Engine lock up.

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Kramer
New kid on the block
New kid on the block
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Posts: 37
Joined: 14 Apr 2010, 19:38
Re: Engine lock up.

Post by Kramer » 20 Aug 2020, 18:02

Finally found out the cause for the lock up.

Noticed that the crank would lock slightly at a certain position when turned by hand so stripped the whole thing down.

About a third of the alternator side main bearing cage was missing! Can only assume it broke off and was lying dormant at the bottom of the crankcase till the bike did a 180 and gravity did the rest and sucked it into the engine.

Crankcase is a right mess but it ran fine afterwards so not too worried there. https://imgur.com/a/bm5SOE3

can't get a piston anywhere tho unless i go for a re-plate so watch out you lot if you have a AR.


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