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Old 07-23-2019, 10:18 AM
shutchis shutchis is offline
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Left Side Cover Oil Leak

I'm working on an '82 XJ1100; I've got an oil leak coming from a cover on the left side the crankcase. This cover is forward of the starter motor cover. Question: Does anyone know the name of this forward cover or it's purpose.

Here's my problem; How do you remove this cover? It's stuck!!! The cover has three allen bolts. I've remove these bolts. I then reviewed the crankcase schematic. I see two o-rings on this cover sealing the crankcase. What's holding this cover; it won't slide out of the crankcase. I look forward to a response because I need help. Thanks.
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'80 XS1100LG Midnight Special
Looks like an '82 Maxim, Fuel Injected
'82 XJ1100J, Fuel Injected
Stan Hutchison
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  #2  
Old 07-23-2019, 01:04 PM
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dpotter58 dpotter58 is offline
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are you asking about one of the bearing housings?
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  #3  
Old 07-23-2019, 04:35 PM
shutchis shutchis is offline
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I don't think it's a bearing housing cover, but it might. When you look at the left side of the motorcycle, It's a cover plate left of starter motor cover. It's actually touching the starter motor cover. I have pictures but I don't know how to post or paste them. My bad.
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'80 XS1100LG Midnight Special
Looks like an '82 Maxim, Fuel Injected
'82 XJ1100J, Fuel Injected
Stan Hutchison
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  #4  
Old 07-23-2019, 04:41 PM
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bikerphil bikerphil is offline
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That cover is a tight fit and must be carefully pried off from both sides simultaneously. It will remove much easier with the starter removed. Yes it is a bearing housing.
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79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (160K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (120K miles)

"If it ain't broke, modify it"

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Old 07-23-2019, 06:31 PM
shutchis shutchis is offline
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Woohoo, That's the answer I was expecting. You're right, It's a tight fit; as in a VERY tight fit. Yes, I've removed the starter, which must be done since the starter motor cover has an overlapping lip. Unfortunately I've broken off the top right edge of bearing cover. Luckily, the main shaft, that's stuck inside the crankcase, is still intact.

I'll need to design a "puller" to get this bearing cover off.

Your response has given me the confidence to get physical. Thanks

For the record, It is an awesome oil leak. Thanks guys for responding quickly. And I hope this thread will help the next amateur XS11 mechanic. I love this group.
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'80 XS1100LG Midnight Special
Looks like an '82 Maxim, Fuel Injected
'82 XJ1100J, Fuel Injected
Stan Hutchison
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Old 07-23-2019, 06:45 PM
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bikerphil bikerphil is offline
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So, do you need a new cover now or will the broken one still function?
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79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (160K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (120K miles)

"If it ain't broke, modify it"

30 year XS11 owner

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  #7  
Old 07-23-2019, 10:17 PM
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Radioguylogs Radioguylogs is offline
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Easy and Cheap to Replace

I broke the same part on my SF when I removed it to polish it.

Fortunately, they are all over eBay, and I bought another one for $5.00 (including bearing) and polished it instead.

I removed and polished the one on my SG too, but I didn't break it getting it off.
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'79 XS750SF 15k miles
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'84 Honda V65 Magna 48k miles (parts bike)
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  #8  
Old 07-23-2019, 10:39 PM
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bikerphil bikerphil is offline
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Quote:
It is an awesome oil leak
Oh well, there goes the free rustproofing. You may have helped me solve an oil leak on a friends XJ, it is collecting in that channel just in front of that cover. I forgot about those O rings in that cap.
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79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (160K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (120K miles)

"If it ain't broke, modify it"

30 year XS11 owner

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  #9  
Old 07-25-2019, 10:53 AM
shutchis shutchis is offline
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Woohoo, I successfully removed the bearing housing from the crankcase.

Mr. BIKERPHIL, you're response to my problem was a blessing. For those reading this post, I used two small 6" craftsman screwdrivers and a light hammer. By working the top left and bottom right half of the bearing housing, the screwdrivers acted as wedges and slowly backed out the housing.

I can still use the bearing cover. I'll either use JB Weld or have it heli-arc.

The O-rings were flat so that's the source of the oil leak.
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'80 XS1100LG Midnight Special
Looks like an '82 Maxim, Fuel Injected
'82 XJ1100J, Fuel Injected
Stan Hutchison
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  #10  
Old 07-25-2019, 12:07 PM
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MPittma100 MPittma100 is offline
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O Rings

These O Rings are still available at Partzilla.com.
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1981 XS1100H Venturer
K&N Air Filter
ACCT
Custom Paint by Deitz
Geezer Rectifier/Regulator
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  #11  
Old 08-02-2019, 12:54 PM
shutchis shutchis is offline
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Status Report: I bought ten O-Rings from a local supplier for $5. I bought two different sizes but I think you can use a 2mm x 61mm (width x ID.) for both housing grooves. The grooves are slightly different. I installed a 1.70mm x 61mm, ISO #-036 o-ring in the outside grove, the groove furthest from the crankcase, .

Partzilla does sell these o-rings for $4 each and then add their shipping charge. I repaired two XJ1100 and saved a few bucks.

I took Laverne, my XJ1100, out for a 5 miles ride, no visible oil leaks. Woohoo.

Thanks team for all your comments. Be safe. Stan H.
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'80 XS1100LG Midnight Special
Looks like an '82 Maxim, Fuel Injected
'82 XJ1100J, Fuel Injected
Stan Hutchison
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  #12  
Old 08-02-2019, 10:49 PM
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bikerphil bikerphil is offline
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Glad you got it sorted, I'm going to do this repair also, I bought the OEM o rings, 2 for $16, what a rip.
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79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (160K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (120K miles)

"If it ain't broke, modify it"

30 year XS11 owner

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