teardown\inspection advice needed

[wanna ride]

I'm going tobe pulling the topend off an 89 eg with 144000km on the motor, Rear cylinder is leaking. I know there's nothing special about removing top end but can I get some input for inspecting and what to look for with regards to the heads cyinders etc? If the connecting rods feel snug on the crank with up down and sideways pressure should I split the casings? There is alot of km on the motor I know and its quite possible other than normal maintenance that this motor has never been touched by the previous owners.
Seems previous owner tried to stop rear base gasket leak with epoxy. :dgust:

[RKJohn]

If bottem end feels good, plan on doing pistons,cylinder and heads rebuild. New lifters and inspect cam and pinion gear.
Ride on another 144k
John

[wanna ride]

Good points John, question is is the bottom end pretty much bullet proof or how can I tell if I should split the casings or not?

[wanna ride]

Good input, got home today after 500 mile tripand unbelievable how well the bike ran, it sure gave no indication that motor needed to be torn down other than an oil leak that seemed to be coming from the cam cover lower area, the clutch side was dry and I had been expecting to be leaking from shifter shafter and inner seal. From the car lot the saleguy gave me the phone number of the previous owner and I called him up, he claims the stator and regular were replaced on the bike which could be why no leaks on clutch side. Speaking of clutch something weird was going on in first gear take off and only seemed to happen when bike was not really warmed up like 20 minutes of riding done, when I'd disengage the clutch rather quickly it would cause bike to learch and make a really bad squeeling sound but after I rode it for a while it seemed fine, then I went out again to niteand it did the same until after it was fully warmed up. Any ideas on this?The preowner did say he had replaced the clutch with entire newsetup, he said something about this one not having rivets.
Oh ya I rode back to hotel we were staying at and next morning ( this morning ) blew speedo cable first thing so had to go on tack. :hyst:

[Beemervet]

You won't have another 144K . A fresh top end will accelerate the wear on the bottom. Pay 'em now or pay 'em later.

[wanna ride]

This is a pic of the clutch in the bike, can anyone identify it so I know what I'm dealing with for adjusting?

[baggersport]

Clutch looks like '90 up style....certainly not the stock '89.







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