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clunking in front forks?

S

stripperguy

Just got it firing!
Joined
Feb 19, 2016
Messages
22
Location
Schenectady, NY
I just noticed that the forks on my son's insurance wreck 2015 V7 Stone has a definite "clunk" when rapidly compressed. I shouldn't think that's normal...
Even though this bike is a wreck, we can find little evidence of a crash of any sort, and it's only got 203 miles on it. For tubes appear straight, as does all of the bike.

Any ideas on what might cause this clunking? I haven't put an indicator on it yet, but I can't feel any lateral motion by hand.
 
Noises are about impossible to diagnose on a forum. Is it possible you are bottoming out the suspension?
 
Pick up the front end and wiggle the forks back and forth. Just put it on the center stand if it has one and hold the back down. A noise like you are describing I have found in several instances to be loose steering head bearings. Another possibility is if the brake calipers or disks are floating and you are hearing them hit the stops. Not sure how a V7 is set up.
 
I actuated the front brake and forced the forks to move...unlikely I could bottom them out, I'm a welterweight!
I guess we'll have to lift it up and verify that the head bearings are snug.
Are there any known problems with the forks? I don't even know who makes them.
 
No known issues. Forks are Kafia, and I would start by checking the oil level. See the suspension thread in this section.
 
A clonking noise is always heard when you press down the handlebars with the frond brake applied.This is due to the floating disc,as abbienormal said.To make sure this is not the cause, place front wheel against an obstacle and do the same thing without applying the front brake ,you should only hear a low 'ffsss' noise which is normal.
Of course its not normal to be able to bottom out the suspension as you described.
 
GEO said:
A clonking noise is always heard when you press down the handlebars with the frond brake applied.This is due to the floating disc,as abbienormal said.To make sure this is not the cause, place front wheel against an obstacle and do the same thing without applying the front brake ,you should only hear a low 'ffsss' noise which is normal.
Of course its not normal to be able to bottom out the suspension as you described.
Click to expand...

Haa!!
I blocked the front wheel against a wall in the garage and flexed the forks and....



Silence!!

I guess it didn't sink in what abbie was saying about the floating disc.
Whew, another imagined disaster averted.
You guys do know your stuff.
Thanks again.
 
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