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Clunk on braking

Started by andyj , Sep 20 2006 08:02 am

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34 replies to this topic

#21 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 19 April 2007 - 11:18 am

I have similar clunking noise on my Mk2.

I tightened the steering until it was too tight and then backed it off - so it is not that

.

I now have a different front wheel - so it isn't that either

.

It is not the calipers as it happens when not braking too - so it can't be that too

.

When changing fork oil I noticed some scuff marks and damage on the fork slider bearings but the marks looked to be only in the teflon coating - woohoo

, it must be that.

Can't be arsed to change them so I am living with it as it doesn't seem to affect the handling

.

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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#22 Guest_GuyGraham_*

Guests

Posted 19 April 2007 - 11:38 am

QUOTE(Jez @ Thu 19th Apr 2007, 12:03 PM) <{POST_SNAPBACK}>

I have similar clunking noise on my Mk2.

I tightened the steering until it was too tight and then backed it off - so it is not that

.

I now have a different front wheel - so it isn't that either

.

It is not the calipers as it happens when not braking too - so it can't be that too

.

When changing fork oil I noticed some scuff marks and damage on the fork slider bearings but the marks looked to be only in the teflon coating - woohoo

, it must be that.

Can't be arsed to change them so I am living with it as it doesn't seem to affect the handling

.

When I was trying to eliminte my clunking, I put all new fork slider bushes in - it was just as bad, so its not them either

Edited by GuyGraham, 21 April 2007 - 02:52 pm.

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#23 dandywarhol

Carpe Citizen

Supporting Member(thanks)
5,324 posts

Location:Edinburgh, Scotland
TDM model: 2003

Posted 19 April 2007 - 09:20 pm

I reckon the clunk is the spring moving in the tube - nothing to worry about - my 850 did it - I wonder if that's why the 900 has a short spring and big spacer tube..................

1967 Yamaha TD1C 250, 2014 Kawasaki W800, ~~2011 Aprilia Tuono 1000 V4~~, 2020 Yamaha XSR900

"At the cutting edge of technophobia"

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#24 wicklamulla

is it Jizzy Rascal time yet.....?

Supporting Member(thanks)
12,211 posts

Location:Parish of Cruwys (pronounced 'Cruise' just loike Tom) Morchard, Mid Devon.
TDM model: 1999

Posted 19 April 2007 - 11:25 pm

anyone try winding in the fork preload all the way to see if that quietens it down a little bit ?? to be honest if i hear it i never worry bout it.

~~spyball alarm/immob,~~ bluespot brake calipers and Stainless hoses, Fournales air adjustable shock with Remote Resevoir, forks raised 10mm thru yokes, racetech linear fork springs in 15 wt oil, Kappa wingrack/luggage, heated grips, Kedo handguards, dual heat controller to power heated jacket liner and or pants!!, Stebel 136DB horn, K&N air filter, colour matched Baglux tank cover (magnetic tank bag modified to fit cover), osram +50% headloight bulbs, headlight protector,"~~NitramSpecial" parking loight, tail light~~ indicators all running on LED's & incorporate "Lite Buddies", MK7 Scottoiler fitted, taller screen, 2-2 stainless steel CCC's, Devil stainless down pipes. MKI Renntec engine crash bars & sump guard.
engine changed july 2007 on a dyno run it made 79.1BHP / Torque 59.9Had a brief flirtation with a 1999 MKIIa but it blew an exaust valve on the M5 so was sold on to be repaired.

I loike tay and hang sangwiches !

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#25 Boštjan

arrived on last train

Members
7 posts

Location:Slovenia
TDM model: 2005

Posted 20 April 2007 - 08:28 am

QUOTE(wicklamulla @ Fri 20th Apr 2007, 01:10 AM) <{POST_SNAPBACK}>

anyone try winding in the fork preload all the way to see if that quietens it down a little bit ?? to be honest if i hear it i never worry bout it.

Fork preload or damping setting doesn't help.

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#26 Guest_GuyGraham_*

Guests

Posted 20 April 2007 - 03:45 pm

QUOTE(dandywarhol @ Thu 19th Apr 2007, 10:05 PM) <{POST_SNAPBACK}>

I reckon the clunk is the spring moving in the tube - nothing to worry about - my 850 did it - I wonder if that's why the 900 has a short spring and big spacer tube..................

well the Race Tech springs in my forks are much shorter than OEM springs and have a long spacer tube - so it aint that

Edited by GuyGraham, 21 April 2007 - 02:52 pm.

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#27 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 20 April 2007 - 07:46 pm

QUOTE(Jez @ Thu 19th Apr 2007, 12:03 PM) <{POST_SNAPBACK}>

When changing fork oil I noticed some scuff marks and damage on the fork slider bearings but the marks looked to be only in the teflon coating - woohoo

, it must be that.

