I was wondering if anyone on the xt-r install rim of xt-x? how it can be entered for approval or where to get the TUV certificate?

Yes it can be done. There are some threads floating around, do a search or wait for someone to post more info.

TUV approval is something you need to research locally, it's not an issue in Turkey

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I saw that someone was already interested in for this. but there was no useful information.

http://www.xt660.com/showthread.php?t=5716

There is other technical thread
http://www.xt660.com/showthread.php?t=4816&page=6

I have installed XT-X rim's to XT-R and I didn't have any problem get certificate for both tyres in Finland. I don't know about Slovenia law.

I just printed XT-R and XT-X technical specifications from Web-page and drove bike to local registration office.

Officer checked those specs and my bike with XT-X tyres. Because XT-X and XT-R are "parallel models" there wasn't any issue.

I got official registration certificate and there are written allowed tyres are
Front 90/90/R21 or 120/70/R17
Rear 130/80/R17 or 160/60R17

http://www.yamaha-motor.eu/eu/produc...view=techspecs

http://www.yamaha-motor.eu/eu/produc...view=techspecs

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MODs - XTX/XTR wheels - Supermoto front fender - Handguards - Engine crash bars - OTR Bash Plate - Renthal 971 Handle bar - Bi-Xenon lights - Auxiliary Driving Light LED - LED tail light mod - Speedo healer - GiPro gear indicator - Thermometer - Heated Grips - Navigator - Tachometer - 12V Output plug - Front Spacers 30mm + 15W Fork oil - Lowered seat 25mm - Adjustable side stand - Kev Fuel Mod - DNA Stage 1&2

thanks for this information.

Can I fit XTR wheels onto my XTX (or convert my own wheels)? I am told by the local Yamaha dealer the front hubs are the same so looks like one can buy a rim & set of spokes & covert the front wheel. Not sure about the rear - is the 17" rear rim on the XTX the same as the one on the XTR? i.e. same width?

Yes you can.

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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 /
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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

Not sure what year you are but the 2004 manual says
Rear Tyres
XTX 160/60 17
XTR 130/80 17

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