75' GL1000 U-joint maintenance

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Prospect
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75' GL1000 U-joint maintenance

#1

Post by Prospect »

I'm working on servicing the ujoint on my 75 GL1000. I don't think anyone has ever gone in there to grease it. This is a fairly low mileage bike - about 30k. I took the wheel off and disconnected the final drive and swingarm. I took the rubber boot of and have had a very difficult time getting the circlip off. I've broken two different circlip pliers trying to get it off (the little tang broke). The circlip moves around so it's not rusted in place. I'm a little concerned that once I get it off it'll be difficult to get back on but from experience it's much easier to put circlips back on than off.

I was hoping to get some helpful tips on how to get it off? Is it possible to somehow grease the engine output shaft and ujoint without separating them (I don't think so)?

What is the general consensus on what to use for greasing the ujoint? The manual says Multipurpose Grease NLGI #2 (MoS2 Additive).
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gltriker
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Re: 75' GL1000 U-joint maintenance

#2

Post by gltriker »

Prospect wrote: Wed Nov 03, 2021 10:16 pm I'm working on servicing the ujoint on my 75 GL1000. I don't think anyone has ever gone in there to grease it. This is a fairly low mileage bike - about 30k. I took the wheel off and disconnected the final drive and swingarm. I took the rubber boot of and have had a very difficult time getting the circlip off. I've broken two different circlip pliers trying to get it off (the little tang broke). The circlip moves around so it's not rusted in place. I'm a little concerned that once I get it off it'll be difficult to get back on but from experience it's much easier to put circlips back on than off.

I was hoping to get some helpful tips on how to get it off? Is it possible to somehow grease the engine output shaft and ujoint without separating them (I don't think so)?

What is the general consensus on what to use for greasing the ujoint? The manual says Multipurpose Grease NLGI #2 (MoS2 Additive).
The ujoint, itself, is not greaseable. No provision to attach a lubricating device to in there.
Cliff (74yrs ;) )

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

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Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
Prospect
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Re: 75' GL1000 U-joint maintenance

#3

Post by Prospect »

What about lubricating the splines on the ujoint and final drive shaft?
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gltriker
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Re: 75' GL1000 U-joint maintenance

#4

Post by gltriker »

Prospect wrote: Wed Nov 03, 2021 10:42 pm What about lubricating the splines on the ujoint and final drive shaft?
Yes. On the opposite end of the driveshaft, the female splined coupler and its complementing male spline coupling on the final drive input shaft requires lubrication, too.
The 1975 swingarm did not have a zerk fitting installed near the swingarm to final drive coupling flange to allow grease to be forced into that sliding spline connection. Pack the female splined coupler full of the recommended grease before reassembling the swingarm and final drive assembly.
Cliff (74yrs ;) )

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

New users please visit our "Shop Talk" for common tips and help: <---jdvorchak
http://www.ngwclub.com/forum/page/ST
^^^^^^^click up here^^^^^ :oldies

RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
"Can't see the paint when your looking thru the handlebars..........." -Oldewing ;)
"I'd rather Ride than Shine" -RAT tumb2 Me Too!!

Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
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flyin900
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Re: 75' GL1000 U-joint maintenance

#5

Post by flyin900 »

That is a difficult area to get a set of C clip pliers into as you have noted. I custom ground/bent a set to get in there and remove the clip. If you end up damaging it, they were still available from Honda in a 20mm size I think.
I use the Honda Moly 77 paste again available from the dealership for the splines. It was designed with 77% Moly paste for the big Wings and Valkyrie bikes rear sections.
Last edited by flyin900 on Wed Dec 08, 2021 7:48 pm, edited 1 time in total.
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1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
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ericheath
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Re: 75' GL1000 U-joint maintenance

#6

Post by ericheath »

There is someone here (badorderbob??)who had some very high mileage GL’s who would remove the shaft, submerge it 90 weight (I think), then put it in a vacuum sealed bag. He felt the vacuum would draw the air slowly out and the grease would take its place. He did it in the off-season.
Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
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5speed
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Re: 75' GL1000 U-joint maintenance

#7

Post by 5speed »

we (someone) needs to come up with a way to replace the u-joints. has anyone ever done that with the u joint from a freightliner to see if it handles the rpm?
1982 1100 standard. (sold)
1986 Yamaha FJ1200
2000 Yamaha Roadstar
1976 GoldWing. running but not on the road
1978 Goldwing. future cafe project.
2019 Can-Am ryker (boss's new ride)

2002 Shadow American Classic(sold)
1983 Shadow 500. (sold)
Paola Zago
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Re: 75' GL1000 U-joint maintenance

