Head shake

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 6:15 pm

Took my hands of the bars to adjust gloves and she got the wobblies up really bad, really fast

Bit of a worry going down a hill at 80.
Let go on the flat as well to test and she shakes straight away

Tyre pressure check revealed no probs, both front and rear at 45 lb's with warm tyres.
Any ideas?

Post by **Wattie** » Sat Sep 12, 2009 6:29 pm

bridgestones?? i had bt14's on the Z ans it had a little wobbles with no hands, not what i'd class as head shake but.

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 6:35 pm

Wattie wrote:bridgestones?? i had bt14's on the Z ans it had a little wobbles with no hands, not what i'd class as head shake but.

Did scrub the tyre a little last week when she....uhm.....fell over

Stock Bridgestones yes!
Worst wobble I ever had at such a low speed though, does it at 60 too

P4nza · Post by **P4nza** » Sat Sep 12, 2009 6:38 pm

get a steering dampner that might help?

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 6:47 pm

P4nza wrote:get a steering dampner that might help?

Looked at the damper adjustment (lower fork) it has been turned around a bit from the mud.
Goose neck not real tight either...
I'll readjust tomorrow morning and test it out

Thanks guys.....
Hadn't even thought of the damper till I read that

P4nza · Post by **P4nza** » Sat Sep 12, 2009 6:50 pm

no worries mate... i dont even have one so i dont know how i thought it up

Post by **Wattie** » Sat Sep 12, 2009 6:51 pm

seiko1 wrote:
P4nza wrote:get a steering dampner that might help?
Looked at the damper adjustment (lower fork) it has been turned around a bit from the mud.
Goose neck not real tight either...
I'll readjust tomorrow morning and test it out
Thanks guys.....
Hadn't even thought of the damper till I read that

thats not a steering damper dude, that your Compression damping,

the mega barges dont come with a steering damper, unless you have an aftermarket one??

if the wobble isnt there with the hands on the bars i wouldnt worry, as i said, the bridges seem to do that a little when no hands on deck.

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 7:03 pm

P4nza wrote: no worries mate... i dont even have one so i dont know how i thought it up

Well if that doesn't fix it we'll see how we go with the new tyres, week after next I expect

oldmate · Post by **oldmate** » Sat Sep 12, 2009 7:14 pm

I had a very similar problem on my ZZR years ago take your hands off the bars at 80 and when it got to around 60 the bars would start to shake big time turned out to be a worn front tyre. New tyre no shakes

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 7:30 pm

oldmate wrote:I had a very similar problem on my ZZR years ago take your hands off the bars at 80 and when it got to around 60 the bars would start to shake big time turned out to be a worn front tyre. New tyre no shakes

Shhhhhhhhhhh, don't talk about worn tyres.............Marty might be listening

mick_dundee · Post by **mick_dundee** » Sat Sep 12, 2009 7:31 pm

I had it on my old ZZR too, but only after getting a new front tyre fitted at Cosway, never went back there again, fixed it by accident, literally, smakced head on into the mud wall at St Andrews, stuffed front wheel amongst a few other thngs, new front wheel and tyre and voila no slappers

IsleofNinja · Post by **IsleofNinja** » Sat Sep 12, 2009 7:37 pm

You may have thrown a wheel weight during your ............... ummm ............ oops

..

Another common one is dirt/twigs/boulders/nanny goates getting stuck between the tyre bead and the rim which knocks the balance right out of wack plus throws the tyre out of round.

I'd get the front tyre pushed off the bead , cleaned , re - balanced and try again .......

seiko1 · Post by **seiko1** » Sat Sep 12, 2009 7:40 pm

IsleofNinja wrote:You may have thrown a wheel weight during your ............... ummm ............ oops ..

Another common one is dirt/twigs/boulders/nanny goates getting stuck between the tyre bead and the rim which knocks the balance right out of wack plus throws the tyre out of round.

I'd get the front tyre pushed off the bead , cleaned , re - balanced and try again .......

She's all locked up now but I'll look at the wheel weights tomorrow.
Cheer's all.....way past beer o'clock now, I'm outa here

Blurr · Post by **Blurr** » Sat Sep 12, 2009 8:01 pm

Wattie wrote:
seiko1 wrote:
P4nza wrote:get a steering dampner that might help?
Looked at the damper adjustment (lower fork) it has been turned around a bit from the mud.
Goose neck not real tight either...
I'll readjust tomorrow morning and test it out
Thanks guys.....
Hadn't even thought of the damper till I read that

thats not a steering damper dude, that your Compression damping,

the mega barges dont come with a steering damper, unless you have an aftermarket one??

if the wobble isnt there with the hands on the bars i wouldnt worry, as i said, the bridges seem to do that a little when no hands on deck.

it must be just a BT014 issue as I never have that problem with the BTO16's. I can ride down the whole finishing section of the Old road with no hand bends and all without a prob.

Neilp · Post by **Neilp** » Sat Sep 12, 2009 8:32 pm

Head shake = Tyres, Tyres, Tyres!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Neil

Kawasaki Sportsbike Riders Club - Australia - Online Forum

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