Honda ST1300 Section > Brakes & Clutch ST1300

brakes with a mind of their own

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troy_s:
Hi All,
 Just got my 1300 returned from the workshop following a seized rear caliper due (apparently) to corrosion. Some shock regarding the repair cost but I guess thats just the nature of this hobby

The issue is that now I am experiencing what feels like the bike is having a minor epileptic fit. Engine is running smoothly so not an issue with fuel. Its like running over a series of small corrugations at uneven intervals. Is most evident when going at a steady speed.

 I have the mechanical aptitude of a wet rat with emphysema but im wondering if it may be related - possibly something that may cause the brakes to pulse on their own at uneven intervals. Showed the repairer who suggested that it may have something to do with the steering bearings although it was not evident prior to the surgery he completed.

 repairer has
- replaced front left caliper mount combined brake
-remove rear caliper, supply and fit caliper kit
- blead complete system
- replaced rear pads

thoughts please and appreciation for the same in advance.

troy_s:
Hi all,
 still no solution.
 I have never experienced this, so wondering if a failed bearing could/would show similar symptoms.

Biggles:
That "corrugations" sensation sounds like an ABS malfunction.  I wonder if the sensor is interfering with the sensor disk at the front or rear wheel, since the calipers were the last thing touched.

alans1100:

--- Quote from: Biggles on May 06, 2019, 05:58:59 PM ---That "corrugations" sensation sounds like an ABS malfunction.  I wonder if the sensor is interfering with the sensor disk at the front or rear wheel, since the calipers were the last thing touched.

--- End quote ---

I have yet to remove the front wheel on my 1300A so I can't say much about that other than the ABS sensor and ring are on the RH side so if the wheel was removed then maybe there's an issue the front sensor etc..

The 1300 from what I can see on mine is set up the same as the 1100A with the sensor and ring well away from the brake even when removing/refitting the wheel. No need to remove the rear sensor except for maybe a rare maintenance issue.

troy_s:
Hi Biggles,
 This sounds like a winner.
 How would I check this?

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