#8

Post by Paola Zago »

having three joints in the house that I had play, however, by hand maneuvering them you could hear click clicks, we looked for a way to repair them and after several searches we found a company that works for Ferrari prototypes. we delivered, they had no problems replacing the joint, closing and balancing the shaft, the problem was the cost because this workshop, working for Ferrari, has very high labor costs and if I remember correctly, we have spent 230 or 250 euros. Shortly after the joint of the LTD, which has 113,000 km, it started to make some noise above all in gear changes and we decided to replace the rebuilt one. I only did 300 km but it looks like another motorcycle, much smoother and quieter.
Paola (Italy)
MikeNTexas
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Re: 75' GL1000 U-joint maintenance

#9

Post by MikeNTexas »

Here’s a link to a topic where I replaced the u joint. I have done three of them. No problems with any of them so far. I used the truck steering u joint.
https://www.ngwclub.com/forum/viewtopic ... t&start=30
1975 GL1000 Restored (sold)
1983 GL1100 Custom (sold)
1976 GL1000 Project (finished and sold)
Another1976 GL1000 Project (finished and sold)
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5speed
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Re: 75' GL1000 U-joint maintenance

#10

Post by 5speed »

MikeNTexas wrote: Thu Nov 04, 2021 10:27 am Here’s a link to a topic where I replaced the u joint. I have done three of them. No problems with any of them so far. I used the truck steering u joint.
https://www.ngwclub.com/forum/viewtopic ... t&start=30
anim-cheers1
1982 1100 standard. (sold)
1986 Yamaha FJ1200
2000 Yamaha Roadstar
1976 GoldWing. running but not on the road
1978 Goldwing. future cafe project.
2019 Can-Am ryker (boss's new ride)

2002 Shadow American Classic(sold)
1983 Shadow 500. (sold)
Prospect
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Re: 75' GL1000 U-joint maintenance

#11

Post by Prospect »

Success. I used my best circlip pliers and it came off easily. Greased it all up. There is very little play in the u-joint. Thanks for all the help!
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PXL_20211110_170043641.jpg
PXL_20211110_170043641.jpg (171.75 KiB) Viewed 300 times
PXL_20211110_171206627.jpg
PXL_20211110_171206627.jpg (168.91 KiB) Viewed 300 times
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1969 CB750 Sandcast
1971 CB750K1
1972 CB750K1
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Sidecar Bob
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Re: 75' GL1000 U-joint maintenance

#12

Post by Sidecar Bob »

BTW: National Lubricating Grease Institute #2 refers to any grease with a consistency like peanut butter so "Multipurpose Grease NLGI #2 (MoS2 Additive)" means ordinary Moly-Lith grease. This grease is suitable for everywhere on the bike except places like the brakes that should have silicone grease.
Mr. Honda ('83 GL1100/Dnepr) summer How a motorcycle evolves thread
The Famous Eccles ('84 CX650EI/VeloUral) winter Never Ending Build (CX500forum)
Click: Colour schematics for all GL1000 & GL1100 and GL1200 standard models plus instructions on how to download the full size version
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Prospect
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Re: 75' GL1000 U-joint maintenance

#13

Post by Prospect »

This is the stuff I bought. It should last me a lifetime. I'm really glad I took the time to take everything appart and did it properly. I don't like riding and worrying about a job that I rushed.

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1969 CB750 Sandcast
1971 CB750K1
1972 CB750K1
1975 CB400F
1975 GL1000 Goldwing
1954 Harley Davidson Panhead
1957 Harley Davidson Panhead
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Sidecar Bob
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Re: 75' GL1000 U-joint maintenance

#14

Post by Sidecar Bob »

That grease is the correct consistency but doesn't have either the lithium base or the molybdenum additive that you need.
Mr. Honda ('83 GL1100/Dnepr) summer How a motorcycle evolves thread
The Famous Eccles ('84 CX650EI/VeloUral) winter Never Ending Build (CX500forum)
Click: Colour schematics for all GL1000 & GL1100 and GL1200 standard models plus instructions on how to download the full size version
"A guy with two sidecars can't be all bad." - Cookie
Another guy with two sidecars..... Hmmmm... must be something to that....
Prospect
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Re: 75' GL1000 U-joint maintenance

#15

Post by Prospect »

Sidecar Bob wrote: Thu Nov 11, 2021 7:50 pm That grease is the correct consistency but doesn't have either the lithium base or the molybdenum additive that you need.
Ooops. Not sure I want to take it apart again.
Current Bikes
1969 CB750 Sandcast
1971 CB750K1
1972 CB750K1
1975 CB400F
1975 GL1000 Goldwing
1954 Harley Davidson Panhead
1957 Harley Davidson Panhead
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