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Bike front unstable at speeds
Hi Guys any advise one makingthe front end stable at around 130KM/H have a hectic wobble?
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Kev fork spacers, change fork oil to 15w, drop forks through the clamps by 10mm. As long as you are not off roading. Try doing a search all the answers are here soom where good luck mate
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Tyre combinations is the biggest problem on the XT, make sure the same make & model front & rear tyres are fitted, correct size tyres fitted, tyre pressure set correctly. Steering head bearings are ok & not adjusted to tight, swinging arm free play, wheel bearing free play, the list can go on.
A lot of the front end wobble is from the rear tyre, I have recently fitted a new front tyre on my XTX with a 70% worn rear tyre & now have a twitchy front end over 130kph. I know when I fit a new tyre soon it will fix the front end, this has happen to me a few times now.
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Click here to join the XT Supporter's scheme Mods that I have done to my XTX's My 04 XTX Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil / [ My 07 XTX Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator / My 09 XTX 59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details Now ride a 2018 MT09SP ABS + TCS My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946 |
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Funny thing i dropped the rear tyre pressure from 2.1 bar to about 1.9 and today 2 up at 140kmh very stable??
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Try driving at the speed limit 120....you will see the XTR or XTX is very stable...
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