wobble when motor brakes - Honda CRF1000L Africa Twin Forum
 
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post #1 of 5 (permalink) Old 05-12-2019, 04:09 PM Thread Starter
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Join Date: May 2019
Location: Canary Islands
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wobble when motor brakes

Hi Folks;

Im just registered

Im experimenting/suffering a secuence of wobbles and vibrations in the nose of the bike when I use the motor brake in low gears like 2th or 3th.

The sensation is like the front wheel becames square only at this moment. I feel the front of the bike moving Up and down for a few seconds. If I pull the cluth and only I use the brake; The bike doesnt wobbles and doesnt makes vibratios. So that makes me wonder If the issue comes from the engine.
Now I guess the engine moves the front of the bike like if not were balanced properly.
I guess could be the clutch too.

I dont know where the problem comes from, but I know there is a problem.

I have checked wheels; Even I changed it after the issue
I checked suspension an its configuration (I have tried all configurations, from the softest to the hardest)

Thanks for your opinions in advance

Last edited by siroco; 05-12-2019 at 04:15 PM.
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post #2 of 5 (permalink) Old 05-13-2019, 08:29 PM
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Possible fluid issue. One side more or less than the other? Sticking forks?
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post #3 of 5 (permalink) Old 05-13-2019, 09:31 PM
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Start by checking that you have the proper sag in the suspension. Also make sure that the drive chain is not to loose.
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post #4 of 5 (permalink) Old 05-14-2019, 11:35 AM
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I had the same problem on my Kawasaki concourse. At about 40mph & below, if I let go of the handlebars the bike would start to get a head shake. The front tire was the problem, had about 2,000 miles on the tire which was a Michelin PR-2 , replaced tire head shake gone. The new tire was the same brand Michelin PR-2. Never did find out why that tire caused the head shake problem.
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post #5 of 5 (permalink) Old 05-14-2019, 10:33 PM
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Check tire pressure, maybe?
Tire out of balance will also cause a hop or vibration like that.

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