SuzukiSavage.com - Swing arm tolerances

batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Swing arm tolerances Reply #15 - 05/16/17 at 20:51:03 All three bearings are mounted on the axle ,there are spacers on each end,and in between the wheel bearing and pulley bearing ,how much misalignment can there be? If the bearings are in good shape little to none. If you align the belt the wheel should be also. Don't be making mountains out of mole hills .
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Eegore Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 8334	Re: Swing arm tolerances Reply #16 - 05/17/17 at 05:21:18 I'll have to agree with Batman here. Its hard to be considerably out of alignment given how tight everything is. I have intentionally ran the belt out of alignment on both sides of the pulleys and the tire isn't drastically out of alignment. There's just not much room to play with.
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Gary_in_NJ Serious Thumper Offline LS650 Cafe Racer Posts: 2633 Amongst the Twisty Roads	Re: Swing arm tolerances Reply #17 - 05/17/17 at 05:34:35 norm92de wrote on 05/16/17 at 20:09:50: I suppose being around aircraft has made me picky about adjustment. As a builder of aircraft, and someone that designs components for aircraft, I'm a bit picky too. See how I one-upped you there.
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norm92de Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1180 El Paso TX Gender:	Re: Swing arm tolerances Reply #18 - 05/17/17 at 10:48:30 Gary, You what?
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buster6315

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Re: Swing arm tolerances
Reply #19 - 05/17/17 at 11:05:59

Gary_in_NJ wrote on 05/16/17 at 19:13:43:

norm92de wrote on 05/16/17 at 18:37:42:
My opinion. Wheel alignment reigns supreme!

It is, after all, a two wheeled vehicle. Both of them should be going in the same direction.

You would be wrong. If the pulleys are out of alignment the belt will wear in short order. On the extreme side, you run the risk of the belt riding up the side of a pulley and removing itself.

The wheel adjustment marks are not to be trusted. If the marks are off by half a notch, but the pulleys are in alignment, then you should ignore the hash marks.

BTW, being a single track vehicle, a motorcycle has the ability to manage front / rear misalignment quite well.

Some years ago on a rally run I witnessed 1 bike in particular that was 'dog walking' noticeably, and the rider seemed oblivious to the situation.

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Gary_in_NJ Serious Thumper Offline LS650 Cafe Racer Posts: 2633 Amongst the Twisty Roads	Re: Swing arm tolerances Reply #20 - 05/17/17 at 11:10:55 norm92de wrote on 05/17/17 at 10:48:30: Gary, You what? Builder: Vans RV-6 (1989) Asst Build: Vans RV-4 (1991) Commercial/Instrument Repairmans' Certificate BS Aeronautical Engineering Worked in aerospace industry since 1985
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norm92de Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1180 El Paso TX Gender:	Re: Swing arm tolerances Reply #21 - 05/17/17 at 12:21:39 Gary, Beautiful aircraft, nice job. Be careful, experimental and all that. I won't go into my experience ratings etc. But I would like to say that I experienced many "delightfully entertaining" experiences due to mechanic/engineer mistakes. I was fortunate to walk away from some of them.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Swing arm tolerances Reply #22 - 05/17/17 at 18:03:35 Does the main gear mount to a single part that crosses the fuselage below the leading edge?
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Swing arm tolerances Reply #23 - 05/17/17 at 18:08:35 Buster the bike you saw was chain driven? there 's some side flex in a chain it would still stay on the sprockets with the wheel misaligned ,but chain life would suffer.
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Gary_in_NJ Serious Thumper Offline LS650 Cafe Racer Posts: 2633 Amongst the Twisty Roads	Re: Swing arm tolerances Reply #24 - 05/17/17 at 19:03:10 justin_o_guy2 wrote on 05/17/17 at 18:03:35: Does the main gear mount to a single part that crosses the fuselage below the leading edge? The main gear legs are integrated into the engine mount. They are made of tapered T6061. The slot that they slide into is very close to the firewall.
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buster6315 Senior Member Offline SuzukiSavage.com Rocks! Posts: 353	Re: Swing arm tolerances Reply #25 - 05/17/17 at 19:14:16 batman wrote on 05/17/17 at 18:08:35: Buster the bike you saw was chain driven? there 's some side flex in a chain it would still stay on the sprockets with the wheel misaligned ,but chain life would suffer. It was a chain drive Sportster: Looked like someone had tightened the chain w/o also pulling the other side back also.
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Swing arm tolerances Reply #26 - 05/19/17 at 06:49:00 bottom line, tire $100+/- , Belt $275 , I'll align the belt.
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Re: Swing arm tolerances
Reply #27 - 05/19/17 at 09:24:28

My belt made noise when I tried to center it on the rear pulley. I took the front cover off to find it was tracking on the inside of the front pulley. I couldn't get it to ride in the middle of both so I said F'it and just aligned everything off the marks that those Suzuki engineers had put on the swing arm. Now the belt rides lightly against the outside of the rear pulley and low and behold, my belt don't squeal and my tire's wearing evenly. KISS Wink

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norm92de Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1180 El Paso TX Gender:	Re: Swing arm tolerances Reply #28 - 05/19/17 at 11:44:54 Ohiomoto, I was beginning to think I was the resident heretic, expecting to get a visit from someone with matches and kindling. That is pretty much what happens on my bike.
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ohiomoto

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Re: Swing arm tolerances
Reply #29 - 05/19/17 at 12:38:55

Yep! And, my belt isn't showing any signs of wear, it hasn't jumped off the pulley and the sky hasn't fallen yet. The belt probably wants to walk around on that pulley every time I take a corner anyway. Last I checked, we still have gravity on earth. I think belt [tension probably plays a bigger role in all of this anyway.

Oh, wait weren't we talking about swing arm tolerances? Yeah, I think those little lines those engineers at Suzuki gave will do just fine for most of us. Wink

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