Rear Driven Flange - I think I need a new one


Information and questions on GL1100 Goldwings (1980-1983)
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Aussie81Interstate
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Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Fri Dec 19, 2014 7:37 pm



Guys,

thought I would show a picture of the rear driven flange - as I am going through the bike - just making sure everything is good - and discovered the flange is quite worn - edges are also sharp to the touch - I might be looking for a replacement in the near future. The rear drive splines are good - showing minimal wear.

Anyone have experience with the CB900C rear flange -it is noted as the same part - but appears a little different from images I have seen on ebay - mainly the mounting bolts/studs.

any thoughts would be appreciated, and do you lubricate the pins going into the rubber bushings if so with what ???

***
need to ask another question - when re-installing the axle - there was no collar/washer in between the caliper bracket and swingarm - but there was a flat washer under the castellated nut on the other side. I have put it back together the same way it came apart - but after checking should there be another collar in this place - or should I just move the washer from under the nut and transfer it to the caliper side ??

thanks again

Charlie
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Aussie81Interstate
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1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Fri Dec 19, 2014 10:00 pm

Here are some photos of the items

the castellated nut is not done up - but the flat washer can be seen sitting against the final drive.
the next photo is the brake caliper side - a little bit of excess grease not wiped off yet from lubing the axle on reassembly - should the flat washer go on the outside between the axle and the brake caliper mount -exactly where the grease is showing?

thanks for your responses - I won't fully tighten things back up until I can get some confirmation of the correct setup

cheers
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Re: Rear Driven Flange - I think I need a new one

Postby WingAdmin » Sat Dec 20, 2014 11:04 pm

OK, first off, yes your flange is history, the splines should be more more square in profile - not sharp and triangular:

Image

What does the other side (the part that slides into it) look like?

There should be no washer in between the axle nut and final drive, so remove that:

Image
Image

Notice there is just the castellated axle nut and the pin.

Image

The pins should be coated with Moly 60 the same as the spline:

Image

On the left side, you have this collar that fits into the wheel:

Image

And then this spacer in between the swingarm and the brake caliper bracket, but this was on 82-83 only:

Image

The washer you have was an after-manufacturing fix (I don't remember if it was a TSB or a recall) issued by Honda for 1980 and some 1981 GL1100's, because they had welded some of the swingarms incorrectly. That washer goes between the caliper and the swingarm in the place of the spacer shown above.

See How to remove and reinstall your rear wheel for more on this.

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Aussie81Interstate
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Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Sun Dec 21, 2014 12:30 am

Wing Admin,

thanks so much for the response - it means I have to remove the axle again - to swap the washer to its correct spot. I don't have the second thinner spacer - but do have the one that sits inside the bearing as shown in your picture.

I'm looking at the moment for another flange - the final drive side is in excellent shape - and when I remove it again, I will put some moly on the flange bolts.

I was wondering why on ebay they are showing two different types of rear axle -thanks for explaining the differences. Mine is an 1981 model.

thanks again

Charlie

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Aussie81Interstate
Posts: 682
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Tue Dec 23, 2014 8:42 pm

I have sourced another flange - and will replace mine as soon as I receive it.

I think this is a better alternative than keeping mine on the bike and waiting for it to strip.

Part has also been sourced from your side of the pond, as I could not easily find a replacement in Australia.
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WingAdmin
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Re: Rear Driven Flange - I think I need a new one

Postby WingAdmin » Wed Dec 24, 2014 3:12 pm

That one looks in great shape. Make sure you lube it well with the proper Moly lubricant, and it should last you many, many years.

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Aussie81Interstate
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1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Wed Dec 24, 2014 3:51 pm

Thank you,

I thought I would be better getting this one - than persevere with the existing one.

I have some Loctite product I purchased some time ago for my CX500's and it has moly content @ 65%. Came in small plastic bottle, purchased several of these for others and myself in Australia a few years ago. About $23 each from memory.

http://www.amazon.com/Loctite-234227-LO ... B001HWBSJW
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Aussie81Interstate
Posts: 682
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Mon Jan 05, 2015 4:23 pm

New flange has arrived, and I am looking at a nearly NEW part.

There are still grooves on the top of each spline, and no sharp edges in comparison to the existing one.

Hope the weather is a bit cooler this weekend to install it.

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Aussie81Interstate
Posts: 682
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500

Re: Rear Driven Flange - I think I need a new one

Postby Aussie81Interstate » Fri Jan 16, 2015 9:50 pm

Well,

I had some issues when first installing the new rear flange - it all assembled easily and I did move the flat washer to be on the outside of the brake caliper mount and the shoulder of the axle

however

when I then did the axle up - it locked up the rear wheel - so much so that I was not comfortable in going any further.
After some discussion on the CX500 board in Australia (CX's have similar rear drive configurations), and further research I decided to put the washer back under the castellated nut and

bingo

it now tightens up correctly and the wheel is not binding up, and moves normally.

So I might have some form of variation of a 1981 GL1100 Interstate that has a correctly welded swingarm? Who knows - I'm happy that it is back together and will be riding it soon.

:D




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