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General Category >> Rubber Side Down! >> Oil leaking from left hand lower control mounting
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Message started by TensionGrenade on 05/05/22 at 21:22:29

Title: Oil leaking from left hand lower control mounting
Post by TensionGrenade on 05/05/22 at 21:22:29

Hey everyone I just noticed I'm leaking oil from a bolt that goes through the engine to the pegs on the otherside what do I do about it am I screwed?

Title: Re: Oil leaking from left hand lower control mount
Post by verslagen1 on 05/05/22 at 22:47:47

not unusual
tighten the bolt to 50 ft.lbs per the manual.

Title: Re: Oil leaking from left hand lower control mount
Post by TensionGrenade on 05/06/22 at 08:05:29

is this a specific quirk with the motor and is there a way to fix it?
on top of tightening the bolt.

Title: Re: Oil leaking from left hand lower control mount
Post by Gary_in_NJ on 05/06/22 at 08:38:20

Blue loctite. It needs to be used almost everywhere on the LS650.

Title: Re: Oil leaking from left hand lower control mount
Post by TensionGrenade on 05/06/22 at 16:30:57

Lock tite was a nice try and the leaking got worse after tightening it with a brand new tq wrench any ideas?

Title: Re: Oil leaking from left hand lower control mount
Post by justin_o_guy2 on 05/07/22 at 09:30:08

Well, you can look at the case and see if it's lined up.
You might try taking the time to actually explain what you are see and explain how you did everything. We can't actually SEE what is going on.
You are the first to report a negative result.

Title: Re: Oil leaking from left hand lower control mount
Post by TheSneeze on 05/07/22 at 10:18:42

Loctite will only work if the threads are clean and dry. Any oil residue will render Loctite useless.

Title: Re: Oil leaking from left hand lower control mount
Post by oldNslow on 05/07/22 at 10:46:10

That bolt is one of the bolts that holds the two crankcase halves together. There is no gasket at the joint, just a non hardening sealant applied when the engine is assembled. Tightening the bolt to spec usually will stop the leak. 14mm wrench on the head of the bolt and a 17mm on the nut. It's easier if you have a helper to hold the wrench on the bolt head but it's not impossible to do alone.

If the bolt has been really lose for a long time I suppose it's possible for the sealant to be missing or damaged in that spot but I'm not aware of a case where tightening the bolt properly didn't stop the leak.

Title: Re: Oil leaking from left hand lower control mount
Post by Dave on 05/07/22 at 18:27:39

There can be a lot of oil that builds up in the case and spacers.....it may take a few days or more for the oil to stop seeping out after you tighten the bolt.