Author Topic: Front wheel help (Read 2291 times)

mdl91881 · « **on:** March 19, 2008, 04:08:26 PM »

Sorry about the bad pic.

I know something isnt right with this. just did a mock up of the front wheel before the tire gets mounted, and well, as you can see its a tad bit crooked. I cant figure out for the life of me what the problem is. Also, when I spin the wheel the speedo drive turns with it??? I installed new seals so im wondering if its just tight. The wheel spins but maybe for only 1 to 2 turns... It seems to me something is binding but I cant seem to figure it out.

Any Ideas?

http://i268.photobucket.com/albums/jj13/mdl91881/bike.jpg

kghost · « **Reply #1 on:** March 19, 2008, 04:13:51 PM »

Can't tell which bike that is

Jinxracing · « **Reply #2 on:** March 19, 2008, 04:19:18 PM »

Well, the first thing I notice is that the axle isn't parallel to the gound. It looks as though it's mounted in the bottom of the fork lowers cockeyed. In fact, one fork lower appears to be higher than the other one. I don't know how you could have managed to get the axle in there that crooked and still tighten it, but I'd say it's definitely worth a trip out to the garage for a closer look.

mdl91881 · « **Reply #3 on:** March 19, 2008, 04:22:35 PM »

its a 78F. I agree that one of the fork lowers looks higher they are lined up even on the top triple. I wonder if It was something gone wrong on the fork rebuild?

inline4 · « **Reply #4 on:** March 19, 2008, 04:24:43 PM »

Isn't the speedo drive gear supposed to be on the right side?

Jinxracing · « **Reply #5 on:** March 19, 2008, 04:26:30 PM »

Quote from: inline4 on March 19, 2008, 04:24:43 PM

Isn't the speedo drive gear supposed to be on the right side?

Wow, missed that completely. To expand on that...are you sure that the fork lowers are facing the right way and are on their respective sides of the bike?

mdl91881 · « **Reply #6 on:** March 19, 2008, 04:29:07 PM »

Speedo was on that way when i took it off... It that wrong? fork lowers are correct

http://i268.photobucket.com/albums/jj13/mdl91881/girfriend008.jpg

scondon · « **Reply #7 on:** March 19, 2008, 04:31:57 PM »

Quote from: Jinxracing on March 19, 2008, 04:26:30 PM

Quote from: inline4 on March 19, 2008, 04:24:43 PM
Isn't the speedo drive gear supposed to be on the right side?

Wow, missed that completely. To expand on that...are you sure that the fork lowers are facing the right way and are on their respective sides of the bike?

I've had my front tire mounted backwards 'cause my shop guy forgot that the speedo drive was on the opposite side on 77-78 750F's(dual disk). The pic shows correct placement

scondon · « **Reply #8 on:** March 19, 2008, 04:35:16 PM »

Quote from: mdl91881 on March 19, 2008, 04:29:07 PM

Speedo was on that way when i took it off... It that wrong? fork lowers are correct

http://i268.photobucket.com/albums/jj13/mdl91881/girfriend008.jpg

Do you have the top triple tree tightened down? can't see it in your first pic. If your top triple is not installed fully/correctly and you are using it to gauge fork height it may explain why your wheel is crooked. Your forks do look to be installed at different heights.

mdl91881 · « **Reply #9 on:** March 19, 2008, 05:02:44 PM »

yeah top triple tree is tight. the only thing I can think of is that the fork lowers are different heights for some reason. Or maybe they are bent?

Looks like i have some inspecting to do

kghost · « **Reply #10 on:** March 19, 2008, 07:11:25 PM »

Looks to me like the forks are splayed outward at the bottom.

Did you tighten the nut on the axle? Wheres the spacer?

Baring that are the top triples correct for an F?

mdl91881 · « **Reply #11 on:** March 19, 2008, 07:19:45 PM »

yeah axle nut is tight. the spacer is on the opposite side of the speedo between the bearing retainer and the end nut

mdl91881 · « **Reply #12 on:** March 19, 2008, 07:37:48 PM »

OK.... so its definitly something with the fork tubes. I raised the left side(looking from the front) up about a 1/2 in and the wheel is now straight

So now my problem lies in the tubes.... what would cause one to be 1/2 longer then the other. I did a rebuild with new seals, oil ect. They have been under any "load" yet, been on the bench with no weight on them. Do you think that they might even out after they get compressed a few times? or should I take them back apart and see if something isnt right.

333 · « **Reply #13 on:** March 19, 2008, 08:20:28 PM »

What about the possibility of having the forks reversed (left and right)?

bwaller · « **Reply #14 on:** March 19, 2008, 08:24:53 PM »

Measure the assembled height of each. But looks like they may need to come apart again.

Jinxracing · « **Reply #15 on:** March 19, 2008, 10:13:17 PM »

It's also possible that something weird with the fork internals isn't allowing one of the sliders to slide all the way down. Whatever it is, looks like a teardown is in order.

jtb · « **Reply #16 on:** March 20, 2008, 05:24:22 AM »

Have to go with Bwaller & Jinx on this one. tear down the forks & put together again.

mdl91881 · « **Reply #17 on:** March 20, 2008, 12:01:49 PM »

http://i268.photobucket.com/albums/jj13/mdl91881/bike018.jpg

so before i crack into the forks any idea on which one is correct?

one is 16", the other is 15 5/8"

no sense taking both of them apart if someelse wouldnt mind measuring

sorry im being lazy, plus who wants to drain and replace fork oil in two tubes, if only one is bad

BTW i measured from the top of the fork lower below the seal.

scondon · « **Reply #18 on:** March 20, 2008, 01:58:51 PM »

The one on the right in your photo is too long. Mine measure about 15.5 from fork lower to fork tube top(below cap) installed on bike with front wheel in the air('78 750F).

mdl91881 · « **Reply #19 on:** March 20, 2008, 02:26:33 PM »

thanks now time to figure out why

mdl91881 · « **Reply #20 on:** March 20, 2008, 05:44:12 PM »

if the two tubes had un equal amouts of fork oil would that cause a difference? or does it have to be that someting is seating correctly inside?

doobiebro · « **Reply #21 on:** March 21, 2008, 10:16:36 AM »

The picture looks as though the fork lowers are at different heights. This could be that the bottom bolt that secures the fork seat is not tightened correctly. When installing this bolt, the seat must be held tightly down and kept from spinning as the bolt is tightened. Some use a broom handle to apply pressure to the seat.

mdl91881 · « **Reply #22 on:** March 22, 2008, 09:07:59 AM »

ok so i torn into the forks today.... heres what i found.

PO must have done something because I he two different "insides" see pic.

http://i268.photobucket.com/albums/jj13/mdl91881/bike019.jpg

So now which one of these is the correct one. One has 4 holes in the bottom, the other has two. From the looks of my manual, the one with four seems to be correct for the F model.

Now the next part, where to find the matching one without have to buy a complete fork setup.

Thanks to all who have contributed there help!

scondon · « **Reply #23 on:** March 22, 2008, 12:50:36 PM »

Don't know what part of the world your in but you can try servicehonda in the U.S., cmsnl(netherlands) has two but the dollar is pretty weak over there, or davidsilverspares(England) should be able to hook you up.

Part# 51440393003 (seat,lower)

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Author Topic: Front wheel help (Read 2291 times)

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