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Rode for about 5 min and was just warming up clutching up sitdowns and foot in the hole. Went to clutch up from a stop and Pop that chain snaps i pull clutch and shut off bike go to my truck walk back and there a puddle of oil and antifreeze. just got home and took sprocket cover off and this is what i found. The chain hit the bottom of overflow tank and ripped tab off so tht explains the antifreeze. I have to replace the whole motor right?
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Can't tell from the pics if it broke the motor bad enough to have to replace it.
If you just broke the part that holds the gear cover on you may just need a new chain.
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if it didn't bust a huge hole in it you could possibly have it welded or use JBweld. buddy did it to 2 R6 engines. Jbwelded them both and they never leaked after so it works. Theres not much pressure inside the crankcase so itll be fine.
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Cracked the engine case in a spot where jb weld or aluminum welding wont work. Need new motor
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that sucks man. how does a chain snap. is it 520? did you have a staked master link?
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Post the pics were the crack is ...