Shudder on front end,f1 flashes 6 times - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 7 (permalink) Old 07-11-2014, 02:27 PM Thread Starter
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Shudder on front end,f1 flashes 6 times

Folks just bought a sp1 with 40 thou on her got her for 1400 euro on a 00 plate first prob is she shudders violently when braking so prob discs or tyre which has lumps on it ?.

Next I have f1 light flashing 6 times. Was told temp sensor ?. Where can I get full list of warning signs ?,

Only new to this so hello to ye all I spent 10 years waiting for an sp1 she is with me for keeps getting her painted in cast roll colours once all mechanical issues sorted and where is best sites for a front mudguard and all parts for her thanks lads and hello from Ireland
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post #2 of 7 (permalink) Old 07-11-2014, 02:51 PM
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Download the service manual here:
http://www.rc51.info/index.php?page=service

As for the shudder, if it only happens during braking, you've probably got at least 1 warped rotor that will need replacing.
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post #3 of 7 (permalink) Old 07-11-2014, 03:00 PM
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To add on about the rotors, if you have the wave style rotors make sure they wave clocking is off.

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Last edited by SubSailor; 07-11-2014 at 03:04 PM.
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post #4 of 7 (permalink) Old 07-11-2014, 03:05 PM
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Quote:
Originally Posted by James_03_rc View Post
To add on about the rotors, if you have the wave style rotors make sure they wave clocking is off.

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To embellish, make sure the wave rotor slots are out of phase by one bolt hole, so the pads don't dip in and out of the slots simultaneously.
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post #5 of 7 (permalink) Old 07-12-2014, 03:13 AM Thread Starter
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Thanks lads fair play to u
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post #6 of 7 (permalink) Old 07-16-2014, 03:50 PM Thread Starter
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Lads there was no play in headstock atall and the discs were only .2 mm out so I think it was the bumps on the very old and lumpy tyre
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post #7 of 7 (permalink) Old 07-16-2014, 03:56 PM
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Tread pattern can cause issues when the tire wears as well.
I remember an old bike I had came with Dunlop D207 that that "S" shape tread pattern.
When the tire had a few miles on it, I would get a wiggle in the bars constantly.

I thought steering head bearings, wheel bearings, etc.
But then I replaced the Dunlop with Pirelli (which had a different tread pattern) and no more problems.
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