GL1000 drive shaft


Information and questions on GL1000 Goldwings (1975-1979)
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pricey1123
Posts: 52
Joined: Mon Sep 16, 2013 6:11 am
Location: United Kingdom
Motorcycle: 1979 Honda GL1000KZ

GL1000 drive shaft

Postby pricey1123 » Sat Sep 21, 2013 10:57 am



Hi all, new to this forum so please bear with me :)

I'm in the process of doing a rebuild of a GL1000KZ, now when I removed the drive shaft from the engine to the rear hub it had like a green colour grease inside the swinging arm. Is this a special kind of grease? Also in the rear hub their was I'm guessing special oil? whats the best type of oil to buy from a local dealer?

Many Thanks :mrgreen:



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Placerville
Posts: 423
Joined: Tue Mar 09, 2010 12:58 pm
Location: Placerville, CA
Motorcycle: 1976 Naked Yellow

Re: GL1000 drive shaft

Postby Placerville » Sat Sep 21, 2013 12:57 pm

Welcome from California and to the GoldWingDocs forum.

First, do you have a shop manual? If you don't, you need one. One can be download here for free. Your shop manual will give you direction for the lubricants you need for your '79. These lubricants are also addressed in your bikes owners manual.

To answer your question, you should only use a moly-based grease on your rear coupler. I use Honda Moly 60 Paste. You can find several vendors selling it on eBay. Prior to its application, you should first thoroughly clean out all of the old grease in the drive shaft area then, re-lube with a moly-based paste. After that, re-grease your rear coupler with each tire change.

Note that there's a grease fitting (added with the introduction of the '76 models) positioned near the coupler for internal greasing. Some have faith in these (and use them liberally) and some don't but, I don't want to get into that here. Bottom line, if you use the 'every tire change' method for greasing the coupler, you won't have to use that fitting (or wonder if it's doing its job). For your rear end gears, Honda recommends a hypoid type gear oil. SAE 90 (above 5C or 41F) and SAE 80 (below 5C or 41F). I use Lucas Hypoid 80W/90 in my '76 and I change it (along with all of my other fluids) at the end of each riding season. Tip: After filling the rear end up to the opening, spin the tire. This will pull the oil into the gears and allow for the addition of additional oil. Keep spinning the tire as you put the cap back on or you'll have oil trying to escape.

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Placerville
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Joined: Tue Mar 09, 2010 12:58 pm
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Motorcycle: 1976 Naked Yellow

Re: GL1000 drive shaft

Postby Placerville » Sat Sep 21, 2013 6:43 pm

Here are the locations where you will apply molly lube:

Placerville- 1976 Yellow
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WingAdmin
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Re: GL1000 drive shaft

Postby WingAdmin » Mon Sep 23, 2013 2:51 pm

Moly paste should basically be applied wherever there are two splined mating surfaces that don't slide against one another - they sit in place, against one another. Two gears that rotate against one another, like you would see in a transmission, need a completely different type of lubrication. A male splined shaft that fits into a female receptacle and basically stays there while transferring power, needs Moly (at least in our bikes).




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