Leo_jb
City boy
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Gorgeous bike, but how does it look upside down?
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Gorgeous bike, but how does it look upside down?
or in the back of a pickup or pulled on a boat trailer! 
Old, slow, and air cooled but always out front.

or in the back of a pickup or pulled on a boat trailer!
Team HONDA!Old, slow, and air cooled but always out front.
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Houston we have a problem.... (the 1 fucking thing I didn't do to this bike is crack the bottom end cases, Oh well I guess I am doing it now)
I don't think my cases had the bearing spin although I have yet to knock them out of there but the rollers and the cages took all of the brunt (and the rod big end cage as well). Anyhow the adventure continues....
Wow, tough crowd..

Thanks Leo!BTW, great write-up CJ. Too much talent for one man.
I don't remember any Hondas out in front of Dima and I during our ride out of PSF or during our day ride out of Mulege.
(Of course, CJ, Tom, and Leo weren't there....)
Bring it on! Pink slip race? Always wanted a KTM 690. 
I only counted 12 roller bearings in each case of your motor, while the "better" one has 12 on one side and 14 on the other. Did two bearings get digested in the bottom end or did you remove them already?
Dmitriy, that sucks BUT it really isnt that bad in the big scheme of things. I know you are more than up to the task of replacing the bearings and we are all here to help if needed. I dont see any case damage. They cant really go anywhere, must of have been eaten I assume.
Cant imagine each of those bearings being much more than $50 a piece. Rebuild your crank with fresh bearings while you are at it and you will have a good motor for another 10-15K. $200-300 at most plus your labor and time (I know alot of $$ for you or I), but still not horrible.
I assume your fresh piston and cylinder are unscathed? Make sure there are no debris in your oil ports. Not familiar with the KTM motors, but I assume there is an oil pump to be checked as well.
D never stirred......
I don't remember any Hondas out in front of Dima and I during our ride out of PSF or during our day ride out of Mulege.
(Of course, CJ, Tom, and Leo weren't there....)
Yep, unfortunately those bearings are like ~$80 each (still shopping around on that front). I 'think' the piston (skirt has a touch of rubbing) and jug survived though I may need a new pin and rings (they look ok so maybe just reused them too after measuring the gap?) There are 2 oil pumps and I'll have to check those out etc. etc... Current step is get the crank all done (need to get a tool to remove what is left of the old bearing races) so that needs to get sent out (need to make some calls on price and delivery times etc etc....) But yea lets hope around $300 covers it.
Meanwhile got the 'other' 640 ready to work on. It will also get complete and through combing at this point. Garage looks like an Austrian assembly line...
Find someone that has this tool:need to get a tool to remove what is left of the old bearing races
Minor details.....Bring it on! Pink slip race? Always wanted a KTM 690.
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The idea of me challenging you to a dirtbike race makes about as much sense as you challenging me to an eating contest.![]()

Three? Who else's bike died? My 1200 limped all the way back to UT, but it did require a new tire after 6 flats. Somehow, I miracled my way into finding a tire, but I am sworn to secrecy as to where it came from.
