Poor mating with U-joint?


Information and questions on GL1200 Goldwings (1984-1987)
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rperry@stfx.ca
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Poor mating with U-joint?

Postby rperry@stfx.ca » Sun May 15, 2016 4:26 pm



Uh oh. Do you think it is possible that I only THINK my shaft connected properly into the U-joint on my '84 Aspencade? That it maybe tucked up beside the joint? Fussed for a while after getting the rear tire back on, and finally the shaft moved forward easily, and it let me tighten the four bolts connecting the long tube with the final drive hub. So I assumed a good connection. Put the bike back together, but there was a strange clunky sound down in the U-joint area as i backed the bike out of the garage, and then right back into the garage. Have never heard that sound before. This doesn't sound good.


1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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twocams
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Re: Poor mating with U-joint?

Postby twocams » Sun May 15, 2016 5:15 pm

I think its possible. I had to pull the boot back to make sure mine was on right. :shock: From the rear tire forward. I didnt take my rubber off just peeled forward.

twocams

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 10:45 am

I pulled the boot back and lo and behold...the U-Joint has clearly disconnected from the output shaft from the engine. Will I be able to pull the U-Joint back far enough to reconnect. Seems pretty snug!
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1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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Re: Poor mating with U-joint?

Postby tbeiler » Mon May 16, 2016 10:52 am

I didn't think you could actually tighten up the 4 nuts with the splines and U-joint not aligned. Well, I'll be.

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Re: Poor mating with U-joint?

Postby twocams » Mon May 16, 2016 10:55 am

You could try, but I dont think there are enough splines on the shaft to move back far enough. And it most likely wedged in there. Bite the bullet, take it apart again. I played with mine for 2 hrs. Walked away, ate lunch. Came back and went on in 10 min. The splines have to be perfect...straight and level to line up.

twocams

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Re: Poor mating with U-joint?

Postby twocams » Mon May 16, 2016 10:59 am

NO now that Ive seen your picture it's impossible. :(

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Re: Poor mating with U-joint?

Postby twocams » Mon May 16, 2016 11:13 am

2 people would make it a lot easier. One to hold the u-joint from flopping around and line up. The other to hold the diff. level, and lightly push forward. My "boss" was at work that day...so no help there. :roll:

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 11:17 am

twocams wrote:NO now that Ive seen your picture it's impossible. :(


Yes, I gave the U-joint a gentle nudge with a crowbar, but the problem is you have to use the engine output shaft for leverage, which is not a good idea! Back to the drawing board. PITA to remove the rear end again, but I learned a good lesson. Check the work BEFORE you re-assemble everything! Thanks.
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 1:29 pm

Some success. As yu will see in the pics, I was able to gently use pliers to pull the front yoke back onto the engine output shaft. I can now clearly see the rear yoke at the end of the swingarm tube. I will wait for a buddy tonight to hold the U-joint steady when I attempt to line up the shaft again. Oh well, got to Moly the axle this time, and pulling off the rear end is a lot quicker the second time around!
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1984 Honda Goldwing Aspencade
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twocams
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Re: Poor mating with U-joint?

Postby twocams » Mon May 16, 2016 2:04 pm

I hope you didnt disturb the engine drive shaft seal cause that will be sure to leak next.....just sayin. :shock:

twocams

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 2:06 pm

Would I be able to tell if the seal is affected by pulling the yoke back and inspecting the output shaft?
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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Re: Poor mating with U-joint?

Postby Rednaxs60 » Mon May 16, 2016 2:34 pm

I've had the rear off my '85 several times this year, off again to do the stator. You probably won't be able to tell if the output shaft seal is damaged until you get the engine started. You can replace the seal, but it will challenge you while the engine is installed. You may want to order one for the just in case scenario. After you get the bike together and ride it, and after a couple of 100 kicks, pull the boot back and check for any oil leak.

I have a method I use to put the FD back in. I drop the swing arm (both sides) whenever I have to remove the u-joint. Makes taking out and putting the u-joint in so much easier. Dosn't take much to R and R the swing arm.

If I don't work on the u-Joint, I leave the swing arm in place, make sure that the u-joint is on the output shaft. I disconnect the driveshaft from the FD and install it in the u-joint. I then install the FD on the driveshaft. There is a lot of flexibility in the driveshaft seal and you just have to go easy. Works and does not leak. Takes the frustration out of having to support the FD while you play with the mating of the u-joint and driveshaft, the FD gets heavy after a while.

Good luck on your install.

Cheers
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 2:44 pm

I hear ya about the weight of the rear tire and FD unit when trying to line things up. Have a friend coming tonight to hold the U-joint while I give it another whack. Thanks, great tips!
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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twocams
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Joined: Tue Sep 29, 2015 11:25 am
Location: Grants Pass, Oregon
Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50

Re: Poor mating with U-joint?

Postby twocams » Mon May 16, 2016 4:05 pm

Take the tire off mate. You dont need all that weight on there.

twocams

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 4:33 pm

Is it fairly straightforward to re-connect the shaft to the final drive hub once the shaft has mated with the U-joint? Much force required? sorry for the dumb questions, but this is my 'learning' weekend I guess!
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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rperry@stfx.ca
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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 6:28 pm

" If I don't work on the u-Joint, I leave the swing arm in place, make sure that the u-joint is on the output shaft. I disconnect the driveshaft from the FD and install it in the u-joint. I then install the FD on the driveshaft. There is a lot of flexibility in the driveshaft seal and you just have to go easy. Works and does not leak."
Good luck on your install.


This sounds good. So are there two steps: 1-driveshaft to u-joint. 2-wheel assembly and FD to driveshaft. Or does the wheel assembly get put on last as a separate step, once the FD and shaft are connected?
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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Re: Poor mating with U-joint?

Postby rperry@stfx.ca » Mon May 16, 2016 8:04 pm

twocams wrote:2 people would make it a lot easier. One to hold the u-joint from flopping around and line up. The other to hold the diff. level, and lightly push forward. My "boss" was at work that day...so no help there. :roll:

twocams


So this is exactly how it worked for me. A friend came and held the U-joint and presto, in it went. Done in 5 minutes. Checked and double checked by checking the rear wheel in neutral and again in drive. Wow. Thanks for the great advice!
1984 Honda Goldwing Aspencade
1981 Honda Goldwing Interstate
1979 Honda CB900 Custom
1972 Honda 50cc scooter

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Rednaxs60
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Re: Poor mating with U-joint?

Postby Rednaxs60 » Mon May 16, 2016 11:22 pm

Good to hear everything worked out. Take it for a spin and then check the engine output seal to make sure it is not leaking.

Have fun!!

Cheers


"When you write the story of your life, don't let anyone else hold the pen"

Ernest


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