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-   -   Clunk mid way through fork compression ( https://www.xt660.com/showthread.php?t=20302)

Hamslay 14-02-13 19:41

Clunk mid way through fork compression
 
I was just sitting on my XTR in the garage wishing my legs were longer (!) and started bouncing the front of the bike, which I've only had a fortnight. I noticed that there's a clunk from the forks in the middle of the compression stroke. It's not a bang like bottoming out, and the forks do continue to compress, but there's an obvious clunk. Is this normal? I'm sure I've not noticed it on previous bikes...

Pleiades 14-02-13 19:52

Are you sure it's not the pads shifting in the calipers. The pads shift fore and aft on their mounting pins a little and make a clunking sound which resonates through the fork legs and can sound like dodgy forks. My XTZ makes a noise from the calipers when you bounce it holding the front brake on. Try chocking the front wheel against a wall with a block of wood and bounce the front to rule out any clunking and clanking from the brake.

Mort 14-02-13 21:12

That's not right.How many miles.?:snooze[1]:

Hamslay 14-02-13 21:17

Quote:

Originally Posted by Pleiades (Post 184353)
Are you sure it's not the pads shifting in the calipers. The pads shift fore and aft on their mounting pins a little and make a clunking sound which resonates through the fork legs and can sound like dodgy forks. My XTZ makes a noise from the calipers when you bounce it holding the front brake on. Try chocking the front wheel against a wall with a block of wood and bounce the front to rule out any clunking and clanking from the brake.

Thanks. I'll give it a try in the morning.

Hamslay 14-02-13 21:18

Quote:

Originally Posted by Mort (Post 184363)
That's not right.How many miles.?:snooze[1]:

2500! :D

Mort 14-02-13 22:16

Take it back mate.

Hamslay 14-02-13 22:28

:biggob:

Quote:

Originally Posted by Mort (Post 184369)
Take it back mate.


Hamslay 15-02-13 14:49

I've just taken the bike over to my local dealer for a check-up. The warranty ends next month so I wanted them to take it for a spin and check all is well.

They listed a number of things that would be audible with the forks, including Pleiades' suggesting of shifting pads. After 5 minutes being checked over by the head tech, and a 15 minute test ride, the bike got a big thumbs up! Phew!

So, Pleiades scores 2 points for possibly being correct and making me feel better, and Mort scores -10 points for trying to scare the crap out of me! LOL!

:HappyRoll_ANPIUI:

hermy 15-02-13 19:16

Check steering head bearings too, a clunk or click can point to this when applying the front brake. I have just done mine at 9k miles as Yamaha dont seem to like grease.

mash101 17-02-13 16:42

My X did that - I'm almost sure its the brakes moving about, as its got floating disc....


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