Help in identifying oil leak - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 27 (permalink) Old 09-02-2014, 11:43 PM Thread Starter
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Help in identifying oil leak

I have this weird oil leak that seems to be coming out of a bottom bolt in the right crankcase cover right behind the rear brake reservoir. The oil seems to be dripping down to the underside of the bike and getting oil everywhere. There is a bracket attached to that bolt that you can see clean oil accumulating on the tip.

I also followed those rubber hoses to see if oil can be using them to travel from different parts of the motor but only a few inch section was oily which was closest to the leak.

Does anyone know if I should just put some kind of thread lock on it or should I change the whole crank case gasket?
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Last edited by roblox84; 09-02-2014 at 11:50 PM.
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post #2 of 27 (permalink) Old 09-03-2014, 05:32 AM
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When did this leak appear? Did it appear after an oil change? The cover just above the bolt is the oil filter access cover. If the o rings weren't change at the last filter change, one of them may have failed. I would pull the cover off and change the o rings on the filter cover. Quick and cheap fix.

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post #3 of 27 (permalink) Old 09-03-2014, 10:29 AM Thread Starter
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When did this leak appear? Did it appear after an oil change? The cover just above the bolt is the oil filter access cover. If the o rings weren't change at the last filter change, one of them may have failed. I would pull the cover off and change the o rings on the filter cover. Quick and cheap fix.
Oil was changed last month. It is possible that the shop didn't change the o rings because if I had to guess, the leak appeared around that time by the amount of oil spots on the garage. I'm just debating if I should take it to the shop to have them fix it or just do it myself.
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post #4 of 27 (permalink) Old 09-03-2014, 12:05 PM
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it's been a month so I would just go there buy the o rings, tell them about it and change them out myself. Who knows, they might even do it for free . You do realize that to get to the cover the front pipe has to come off. but you wont need to drop the oil. leave the bike on the stand and you shouldn't loose anymore than a few table spoons of oil if that. Bet you dimes to dollars that the leak will disappear.

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post #5 of 27 (permalink) Old 09-03-2014, 12:59 PM Thread Starter
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Called the shop and they said there's two o rings that go in there right?
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post #6 of 27 (permalink) Old 09-04-2014, 03:25 PM
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That's right, two for the cover. PN 93210-54452-00 and 93210-56459-00

2009 Stratoliner S

A few things added and more stuff to follow


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post #7 of 27 (permalink) Old 09-04-2014, 09:30 PM Thread Starter
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I changed the o rings then I went for a ride and when I parked the bike in the garage I came out an hour later and noticed fresh oil spots on the ground. I'm kind of clueless now where this leak might be coming from. I cleaned everything again with degreaser and I'm going to leave the bike sit overnight and see what happens.
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post #8 of 27 (permalink) Old 09-04-2014, 09:49 PM
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Here's a thought. How is the rear brake fluid level? Just hoping for you that it's not the case gaskets.

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post #9 of 27 (permalink) Old 09-04-2014, 11:40 PM Thread Starter
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Here's a thought. How is the rear brake fluid level? Just hoping for you that it's not the case gaskets.
Just checked it and the level is good. So far no leaks but we'll see tomorrow after I run the engine a bit.
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post #10 of 27 (permalink) Old 09-05-2014, 05:34 AM
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i think your talking about the two orings that go around the oil cover but isn't there a small oring that goes around one of the bottom mounting screws.in your picture your focused right on it,
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