Clutch side engine cover leak?
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Thread: Clutch side engine cover leak?

  1. #1
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    Default Clutch side engine cover leak?

    I'm talking about the chrome cover right behind the derby cover. What is the proper way to remove it because I know it will leak? I've already removed all the bolts, but haven't pulled it off yet to see what it's going on. I have a pan under it to catch the drip. I'm assuming it is the seal or gasket because it is leaking right at the seam. If it is not the seal what else could it be? The bike rides and shifts fine. There is no leak underneath or at the drive shaft, just at the front. The runs perfect imo and starts up on first attempt every time, I'm just trying to address this leak. I see the used part on ebay, but I need to look at the condition of seal that's leaking first. The leak is kinda bad after the bike is hot, but when it cools down and sits for a while I get maybe 2-3 drops. One of the long bolts at the top had oil all over it. The rest of the bolts were bone dry. Any suggestions?

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  3. #2
    Active Member shrk352's Avatar
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    Sound's like you just need a new gasket. They are paper gaskets so you will need to scrape all of the old gasket off both sides before you install the new one. Get parts #9 and 13 from this page http://www.cyclepartsnation.com/oemp...rankcase-cover 13 is a little gasket, should probably replace it to be safe. Some of the bolts go all the way through into the case so that could be while you have oil on it. Drain your oil before taking the cover off. Also the stator is under there, which is magnetic, so you may feel it try to pull the cover back into place or to one side when you take it off, thats normal.

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    What about part no. 2? Could it also be bad?

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    Active Member shrk352's Avatar
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    When you say "clutch side engine cover", are you talking about the left side of the bike, the side the clutch lever is on? Or the right side of the bike, exhaust side, the side the actual clutch is on? The clutch cover #1 is on the exhaust side. The #2 gasket in the picture is for the cover over the clutch, behind the exhaust. If you are leaking from the left side you'll need #9.

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    Very Active Member TRod's Avatar
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    Quote Originally Posted by shrk352 View Post
    When you say "clutch side engine cover", are you talking about the left side of the bike, the side the clutch lever is on? Or the right side of the bike, exhaust side, the side the actual clutch is on? The clutch cover #1 is on the exhaust side. The #2 gasket in the picture is for the cover over the clutch, behind the exhaust. If you are leaking from the left side you'll need #9.
    He says behind the derby cover which is the left side. He also refers to the driveshaft, also on the left.

    I think he means stator side.

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    This is the part that I removed all the bolts from, but still haven't removed it yet. I'm I'm pretty sure it is #9. I'll drain the oil and get back with you.

    http://www.ebay.com/itm/201928179779

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    Very Active Member TRod's Avatar
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    Quote Originally Posted by jdirving View Post
    This is the part that I removed all the bolts from, but still haven't removed it yet. I'm I'm pretty sure it is #9. I'll drain the oil and get back with you.

    http://www.ebay.com/itm/201928179779
    Maybe it would have been easiest to say right side. You really don't need to drain the oil if you have it on the sidestand. You won't lose but a few drops of oil when you take the cover off.

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    I'm sorry, I meant this part.

    http://www.ebay.de/itm/260805775814

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    Very Active Member TRod's Avatar
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    Quote Originally Posted by jdirving View Post
    I'm sorry, I meant this part.

    http://www.ebay.de/itm/260805775814
    Well, then, that would be the left or stator side.

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    So this is what I'm looking at. The gasket has a few rips and one part is missing around the outer part of one of the bolt holes is missing. Let me know if you see any other problems from the pics. I'm just waiting on parts now. When I removed it I did even see that part #13.
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    Last edited by jdirving; 05-18-2017 at 08:11 PM.

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    Here's another rip.
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  14. #12
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    Quote Originally Posted by jdirving View Post
    So this is what I'm looking at. The gasket has a few rips and one part is missing around the outer part of one of the bolt holes is missing. Let me know if you see any other problems from the pics. I'm just waiting on parts now. When I removed it I did even see that part #13.
    Some people don't even know why #13 is there and they don't put it back. It's there because that bolt intersects an oil passage.

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    I finished putting it back together, but it didn't work. It seems a little worse than before. It's dripping a little faster from the same spot. I know exactly where the leak is. I'm going to have to take it apart again and try some silicone gasket sealer. The leak is around one bolt at the bottom of the stator cover. I guess the seal around the bolt hole isn't thick enough?

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