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Buell Forum » XBoard » Archive through January 01, 2011 » Anyone have, or know how to make a jig to see if your swingarm is straight? « Previous Next »

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Jaylightnin0666
Posted on Tuesday, December 28, 2010 - 09:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was in a lowside a little over a year ago. I didnt claim it to the insurance cause im retardedddd, I thought they would total the bike out and just leave me with nothing. Anyways about six months, a shatterd pattella,torn miniscus, and ALOT of tears, and about 2000 bucks she's back on the road. Runs good, couple blemishes but they just give her character. I noticed when i replaced my front tire how one side had a funny wear pattern. Now, I would love to know how to check to see what is tweaked, the swingarm, frame(i doubt the frame is, besides, if that is tweaked replacement seems to be the only option.) SOooooooo, any good ideas,commentary,??? Thanks in advance guys
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Sifo
Posted on Tuesday, December 28, 2010 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A quick check to me is how does it respond when you let go of the bars? It should track straight and true without having to correct with body English.

Your best bet might be to find a local shop that racers go to in your area. They should be equipped to check what's bent, and possibly straighten it.
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Hughlysses
Posted on Tuesday, December 28, 2010 - 01:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Put the bike on a rear wheel stand. Get a friend and a couple of long pieces of string. One of you stand behind the bike and hold a piece of string on either side of the rear tire. Pull the strings out straight down the sides of the bike so the string is just touching the rear tire in front and back. Now, with the front forks straight, measure the distance from the string on either side of front wheel. You should be able to tell if something is out of whack.

Even if something's out of alignment, I'd say it's pretty unlikely the swingarm is hosed up. Are you sure the forks are straight in the triple clamps? Check the tie-bars and the rear isolator mount.
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Ducbsa
Posted on Tuesday, December 28, 2010 - 01:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

After my crash, the tweaked swingarm was evident by the way the brake disk rubbed in the caliper and I couldn't turn the wheel.
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Firebolt32
Posted on Tuesday, December 28, 2010 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

After my crash, the tweaked swingarm was evident by the way the brake disk rubbed in the caliper and I couldn't turn the wheel.

Mine as well. Will actually be 1 year tomorrow since I've been Buelless! I miss my Buell....
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Dfishman
Posted on Tuesday, December 28, 2010 - 03:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Take 2 8' flourescent bulbs & hold bike upright,hold tubes alongside both sides of rear wheel.It should line up with the front wheel.Not sure if the wheels are exactly centered,but you should get a good idea if your swingarm is skewed.
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Natexlh1000
Posted on Tuesday, December 28, 2010 - 11:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This might be one of those time to take it to a professional and spend money to either find out what's wrong or to find out nothing's wrong for peace of mind.
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Ksfirebolt
Posted on Wednesday, December 29, 2010 - 01:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm with Dfishman, that's how I set toe in/out on my sidecar bike. Set the flourescents up on a brick or something similar to get them on the center of the wheel where it is wider, and bungee them. Then take some measurements. That's the cheap way to get an idea of whats going on.
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Firemanjim
Posted on Wednesday, December 29, 2010 - 01:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Odd front tire wear seems a common thing on Buells,they will cup one side,some brands of tire worse than others.Check with road race guys in area and see if anyone does a frame measuring service. We have one near track here and he uses a sweet laser measuring jig to see if bike is true.
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Jaylightnin0666
Posted on Wednesday, December 29, 2010 - 09:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks so so much guys. Appreciate the experienced feedback. I am gonna try the strings, as hugh recommended. I wish I had the money to take it to a frame guy. I dont even have enough money to buy a new tire for the rear, and it has belts showing.
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