'76 Tubeless Tires: Questions


Information and questions on GL1000 Goldwings (1975-1979)
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landisr
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Location: Gilbert, AZ
Motorcycle: 1976 GL1000
1994 GL1500A

'76 Tubeless Tires: Questions

Postby landisr » Tue May 06, 2014 4:42 pm



Hi. I just noticed that the front tire on The Wife's 76 with stock spoked wheels is weather checked, which is especially bad here in the AZ heat. I have a pair of Lester wheels off a '77 and wish to run tubeless tires with them. The front wheel is stamped 19x2.5 so I'm confident a "stock" sized tire is proper for this wheel. There are no markings, however, on the rear wheel. It measures about 3.5 inches for what I would call the "bead width", meaning NOT the overall rim width, but maybe almost a 1/2" less than that. Is that a correct assumption? Also, the OVERALL diameter of the wheel is about 17", so I am thinking that this would be considered a 16" wheel, no? If someone could advise me on this, I would appreciate it. And once I have these dimensions, would my next logical step be to go to the Dunlop web site to determine which tubeless tires I should order?

Thanks in advance.

Ron in AZ


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RoadRogue
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Re: '76 Tubeless Tires: Questions

Postby RoadRogue » Tue May 06, 2014 5:12 pm

You can run tubeless tires on a tube type rim if you use a tube. 8-)
Ride safe, Todd
Over night campers welcome

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RoadRogue
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Re: '76 Tubeless Tires: Questions

Postby RoadRogue » Tue May 06, 2014 5:14 pm

You can run tubeless tires on a tube type rim if you use a tube. 8-)
Ride safe, Todd
Over night campers welcome

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landisr
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Motorcycle: 1976 GL1000
1994 GL1500A

Re: '76 Tubeless Tires: Questions

Postby landisr » Tue May 06, 2014 5:45 pm

Copy that, but I want the advantages of a true tubeless config, ie. lower running temps, plus the ability to plug the tire should I encounter a flat on the road. I had a flat on the 94A up in Bullhead City a week ago, and if I had been on the 76, I might still be up there..... :lol:

Ron
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Fred Camper
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Re: '76 Tubeless Tires: Questions

Postby Fred Camper » Wed May 07, 2014 12:30 pm

I run tube less on the Lester's on my 1977. The most common rear size is 16 inch which is also the rear rim I run. The tire I run is a Spitfire 130/80 16 if I recall correctly. Nice to be able to plug the rear as the 16 inch rim has clearance with the brake caliper. The rear brake disc must be removed to gain space between the caliper and smaller rim. Not a big deal, but nice to plug when on the road.

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landisr
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1994 GL1500A

Re: '76 Tubeless Tires: Questions

Postby landisr » Wed May 07, 2014 2:50 pm

Thanks for the info, Fred. Could you elaborate on the clearance issues, and possibly post a pic or two? And possibly confirm the tire size, front and rear?

Thanks a bunch. Ron
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Fred Camper
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Re: '76 Tubeless Tires: Questions

Postby Fred Camper » Wed May 07, 2014 5:27 pm

Sure.

First off the rear disc is on with studs. That does not work to help remove the rear wheel when the disc has to come off for clearance. So either you need to double nut the studs, or replace the studs with bolts. Once done, the disc comes off easy and then there is plenty of clearance to get the caliper out of the way for wheel removal.



Here is a link to my bike build where you will find more details.
http://www.ngwclub.com/forum/viewtopic.php?f=30&t=20670&start=150

Regarding tires;
Running a Rear Tire Bridgestone Spitfire 130-90-16 and Front Tire Dunlop D404F 100-90-19

The bike will be harder to get on the center stand due to the lower rear end with the Lester. Not terrible, but rhythm becomes very important.

I adjusted for the smaller rear wheel by using 1/2 inch longer rear shocks off a CB750F to get the bike to set level again. Now the bike goes up on the center stand just fine, but the rear wheel does not spin on the centerstand as it just touches the ground. So if I want to spin the rear, I put a 1 inch by 8 inch plank on the floor and ensure the centerstand pivots up onto the board.

Everything effects everything you know.

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landisr
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1994 GL1500A

Re: '76 Tubeless Tires: Questions

Postby landisr » Sat May 10, 2014 7:28 pm

Hi again, Fred. I shot you a couple more questions via PM. Also, I just did a search on ebay for CB750F shocks, and the one shown have eyelets at both ends and I think the Wing uses clevis on the bottom.. ???

Ron in AZ
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Fred Camper
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Re: '76 Tubeless Tires: Questions

Postby Fred Camper » Sat May 10, 2014 9:41 pm

My 750F shocks from 1981 bolted right up. Cleaves were gone after that I think.

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landisr
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1994 GL1500A

Re: '76 Tubeless Tires: Questions

Postby landisr » Sun May 11, 2014 2:24 pm

Hey, Fred. Just NOW looked past your nice avatar to notice you are from the Detroit area. I am watching the Tiger game as I type this. We have to watch the Tiger games via MLB.TV since we moved here (AZ) from Lansing in November. Glad your riding season has finally showed up this year. ;)
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landisr
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1994 GL1500A

Re: '76 Tubeless Tires: Questions

Postby landisr » Sat May 17, 2014 12:04 am

Hey, Fred. Yeah, it's me again, but with some info instead of a question. In one of your bike pics I noticed you were missing the little dress-up plugs for the handlebar mount Allen head bolts. If you are interested in replacing them, just go down to your friendly local Kawasaki dealer and get/order some for a 1986 Concourse. They are pricey for such little pieces of plastic, but I'm pretty they haven't been available from Mother Honda for quite a while..

Just sayin'

Ron
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OnPapasWing
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Re: '76 Tubeless Tires: Questions

Postby OnPapasWing » Sat May 17, 2014 8:23 am

landisr wrote:Wife's 76 with stock spoked wheels is weather checked, which is especially bad here in the AZ heat. I have a pair of Lester wheels off a '77 and wish to run tubeless tires with them.


I was going to respond that you would find it very difficult to run a tubeless tire on spoke rims but then I went back and read and re-read the OP and discovered that you were not going to use the stock rims. I hope your project works out for you.

In addition to my '96 GL1500SE I've got an '06 Shadow Aero which has the spoke rims. I always wanted other rims for that bike so that I could go tubeless. But I also like the look of the spokes.

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Fred Camper
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Re: '76 Tubeless Tires: Questions

Postby Fred Camper » Sat May 17, 2014 5:50 pm

landisr wrote:Hey, Fred. Yeah, it's me again, but with some info instead of a question. In one of your bike pics I noticed you were missing the little dress-up plugs for the handlebar mount Allen head bolts. If you are interested in replacing them, just go down to your friendly local Kawasaki dealer and get/order some for a 1986 Concourse. They are pricey for such little pieces of plastic, but I'm pretty they haven't been available from Mother Honda for quite a while..

Just sayin'

Ron


Thanks Ron, did not know it was that easy.




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