SRX chaincase blowout...please help!!

rangermike14

rangermike14

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Joined
Jan 6, 2012
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Age
40
Location
Byron Center, Michigan
So I was riding this weekend and when we stopped for a break there was oil coming out my belly pan. I open the hood to find that the bolt that holds the lower sprocket on had backed out and blew through the side of the chaincase cover. I got it all jb welded and working to get it back to the cabin we were staying at but now need to fix it the right way. I have a few questions for you guys. The sprocket seems to be in the correct spot because its lined up with the chain and top sprocket but....the only thing that holds the sprocket on is the bolt and one big washer. It seems that the sprocket and shaft don't end at the same place. The washer tightens up on the sprocket but doesn't bottom out on anything. Am I missing something? A spacer or some other part? Does the sprocket slide on and all I need is the bolt and washer? Seems like it will back itself out again. Please inform!!!! Anyone have a picture of theres? Thanks alot guys, Mike
 

There was a recent thread debating to use blue versus red loctite on the top bolt, I imagine it would be a good idea for some on the bottom bolt as well. As far as I can remember seems it was just a the washer as you describe......based solely on memory.
 
So does the shaft end like a half inch before the sprocket? The shaft sits in about a half inch on mine. I will take a picture in a little bit and post it. I have to go out there are rip it back apart.
 
Yes, there is a space between the outer surface of the sprocket and the end of the shaft. On every chaincase I have worked on I have found the washer was deformed in towards the shaft. I made washers that are 50% thicker for my sleds. They resist deforming when torquing the bolt to the factory spec.. Definitely use blue loctite on the threads of the bolt but make sure the bolt and threads in the shaft are oil-free. If the threads have oil on them, the loctite is worthless. Clean teh parts with a solvent such as carb or brake cleaner. Using the loctite and torquing the bolt to the factory specs are all you need to hold the sprocket on.
 
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