Loose Breather Bolts
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Road Master
Joined: May 2006
Posts: 1,229
Likes: 20
From: Greater St Louis, MO
Loose Breather Bolts
I had some oil on the SE air cleaner backing plate and figured it was an o-ring or something. When I pulled the plate I noticed both bolts were loose and there was only half an o-ring at the front cylinder head.
Then I noticed the threads in the front cylinder head were gone. I assume it was from the bolt vibrating and wollowing out the threads. I had to put in a helicoil.
Moral of the story is to check your breather bolts if you have any seepage on your backing plate.
Then I noticed the threads in the front cylinder head were gone. I assume it was from the bolt vibrating and wollowing out the threads. I had to put in a helicoil.
Moral of the story is to check your breather bolts if you have any seepage on your backing plate.
Cruiser
Joined: Mar 2010
Posts: 156
Likes: 0
From: Squamish, BC, Canada
Interesting situation. Your advice is good but could be expanded to say "keep an eye on ALL the bolts on your bike". They do seem to come loose if not properly tightened in the first place, and even then sometime they come loose.
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Road Master
Joined: May 2006
Posts: 1,229
Likes: 20
From: Greater St Louis, MO
My old shovel used to have something vibrate loose or fall off on any long trip. Now I use torque wrenches.
Cruiser
Joined: Jul 2009
Posts: 209
Likes: 0
From: Whittier, Ca
Just did the air cleaner before the fluid changes, and when I pulled off the cover, 2 of the 3 screws holding the filter on fell out and were between the filter and cover. I have had oil coming out of the air cleaner after I noticed oil spots on the rear cylinder exhaust cover. I remember when I put the new filter on I did not put blue locktight on the screws.... we'll see if that helps.
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Road Master
Joined: May 2006
Posts: 1,229
Likes: 20
From: Greater St Louis, MO
Thought I did, as that is SOP here, but can't say for sure since it was 4.5 years ago when I installed them.
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xnysgt
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Dec 17, 2018 01:50 PM
