June 20th, 2012, 09:31 AM | #1 |
ninjette.org member
Name: Jacob
Location: Michigan
Join Date: Mar 2011 Motorcycle(s): 2000 Ninja 250 Posts: 227
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Trouble aligning rear wheel and chain
Had new tires mounted yesterday at a local shop, me and my brother put the wheels back on the bike no problem, but the rear has a slight wobble when we tested it. Not sure if this is a misaligned chain or rear wheel, but I figured out those hash marks on the chain adjusters are useless. I looked at the wiki page on ninja250 but still had trouble with the tire after. The shop didn't balance the tires after mounting, said that they didn't need to, could that be it?
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June 20th, 2012, 09:44 AM | #2 | |
ninjette.org member
Name: Dave
Location: Lisle
Join Date: Apr 2012 Motorcycle(s): 2003 Goldwing GL1800, 2002 Ninja 250, 2001 VFR800, 1999 Ducati 996 Posts: 107
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Quote:
The shop should have balanced the wheel for you, it's part of the whole new tire process. I'd be a little bit annoyed if they tried to pass that line about not needing balancing off on me. The wheel alignment marks aren't to be trusted. They might be good, they might be bad....who knows on your particular bike. Check out ninja250.org for some better tips on wheel alignment. I have the Motion Pro tool that allows you to sight a metal rod down the length of the chain, so you can visibly see the chain is straight....I totally ignore the axle alignment marks. |
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June 20th, 2012, 09:44 AM | #3 | |
ninjette.org sage
Name: Byron
Location: Reno, NV
Join Date: Dec 2011 Motorcycle(s): Ninja ex250 1990 Posts: 761
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Quote:
Go to a cycle gear or another place, they usually do the balance for free
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1990 250F. ex300 motor swap, 15/42 gearing, flush side markers, newgen intergrated front fairing, rear integrated turn signals, DB Touring Bubble, zx600 rear shock, Custom DanMoto Exhaust |
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June 20th, 2012, 09:49 AM | #4 |
ninjette.org member
Name: Jacob
Location: Michigan
Join Date: Mar 2011 Motorcycle(s): 2000 Ninja 250 Posts: 227
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Yeah I was a little peeved when they didn't balance them, but seeing as how I brought it to a shop that works on Harleys most of the time, what else could I expect. They were the cheapest though, probably for a reason.
The wobble is something I can see when I spin the tire. we also put the centerstand up and put the bike in gear, which I know isn't the "safest" thing to do, but it works. Not sure if this is normal on 250's or not, and I can't remember if mine did it beforehand, but when I spin the tire, I can hear what sounds like the chain clicking against something, but I can't see what. |
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June 20th, 2012, 09:52 AM | #5 |
wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
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they installed the tire like idiots and bent your wheel. make them buy you a new wheel or have them pay for a real machinist to true it.
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June 20th, 2012, 09:52 AM | #6 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Save the cash and do it yourself. It's easy!
Yes, its possible to not need balance weights but they should check for balance. If not it's not really hard to do it yourself, even with minimum tools. You can even do it while on bike (no chain on the rear of course) if you can get your bike level. Or use some boxes, milk crates anything that you can level.
Link to original page on YouTube.
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June 20th, 2012, 09:52 AM | #7 | |
ninjette.org sage
Name: Byron
Location: Reno, NV
Join Date: Dec 2011 Motorcycle(s): Ninja ex250 1990 Posts: 761
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Quote:
And yeah if it does that its not good lol. Take it to check the balance. Then try to align the sprockets, then make sure the chain has the right slack. Sounds like you might have too much slack. Good luck
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1990 250F. ex300 motor swap, 15/42 gearing, flush side markers, newgen intergrated front fairing, rear integrated turn signals, DB Touring Bubble, zx600 rear shock, Custom DanMoto Exhaust |
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June 20th, 2012, 09:53 AM | #8 |
ninjette.org sage
Name: Byron
Location: Reno, NV
Join Date: Dec 2011 Motorcycle(s): Ninja ex250 1990 Posts: 761
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hope they didnt that would blow.
__________________________________________________
1990 250F. ex300 motor swap, 15/42 gearing, flush side markers, newgen intergrated front fairing, rear integrated turn signals, DB Touring Bubble, zx600 rear shock, Custom DanMoto Exhaust |
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June 20th, 2012, 09:54 AM | #9 |
ninjette.org member
Name: Dave
Location: Lisle
Join Date: Apr 2012 Motorcycle(s): 2003 Goldwing GL1800, 2002 Ninja 250, 2001 VFR800, 1999 Ducati 996 Posts: 107
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Does the wheel wobble for side to side, like a bent rim, or is the wobble vertical..?? If the rim stays constant but the tire varies in height, I am wondering if it's mounted correctly or if there is an issue with the tire itself.
You can statically balance the wheel yourself using a pair of axles stands, or anything that is tall enough and keeps the axle level. No matter where you place the wheel, it should stay in place. If it moves on it's own then it is out of balance. Not as good as dynamic balancing, but much better than no balancing. |
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June 20th, 2012, 09:55 AM | #10 |
wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
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if the axle is fixed, and the wheel wobbles on the fixed axle, the axis that the outer wheel is rotating on is different than the axle. the wheel is bent.
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June 20th, 2012, 10:09 AM | #11 |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
MOTY - 2016, MOTM - Dec '12, Jan '14, Jan '15, May '16
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If the wheel rotates in a straight way and the tire doesn't, then the lips of the tire have not been set properly.
There is a color dot on the side of the tires (it indicates the lightest point of the tire) that should be by the valves. You can take them back to the shop or try to fix and balance them by yourself.
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June 20th, 2012, 10:18 AM | #12 |
ninjette.org dude
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Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
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Aligning the rear wheel isn't hard, but it's not immediately intuitive either.
DIY- Chain Adjustment and Rear Wheel Alignment
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