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GS1100e new engine noise has me rattled

  • Thread starter Thread starter Guest
  • Start date Start date
Well, I finally pulled down the top end and everything looks grand! Pistons spotless, tensioners both in good shape, cams/rockers ok. Odd thing of note, when I cracked the cam caps loose a few didn't feel as tight, tho they weren't broken, but they did break off on disassembly. One came out in one piece but was obviously failing, it bent off when I inspected it. I saw no evidence of cam movement or sideplay journals all looked great. Can't see that being the cause of the engine noise I was hearing, but not sure. I'm about to pull the engine and split cases, took the alt. cover off in prep, and tried to pull rotor using the proper screw on puller(yep it's been in my "quiver" for 30 yrs) and that damn rotor just won't pop off! Got it torqued down with a breaker bar, tapping on the puller bolt head, rapping on the rotor rivets to give a little diff shock treatment off center, nothing working. Put some heat on the hub, still won't come off. I don't want to beat on the puller bolt too hard, fearing it might harm crank roller bearings(are they roller or ball or both). Any suggestions on getting that rotor to pop off??? Gonna search and maybe post on that topic in another thread.
 
Two or three heat/cooling cycles and maybe a rattle gun on the puller center bolt should do it.

I had one like that way back, the puller was on it for 3 days before i heard it pop.
 
Thanks! NZ, eh??? South or North? Used to be buddies with a racer and M/C fanatic named Steve Harris back in the 70s. He came to the states and was a Yamaha service rep. for a time and we worked in shops in S. Cal. He was from Aukland, NZ.
 
Well, I never got that rotor off, but I did get the engine torn down. Turns out I have a bad inner main brng, rollers are disintegrating....gonna have to locate a new crank or get this one rebuilt So if you ever hear the kind of noise that I've been puzzling over, main brng can make that kind of cyclical rumbling noise.
 
Finally got my 1100e back running, sounds great! Thanks for all the input! Riding season is over, tho...sniff...
 
Congrats & thanks for the update, just wish it had been a little less trouble. Wondering if you found someone to repair your crank or did you just find a replacement.
 
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