Rear gear lube


Information and questions on GL1100 Goldwings (1980-1983)
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sundayracr
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Motorcycle: 1981 GL1100i Interstate

Rear gear lube

Postby sundayracr » Sun May 27, 2012 11:22 pm



This may be a real "newbie" question, but I just recently bought an '81 Goldwing and don't have a service manual. How do I check the lube level in the final drive area? The previous owner said he just changed all the fluids this spring, but I would expect him to say that. Also, when I look in the little oil window I don't see a fluid level..it looks like the whole window is full of oil...problem? Thanks for your patience while I learn.


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seabee_
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Re: Rear gear lube

Postby seabee_ » Mon May 28, 2012 12:29 am

For the rear drive look for an Allen head or bolt that looks out of place, usually towards the back about half way up the axle area. For the crankcase oil window, look for a small slotted screw right next to the window. It operates a wiper like the one's found on your car.
Paul
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Johnyy Smoke
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Re: Rear gear lube

Postby Johnyy Smoke » Mon May 28, 2012 6:39 am

Check out the diy article on rear lube-all your questions will be answered.Checking the motor oil is kinda the hassle-it is just plain hard to see.Try shining a strong flashlight in the oil fill hole at night while looking thru the window,that might help.You can also install a aftermarket dip stick to check oil-not too expensive and it works quite well.Regards,Johnyy

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RBGERSON
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Re: Rear gear lube

Postby RBGERSON » Mon May 28, 2012 8:23 am

There are two bolts heads on the rear hub the lower one is the drain and smaller the upper is large 17mm oil should be just at the lip of the hole when the bike is on center stand and on level ground..and should be 90wt!
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
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WingAdmin
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Re: Rear gear lube

Postby WingAdmin » Tue May 29, 2012 11:57 am

Yup, have a look at How to replace the gear oil in your final drive. You'll see that to fill it correctly, you just keep pumping gear oil into it until it starts to run out the fill port. That indicates it's full:

Image

There's no real way to check the CONDITION of the gear oil. Gear oil is cheap - if you're not sure when it was last done, rather than checking, just drain and replace it.

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PAPete
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Re: Rear gear lube

Postby PAPete » Tue May 29, 2012 1:50 pm

sundayracr wrote: Also, when I look in the little oil window I don't see a fluid level..it looks like the whole window is full of oil...problem? Thanks for your patience while I learn.


I had this same problem. The oil level was high, even after completely draining it and re-filling with exactly 3.4 quarts. So I drained it slowly by not removing the drain bolt completely and watching the site glass. You have to watch it carefully, however, because when the oil level gets to the center of the glass, the screw in the middle makes it difficult to see.
Pete
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patbrandon1
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Re: Rear gear lube

Postby patbrandon1 » Tue May 29, 2012 2:38 pm

sundayracr wrote:This may be a real "newbie" question, but I just recently bought an '81 Goldwing and don't have a service manual. How do I check the lube level in the final drive area? The previous owner said he just changed all the fluids this spring, but I would expect him to say that. Also, when I look in the little oil window I don't see a fluid level..it looks like the whole window is full of oil...problem? Thanks for your patience while I learn.


All the reply's have been spot on for a new Golding owner to be helped. I suggest change the rear lube. VERY easy to do, and inexpensive. Ride it for at least ten or fifteen minutes first to warm it up, it is VERY thick. For the engine oil, use the slotted screw to wipe the glass in the oil site window. Definitely do not over fill it. When I first got mine, I would try to keep it at the full line all the time, and I was putting oil in it almost every gas stop. I read a post where a guy said he let it stay right in the middle, so I did that and am adding oil a lot less often. Not sure why that is, but it is not using as much oil that way.

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sundayracr
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Re: Rear gear lube

Postby sundayracr » Sun Jun 03, 2012 3:04 am

Thanks for the good and quick responses. I drive a truck and my time is limited to spend on my newfound passion, but as soon as I have time to address the issues I will post and let you know how it comes out. Thanks again.


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