93 front forks


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Rodney T
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93 front forks

Post by Rodney T » Sat Sep 03, 2016 12:10 pm



I recently purchase a 93 Interstate. The bike seemed a little squirrely at first, new tires made it a lot better (old ones, rear was bald and the front was scalloped). Here is my questions: How much oil do front forks hold? Does each fork have 1 Dust seal,1 upper bushing, 1 lower bushing, and 1 spring, or 2? I will rebuild them this winter, I want to replace oil right now. The front end is a little soft in my opinion, I can feel every crack in the road. Any help would be greatly appreciated. It is a 93 wth 70K on it.



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NVSB4
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Re: 93 front forks

Post by NVSB4 » Sat Sep 03, 2016 12:22 pm

Rodney, first welcome to the forum.
WingAdmin did a great write-up on rebuilding your front forks here.
There are lots of other useful articles in the How-To Articles section from the link at the top of the page.

Good luck and let us know how it went.
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Rodney T
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Re: 93 front forks

Post by Rodney T » Sat Sep 03, 2016 12:46 pm

Thanks, I have read the article. I was just wondering if change the fork oil would improve the handling until I could change the bushings.

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Dusty Boots
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Re: 93 front forks

Post by Dusty Boots » Sat Sep 03, 2016 3:44 pm

Yes, it'll help some.
You'll be amazed at the grey sludge that'll come out if it's never been changed before.
Viscosity of your new fork oil and amount will determine your ride quality

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Happytrails
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Re: 93 front forks

Post by Happytrails » Sat Sep 03, 2016 8:16 pm

I hear it can be really smelly too.
1991 GL1500 SE Anniversary Edition
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Re: 93 front forks

Post by dingdong » Sun Sep 04, 2016 8:01 am

It will help some but the most improvement in ride quality will be with Progressive springs and a fork brace like the Blackwing brace.
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Re: 93 front forks

Post by Happytrails » Sun Sep 04, 2016 8:04 am

I notice Honda doesn't sell the OEM front fork springs anymore so seems like its Progressive or nothing. :D
1991 GL1500 SE Anniversary Edition
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Rodney T
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Re: 93 front forks

Post by Rodney T » Mon Jan 16, 2017 9:27 pm

Well finally got to rebuilding the front end. Should the lower fork come off with the drain screw removed? It fell quite a bit and appears it will come off. There was not much oil in either fork. I will have them off the bike tomorrow. any ideas.

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Re: 93 front forks

Post by WingAdmin » Tue Jan 17, 2017 8:48 am

Rodney T wrote:Well finally got to rebuilding the front end. Should the lower fork come off with the drain screw removed? It fell quite a bit and appears it will come off. There was not much oil in either fork. I will have them off the bike tomorrow. any ideas.
Have a read through this: How to rebuild your front forks

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Rodney T
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Re: 93 front forks

Post by Rodney T » Tue Jan 17, 2017 9:32 pm

Well got left fork off and apart, thanks to the DIY article. Question is where do I find rebound springs or a decent parts breakdown of the forks? I am missing the rebound spring and what else I don't know.

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Re: 93 front forks

Post by Bluewaterhooker0 » Tue Jan 17, 2017 10:40 pm

This should be a pretty complete list

http://www.partzilla.com/parts/search/H ... parts.html

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Rodney T
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Re: 93 front forks

Post by Rodney T » Wed Jan 18, 2017 8:50 pm

Got the right off today, is it common to leave the rebound spring out? Both side are missing. got some ordered just wondering if any one else has had this issue.

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MikeB
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Re: 93 front forks

Post by MikeB » Thu Jan 19, 2017 2:45 am

I'm unsure what you are referring to as the rebound spring. Yes, the '93 Interstate comes with two springs BUT, if the springs were replaced, it is common practice to install one spring only. Normally the Progressive Suspension springs are used but there are others available.

If when you removed the fork cap, the spring was putting pressure against the cap, then you probably have aftermarket springs in each fork.
MikeB
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Rodney T
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Re: 93 front forks

Post by Rodney T » Thu Jan 19, 2017 6:23 am

The spring I am talking about is a small spring that is visible when the lower part of the fork is removed. It sits either above or below the oil lock piece on the left fork and above the oil lock spring on the right. Their placement is what I am unsure of sense they where not there when I disassembled it.

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Rodney T
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Re: 93 front forks

Post by Rodney T » Thu Jan 19, 2017 7:22 am

This what the forks look like lowers removed.

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Re: 93 front forks

Post by Dusty Boots » Thu Jan 19, 2017 7:40 am

You should be able to figure it out between the parts fiche diagram and this shot of my fork. Unsure which side this was, though.
Hope this helps.




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Re: 93 front forks

Post by WingAdmin » Thu Jan 19, 2017 9:29 am

Rodney T wrote:The spring I am talking about is a small spring that is visible when the lower part of the fork is removed. It sits either above or below the oil lock piece on the left fork and above the oil lock spring on the right. Their placement is what I am unsure of sense they where not there when I disassembled it.
They often stay inside the fork lower when you remove the chromed tube and piston from the lower. Have you looked down inside the lowers?

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Rodney T
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Re: 93 front forks

Post by Rodney T » Thu Jan 19, 2017 10:21 am

Yes the oil lock piece is all that is there. So the spring goes under?

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Rodney T
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Re: 93 front forks

Post by Rodney T » Thu Jan 19, 2017 10:33 am



This is what I have. Oil lock piece has been removed from bottom fork(left side of the bike).

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MikeB
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Re: 93 front forks

Post by MikeB » Thu Jan 19, 2017 12:54 pm

Perhaps this picture from the Honda Service Manual will help:


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Rodney T
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Re: 93 front forks

Post by Rodney T » Thu Jan 19, 2017 1:06 pm

Thanks, I will be using this, this week end has soon as the parts arrive.

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Rodney T
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Re: 93 front forks

Post by Rodney T » Sun Jan 29, 2017 3:09 pm

Well bought a manual for a 93 and got all the parts and finally got it all put back together. WOW what a difference. I have learned so much. the Interstate is different from the A and SE models. The parts in the right direction and the right amount of fluid = new bike ride. Ready to ride now.



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