Rear Wheel Squeel when not braking?

2513 Views 9 Replies 5 Participants Last post by AesonVirus, Aug 29, 2016

BWAAARP

Discussion Starter · Jan 21, 2016

Hi guys,

New R3 owner here. Bike only has about 2000km on it so still brand new

Just noticed after my first service that I can hear a squeel/squeeking sound (similar to a brake squeel in a car) that seems to come around with each tyre rotation at very low speeds (5-10km/h)

The motor sound drowns it out as soon as you go 15km/h+

I've found if I tap the rear brake it will silence this sound, but obviously it's pretty inconvenient to hold the rear brake down every time you want to crawl around at 10km/h (carparks etc).

It seems like this only came up after it's first 1000km service.

Does anyone have any ideas on how to fix or what could be causing it before I go back to Yamaha

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Stirz

· #2 · Jan 21, 2016

From your description, sounds like your rear brake may be dragging.

Go ride it a bit and try not to use the rear brake. Stop and feel the rear brake rotor (carefully) - is it hot, or even warm to the touch? If so, brake drag.

Possible causes:

A) Check rear wheel alignment, which may have changed during servicing (tightened one axle adjuster more than the other) - correct if off.
B) Caliper may be sticking - remedy with liberal use of brake cleaner.
C) Operator error - is your foot resting on the brake pedal when you ride?

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BWAAARP

Discussion Starter · #3 · Jan 21, 2016

Stirz said:
From your description, sounds like your rear brake may be dragging.

Go ride it a bit and try not to use the rear brake. Stop and feel the rear brake rotor (carefully) - is it hot, or even warm to the touch? If so, brake drag.

Possible causes:

A) Check rear wheel alignment, which may have changed during servicing (tightened one axle adjuster more than the other) - correct if off.
B) Caliper may be sticking - remedy with liberal use of brake cleaner.
C) Operator error - is your foot resting on the brake pedal when you ride?

Thanks Stirz!

Will give those a shot.

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BWAAARP

Discussion Starter · #4 · Jan 22, 2016

Ok so, rotor doesn't seem to get hot or warm when not using the rear brake - so I don't 'think' its dragging excessively nor is it operator error.

I went and got myself some Bendix Brake Cleaner and gave the rear disc a good clean, making sure to leave a little on the surface to get into the pad. Noise seemed to disappear? Good news! Then this morning before work I put a little more on just to be safe, noise still gone? Good news! Get to work.. Noise is back. Now I note that you mentioned the caliper may be sticking, what area of the caliper would you actually recommend I try to get the brake cleaner into? I did try to get some in and around the caliper (careful of it getting on painted surfaces

).

I'm going back to Yamaha tomorrow to get them to look, but on the phone they've said they wouldn't have touched the rear wheel at all during first service so I'm kind of feeling lost now (and not very hopeful for tomorrows results).

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Stirz

· #5 · Jan 22, 2016

Have them check rear wheel bearing just in case.. post up what you find out, or how it was resolved.

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BWAAARP

Discussion Starter · #6 · Jan 27, 2016

Went back to my local Yamaha, less than impressed to say the least.

Explained the issue to the mechanic at the service department, was met with a confused look and a "yeah bring it round ill take a look" which already made me think "this is not going to be very thorough."

Enough of the narration though, long story short he messed around with it for about 10minutes before driving it back around the front and told me he couldn't find anything other than the chain being a bit loose so he tightened it up.

I asked what about a wheel bearing or rear brake dragging etc and the reponse was "Yeah nah all looks fine"

I got another dumb look when I asked "Ok so what if it still makes the noise?" and just got a "yeah dunno."

Tl;dr I still have the noise and I don't even know what to do anymore. I have a brand new bike with an annoying squeek that is now also noticable when just rolling the bike (reversing) backwards into a car bay.

I do a LOT of KM's (already 2700kms in 1 month of ownership) so I'm thinking I'll just wait till the 5000km service and take it to a different Yamaha dealership..

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Capitalview

· #7 · Jan 28, 2016

I would pull the rear caliper off and see if you got a rock or something lodged in there. I can't remember if you can take the caliper off without having to take the wheel off. My wheels are out getting powder coated so I can't check.

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BWAAARP

Discussion Starter · #8 · Jan 29, 2016

Capitalview said:
I would pull the rear caliper off and see if you got a rock or something lodged in there. I can't remember if you can take the caliper off without having to take the wheel off. My wheels are out getting powder coated so I can't check.

Thanks for the advice Capitalview!

Honestly, I don't feel too confident playing around with the calipers and brakes on a motorbike just yet. I guess I'll throw that idea around with the mechanics at the next service though.

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Juan

· #9 · Aug 29, 2016

BWAAARP said:
Hi guys,

New R3 owner here. Bike only has about 2000km on it so still brand new Just noticed after my first service that I can hear a squeel/squeeking sound (similar to a brake squeel in a car) that seems to come around with each tyre rotation at very low speeds (5-10km/h)

The motor sound drowns it out as soon as you go 15km/h+

I've found if I tap the rear brake it will silence this sound, but obviously it's pretty inconvenient to hold the rear brake down every time you want to crawl around at 10km/h (carparks etc).

It seems like this only came up after it's first 1000km service.

Does anyone have any ideas on how to fix or what could be causing it before I go back to Yamaha ?

Hi, my name's Juan from Spain, first of all i would like to apologize for my bad english. I'm an owner of a new brand R3 and I got the same problem you discribe. I took my r3 to Yamaha. After looking for several things, they decided to change the rear wheel bearings. I'm waiting for the bike and hope the problem is gone.

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AesonVirus

· #10 · Aug 29, 2016

Why not just toss the thing up on a rear stand so you ca get a closer/better look at what's making noise when the rear tire is rotating?

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