Leaking gear oil?


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Bildo1973
Posts: 3
Joined: Sun Mar 02, 2014 9:10 am
Location: Indianapolis, IN
Motorcycle: 1984 GL1200I Interstate

Leaking gear oil?

Postby Bildo1973 » Fri Mar 21, 2014 3:08 pm



Hi everybody, My girlfriend and I was riding and made a stop, I noticed gear oil leaking out of the right side of the wheel. I looked at the fill plug and noticed it is leaking from the top side apprx 4"-5" above the fill plug. It looks like there is a cap I cant get off. Is it possible the cap is leaking? and if so can it be a easy fix??? Thanks



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Dusty Boots
Posts: 573
Joined: Mon Oct 26, 2009 4:25 pm
Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: Leaking gear oil?

Postby Dusty Boots » Fri Mar 21, 2014 4:23 pm

Sounds like the breather tube.

Could be the rear end was over filled and is leaking out the breather cap once heated up.

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Bildo1973
Posts: 3
Joined: Sun Mar 02, 2014 9:10 am
Location: Indianapolis, IN
Motorcycle: 1984 GL1200I Interstate

Re: Leaking gear oil?

Postby Bildo1973 » Fri Mar 21, 2014 5:35 pm

Yeah thanks, I went out and pulled the filler bolt and about 1oz of gear oil came out, I looked @ my Haynes book and found it only needs to be at the bottom of the hole. I just got back after taking another ride and is not leaking anymore. Thank you for the input. Have a good one...

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Dusty Boots
Posts: 573
Joined: Mon Oct 26, 2009 4:25 pm
Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: Leaking gear oil?

Postby Dusty Boots » Fri Mar 21, 2014 6:30 pm

Yes, you fill to the bottom of the filler hole while the bike is on the centre stand

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
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Re: Leaking gear oil?

Postby WingAdmin » Fri Mar 21, 2014 8:04 pm

Like Dusty said, this is commonly caused by filling the rear end when the bike is on the side stand instead of the center stand, which causes it to become overfilled. It froths up inside, and blows out the vent as a result. You've already fixed the problem now.




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