Clunking When Hard Braking
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Road Master
Joined: Mar 2012
Posts: 939
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From: WA
Clunking When Hard Braking
I took the bike out to do some emergency stops and I can hear a few clunks while under heavy brake. Sounds like what most describe to be the compensator. It it possible to have the comp make noise in this scenario. Any tips appreciated. The nearest dealer is 2 hrs away and want to know a little more before I contact them. Thanks.
Extreme HDF Member
Joined: Sep 2010
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From: Phoenix '53, '88, '09 Big Twins
panic stops include pulling the clutch too*- so that should take the comp out of the equation.
*rear traction control should be done with the brake as "engine braking" will be a variable and will change the way the brake controls traction ( skidding)
Mike
*rear traction control should be done with the brake as "engine braking" will be a variable and will change the way the brake controls traction ( skidding)
Mike
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Road Master
Joined: Mar 2012
Posts: 939
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From: WA
I've felt the ABS before on previous panic practice stops so I'm used to the feel of that. Just never heard this clunking before. RaceFace, I only tried it with both brakes but I have linked brakes so I don't think it would make a difference.
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Road Master
Joined: Mar 2012
Posts: 939
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From: WA
That's a good question fattybob. I was assuming it was the motor area so my mind never thought to check if it may be coming from the brakes. I'll have to go give it another spin and pay a little closer attention. Thanks all. Will report back after next ride.
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Seasoned HDF Member
Joined: Mar 2010
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From: Honah Lee
The compensator can wind either direction. I am sure if you are not quite timed correctly and use the engine as a brake a little quicker then the brake application. All that weight coming at the engine in a upper gear range has a lot more torque the the engine going the other way. I saw a sport bike expert (? ha) drop his girl friend's sporty coming to a fast stop when he popped it in low and let off the clutch too fast. Needless to say, it was hard not to smile with her screaming at him in the middle of the street. If that is what is banging, practice your timing. That is hard on the alternator rotor spline banging the compensator loud enough to hear it clack. You have the cush-drive damper in the drive pulley to protect. The compensator actually is designed to take the unevenness of the out of phase firing of a Harley.
Last edited by Jackie Paper; Mar 20, 2015 at 04:43 PM.
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Club Member
Joined: Jun 2007
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From: Bedford UK
Shouldn't do that unless the rotors are knackered!
Another possibility is that your forks are bottoming out, in other words fully compressing. Harley suspension is very poorly damped.
Another possibility is that your forks are bottoming out, in other words fully compressing. Harley suspension is very poorly damped.