August 20th, 2012, 11:09 AM | #1 |
ninjette.org member
Name: David
Location: Virginia
Join Date: Jun 2012 Motorcycle(s): '99 EX500 (road bike), '99 EX500 (race bike), '74 CB125S Posts: 55
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Tight rear wheel
I just replaced the chain and sprockets. Now the rear wheel seems to be extremely tight. It's hard to walk the bike around or even spin the wheel by hand. Any ideas?
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August 20th, 2012, 11:24 AM | #2 | |
ninjette.org guru
Name: Jason
Location: Houston, TX
Join Date: Nov 2011 Motorcycle(s): 2007 Ninja 250 (sold), '06 Ninja 650R Posts: 455
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Quote:
It could be: dragging rear brake Chain too tight bearings installed incorrectly wheel rubbing on swingarm chain rubbing on chain cover front sprocket rubbing on engine case (only if you installed an aftermarket spacer). If you have checked all that completly, a quick ride down the street and back should show the culprit. Just look for hot parts when you get back. |
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August 20th, 2012, 11:30 AM | #4 | |
ninjette.org member
Name: David
Location: Virginia
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Quote:
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August 20th, 2012, 11:35 AM | #6 |
ninjette.org guru
Name: Jason
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If the brake pads are seated correctly on the rotor, take it for a quick ride while being sure to use the rear brakes at least once. They will more than likely loosen up. If not then remove and reinstall the rear brake assembly and repeat.
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August 20th, 2012, 11:37 AM | #7 |
wat
Name: wat
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sticky brakes are usually a sign that the fluid needs to be changed. in extreme cases (racing) a stuck rear brake can actually melt the caliper. theres a thread with photos somewhere on this forum
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August 20th, 2012, 11:37 AM | #8 |
ninjette.org member
Name: David
Location: Virginia
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I'll try the brake fluid next.
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August 20th, 2012, 11:52 AM | #9 |
ninjette.org member
Name: David
Location: Virginia
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The inner pads are making it so the wheel won't spin. But this is only when I tighten the bolts which hold the caliper to the carrier.
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August 20th, 2012, 12:05 PM | #10 | |
ninjette.org guru
Name: Jason
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Quote:
Did you put on new brake pads as well? |
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August 20th, 2012, 12:37 PM | #12 | |
sail away
Name: Jon
Location: San Jose
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Quote:
What setting did you torque the axle nut to? Is there a gap between the far left spacer and the wheel race? There are 3 spacers, one being between the sprocket and the wheel. The one that looks like a top hat goes on the right side of the bike. The one that has a beveled edge and looks sort of like an ice cream cone goes between the sprocket and the wheel. The remaining spacer that looks like a cylinder goes on the outside of the sprocket. If you have mixed up the two spacers on either side of the sprocket you will have this exact problem. 3 guesses how I know! |
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August 20th, 2012, 01:31 PM | #13 | |
ninjette.org member
Name: David
Location: Virginia
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Quote:
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August 20th, 2012, 03:29 PM | #14 |
ninjette.org member
Name: David
Location: Virginia
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Still not working...
I tried removing the wheel following the procedure here: http://faq.ninja250.org/wiki/Removin...the_rear_wheel. The spacers are in correctly. I've tried compressing the caliper and went for a short ride (maybe 1/4 mile) and the rotor was too hot to touch. I've honestly no clue as to what's going on.
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August 20th, 2012, 03:53 PM | #15 | |
sail away
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Quote:
Are you sure you didn't do anything to the rear brake? Top off fluid, etc? Wheel is mounted straight? |
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August 20th, 2012, 04:35 PM | #16 |
ninjette.org member
Name: David
Location: Virginia
Join Date: Jun 2012 Motorcycle(s): '99 EX500 (road bike), '99 EX500 (race bike), '74 CB125S Posts: 55
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I just bled the brakes using a hand pump. The pedal feel is the same as before the wheel was originally removed. I don't think it's the fluid. The issue is the non-piston side of the caliper is too far toward the brake pedal side of the swing arm. It's rubbing against the rotor. I suppose a thin washer or gasket could solve it, but I'd rather know exactly what's causing it. As far as I can tell, the wheel is straight.
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August 20th, 2012, 04:53 PM | #17 |
wat
Name: wat
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are you sure the wheel spacer isnt backwards? its worth flipping it just for sanity sake
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August 20th, 2012, 04:57 PM | #18 | |
ninjette.org member
Name: David
Location: Virginia
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Quote:
Is there a specific way to putting on the chain tensioners? Does the raised edge go to the inside or outside of the swingarm?
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August 20th, 2012, 05:24 PM | #19 | |
sail away
Name: Jon
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Quote:
I just looked at my bike to confirm. The pad is not supposed to retract away from the rotor. There should be some contact on both sides, but no pressure. The rotor should also be in the middle of the caliper. In your pictures it is offset to the right. It still appears something is assembled incorrectly. Can you zoom out? |
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August 20th, 2012, 05:52 PM | #21 | |
ninjette.org member
Name: David
Location: Virginia
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Quote:
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August 20th, 2012, 06:19 PM | #22 |
Fix It Till Ya Break It
Name: Asspyre
Location: T.Dot
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Had a similar issue when I replaced my tires, turned out the be the pads were stuck on the retaining pin on top the caliper, took it out cleaned it and found flat spots where the pad rubbed on it. sanded it, lubed it, and put it back with no issues after.
have you tried putting it all together except the caliper and chain and see if its still tight? |
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August 20th, 2012, 06:25 PM | #23 | |
ninjette.org member
Name: David
Location: Virginia
Join Date: Jun 2012 Motorcycle(s): '99 EX500 (road bike), '99 EX500 (race bike), '74 CB125S Posts: 55
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Quote:
Update: The pads aren't stuck on the retaining pin. Still no clue what's going on.
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August 21st, 2012, 02:59 PM | #24 |
ninjette.org member
Name: David
Location: Virginia
Join Date: Jun 2012 Motorcycle(s): '99 EX500 (road bike), '99 EX500 (race bike), '74 CB125S Posts: 55
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So I took the bike to a friend's today. He said everything looked okay, but he wanted to try putting everything back on one more time. I'm not sure what he did differently. Everything works now. It appears the answer to this problem is sheer motorcycle wizardy.
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August 21st, 2012, 04:22 PM | #26 |
ninjette.org member
Name: David
Location: Virginia
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No he didn't. There was literally nothing changed except he put the caliper on instead of me.
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August 21st, 2012, 06:07 PM | #28 |
ninjette.org guru
Name: Jason
Location: Houston, TX
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I'm going to guess that the outside brake pad (the one against the caliper) was hung up on the mounting bracket.
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August 21st, 2012, 11:41 PM | #30 |
ninjette.org sage
Name: Matt
Location: San Diego, CA
Join Date: May 2012 Motorcycle(s): 2007 Triumph Bonneville; 2008 Ninja 250r (trackbike) Posts: 748
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I had this problem one time with my 2007 Triumph Bonneville...turns out I put the spacers on the wrong side.
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