. Like it was 1/2 to falling out. I was thinking the only thing keeping it from going further was the magneto backing plate that bolts over the seal.
Is this a known problem with the 1993 left crank seal? Any others had this same experience? Maybe it was just not installed properly. I am thinking that this might had lead to the hunting at idle. I live in an area where I can't ride it near my home so I never got the fully warm up the engine to test it. Next ride out I'll know for sure.
Is this a known problem with the 1993 left crank seal? Any others had this same experience? Maybe it was just not installed properly. I am thinking that this might had lead to the hunting at idle. I live in an area where I can't ride it near my home so I never got the fully warm up the engine to test it. Next ride out I'll know for sure.
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