Can't be arsed to change them so I am living with it as it doesn't seem to affect the handling

.

QUOTE(GuyGraham @ Thu 19th Apr 2007, 12:23 PM) <{POST_SNAPBACK}>

I put all new fork slider bushes in - it was just as bad, so its not them either

Thanks for that, GG. I don't need an excuse to avoid changing the bushes but extra ammo never hurt

Edited by Jez, 20 April 2007 - 07:47 pm.

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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#28 jht

has been here 4ever

Member
1,769 posts

Location:surrey/hants border
TDM model: 1996

Posted 20 April 2007 - 08:17 pm

QUOTE(Jez @ Thu 19th Apr 2007, 12:03 PM) <{POST_SNAPBACK}>

I have similar clunking noise on my Mk2.

I tightened the steering until it was too tight and then backed it off - so it is not that

.

I now have a different front wheel - so it isn't that either

.

It is not the calipers as it happens when not braking too - so it can't be that too

.

When changing fork oil I noticed some scuff marks and damage on the fork slider bearings but the marks looked to be only in the teflon coating - woohoo

, it must be that.

Can't be arsed to change them so I am living with it as it doesn't seem to affect the handling

.

Come on Jez, crack out the ol'pinhole and chuck up some shots of the modded steed!!

Done: Homo sap navigation/ twisty thing on bars to make it go vroom/ grabby thing to make it stop (in front of twisty thing)/ 'leccy things front and rear to make it glow at night/ Sucky + drippy oiler thing to keep chains moist (!!) / Laser Pro Stock Race pipes / bleeding ear drums (see previous mod)
To do: Educate homo sap nav system to operate twisty + grabby things/ get ear plugs

~~All Trashed Now... Pants... its a Cat B~~ Mwahahaha it lives again!!

Remember every driver is a deaf myoptic twat who is out to kill you, ALWAYS assume they are going to do THE most f*cking DUMBASS, STUPID manouver possible, at the worst possible moment; get past, and get past quick

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#29 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 21 April 2007 - 10:52 am

QUOTE(Jez @ Thu 19th Apr 2007, 12:03 PM) <{POST_SNAPBACK}>

I now have a different front wheel

QUOTE(jht @ Fri 20th Apr 2007, 09:02 PM) <{POST_SNAPBACK}>

Come on Jez, crack out the ol'pinhole and chuck up some shots of the modded steed!!

Okily dokily, don't mind if I do 'cos I think it looks ok

. Just won't be today 'though. Now where did I put the Box Brownie and that newfangled posh sepia paper.......?

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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#30 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 22 April 2007 - 06:57 pm

Ok, check out my 17 incher:

A mate has a 17 incher fitted with a low profile sports tyre which leaves a big orrid gap twixt it and t'mudguard. The Z6 shown here looks much better IMHO.

The whole setup is great. The steering now has no weight and stability is not affected. A very highly recommended mod

.

Edited by Jez, 22 April 2007 - 07:03 pm.

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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#31 Guest_GuyGraham_*

Guests

Posted 23 April 2007 - 11:40 am

QUOTE(Jez @ Sun 22nd Apr 2007, 07:42 PM) <{POST_SNAPBACK}>

Ok, check out my 17 incher:

A mate has a 17 incher fitted with a low profile sports tyre which leaves a big orrid gap twixt it and t'mudguard. The Z6 shown here looks much better IMHO.

The whole setup is great. The steering now has no weight and stability is not affected. A very highly recommended mod

.

What's the wheel from?

to lower the front mudguard, a few washers, or spacers, between mudguard and fork lugs will lower it

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#32 TonyDevil

seagull squadron leader & founding member of GoatTracKrew

Supporting Member(thanks)
9,336 posts

Location:Saarfend-on-Sea, Essex
TDM model: 1991

Posted 23 April 2007 - 12:21 pm

how much does it affect the speedo?

