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[QUOTE="Gazza2005au, post: 902965, member: 60204"] 24:1 is to much oil being ran through your motor it will make the motor run rich and it will run hotter than normal this could be the possable cause for the melted piston also known problems with melted piston are a big gush of air and lacking fuel in the top end will melt the piston this is how i fryed my piston on my jetski it could also be a blocked carby your bottom end bearings might have been ok but have some melted piston stopping them from moving (you hope this is the only problem) from what u have told us it'll need a new main ball,rod,top end when a piston melts your probably ok with the sleve but it'll need a bore and hone to clean the rubbish off the sides if u want to find the cause of this pill the carby down if u find any fuel in the lines or carby pour it into a clear cup or bottle even the fuel thats in the tank once its in a clear bottle or cup take a very close look you are looking for clear jelly looking liquid ifu find some i gurantee this is the problem if not check the jets something blocked your fuel causing this problem (if the guy u bought the bike from told u to run the bike @ 24:1 this is only for the running in process stick to 32:1 after run in) [/QUOTE]
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MX, SX & Off-Road Discussions
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RM problems
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