"Never argue with an idiot. They just bring you down to their level and beat you with experience"
My TDM :
Black 1991 850 MK1, 160k+ miles(ish, best guess really, gave up trying to keep count after 3rd set of clocks and 3rd engine), PilotRoad2 tyres, custom stubby exhaust system, bluespot calipers & goodridge braided hoses with dunlopads, maxton forks, Ohlins shock, kedo handguards, stainless TDM grill, Scottoiler with lubetube & dual nozzle thingy, Givi Wingrack2 with E45 & 2xE36s, renntec crash bars, Autocom with blueteeth & PMR radio, TomTom Rider2, Optimate IIIsp, Bagster tank cover, anti-dazzle coating
to fit : led spotlights, heated grips, new braided lines and rear caliper that actually has bleed nipples
Silver-ish 2003 900, 70k miles, PilotRoad3 front tyre (new@65k) & PR2 rear(new at 69k), Renthal 755 bars with KTM handguards, oxford unheated grips, power commander 3usb, scorpion titanium exhausts, standard screen with vario winglet thingy, stainless grill, oem centre stand, bagster tank cover, givi monokey topplate mounted on grabrail with V46 topbox, Givi PL pannier rails with E21s, crash bungs, mirror extender thingys, Halfords Advanced Laser Blue brillance bulbs, 21w led spotlights, touring scottoiler with leehenty dual nozzle, Autocom with blueteeth & PMR radio, TomTom Rider3 Urban, winter style anti-dazzle coating
to fit : led brake light strip, replacement heated grips
current rides : TDM850 3vd/mk1=tourer&scratcher, TRX850=weekend twisty toy, 2003 TDM900=commuter, 2005 TDM900=unmolested. Gone but not forgotton : XTZ750=overland touring toy, GS500e, GS125
If a strange looking truck driver honks at you & gives you the thumbs up, its could be me

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#33 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 23 April 2007 - 02:45 pm

QUOTE(GuyGraham @ Mon 23rd Apr 2007, 12:25 PM) <{POST_SNAPBACK}>

What's the wheel from?

to lower the front mudguard, a few washers, or spacers, between mudguard and fork lugs will lower it

It is from a 1989 FZR1000 EXUP. The spacer on the right will have to be turned down by 2mm to fit int the EXUP dust seal.

Good idea about lowering the mudguard. As I am not short of stainless washers this will get some consideration.

QUOTE(Toneski @ Mon 23rd Apr 2007, 01:06 PM) <{POST_SNAPBACK}>

how much does it affect the speedo?

I measured the two wheel diameters (including tyres) with a tape rule and calculated a 5% difference in the circumferences. This would seem to be true in practice. It is a blessing in disguise actually. Because the speedo reads high I am actually not going as fast as it says.

Edited by Jez, 23 April 2007 - 02:46 pm.

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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#34 Guest_GuyGraham_*

Guests

Posted 23 April 2007 - 05:30 pm

QUOTE(Jez @ Mon 23rd Apr 2007, 03:30 PM) <{POST_SNAPBACK}>

It is from a 1989 FZR1000 EXUP. The spacer on the right will have to be turned down by 2mm to fit int the EXUP dust seal.

Good idea about lowering the mudguard. As I am not short of stainless washers this will get some consideration.
I measured the two wheel diameters (including tyres) with a tape rule and calculated a 5% difference in the circumferences. This would seem to be true in practice. It is a blessing in disguise actually. Because the speedo reads high I am actually not going as fast as it says.

Is that 2mm on the dia or 2mm length.
Is everthing else OK for a drop in fit ie disc to disc length, wheel spindle dia, speedo drive etc.

Ever thought of doing the back wheel to get a matching pair of 3 spokes

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#35 Jez

Knight of Postsalot

Member
722 posts

Location:Norfolk by the sea
TDM model: no more

Posted 24 April 2007 - 03:48 pm

It's 2mm off outside diameter. Everything else goes straight in. Using TDM spindle, speedo drive and discs.

I am not tempted to do the rear as I am happy with the Z6 and function is more important to me than form. So far I am lucky that IMHO the mods I have done fit in with both of these.

Also I do not know of a wheel that will easily fit in the rear. I did ask on this thread some while ago but the lack of response suggests it is not a common mod.

Red and black '96. Blue spot Thunderace calipers with braided two-line front hoses - 'kin brill. 17 incher out front. Renthal street/trail bars - vibe free. 1150GS brush guards. HIDs - niiiiice. Stebel Magnum - crikey. Nonfango hard luggage. Nexxus. SW-Motech center stand. Had a Powerbronze tall screen - too noisy - went back to standard.

Stealth Diamond Black 900 with lurvely black frame. GS brush guards. HotGrips on a relay - cos I keep forgetting. SW-Motech center stand and engine bars. LED rear light. Vario set to min. 17 incher. PR2s.

All now a fond (very fond) memory. Maybe again some day.

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Clunk on braking

#21 Jez

#22 Guest_GuyGraham_*

#23 dandywarhol

#24 wicklamulla

#25 Boštjan

#26 Guest_GuyGraham_*

#27 Jez

#28 jht

#29 Jez

#30 Jez

#31 Guest_GuyGraham_*

#32 TonyDevil

#33 Jez

#34 Guest_GuyGraham_*

#35 Jez

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