As well as fitting Kev Mod also done Air Box Mod and Removed Snorkel. Reduced Temperature setting initially by 5 from 13 to 8 but then as far as it would go down to 6. Also increased Co from the origional setting of 20 to 30 then up another 5 to 35. The bike sounds definately nicer ie louder but hopefully not too loud as I often go to work anywhere from 1.30 to 6.00am. The surging is improved as is the uptake of power. The good thing is now I can potter when necessary at 30-40 in 4th and pull away cleanly. I have to say the Mod is well worth the effort & relatively easy too. From ordering to being fitted 7 days.
Thanks Kev for sorting it! Hope you're feeling ok after your op.

Thanks for the feed back, it is nice to see someone enjoying their bike after a mod works out. You got to get a set of DNA filters they make such a difference & are well worth the money. Even if you only buy a stage 2 first, it is worth it.

My hand is more painful today being the second day since the operation, but that is to be expected.

I have added a few mods on Ebay for sale, if anyone is interested. I also still have one last cooler if any one wants one.

http://shop.ebay.com.au/merchant/7416kevinh

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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 /
[
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

Just been out again for another test run, cant believe how much better the low & mid range are, especially the ability to ride 20-30 in third and 30-40 in forth and even top well below fifty! So much smoother.

Been out today for longish ride. After 15-20 Miles the dreaded surgings back. Its just when following slow traffic in 30 & 40mph areas. Also approaching tight bends where I've changed down and Roundabouts. I am still able to ride 22mph upwards in 3rd & say 30mph upwards in 4th. Have played around with Co settings which was 20 the origional setting to +20 ie 40. Also adjusted fuel mod setting by reducing by 5degC or as far as it will go which is reducing about 9degC. Have also tried adjusting Trottle position sensor which was set to 16, adjusted up to 20 and down to 12. Would it be an idea to go further with these settings and can it do damage. Any advice much appreciated.

Can you check these items for me.

1/ Is your chain adjusted correctly, to loose causes the bike to surge.

2/ Check the free play in the rear sprocket hub, there should only be a few mm of free play. Grab the sprocket & push it back wards & forwards in the direction of the chain, bike must be in neutral. It there is allot of free play, remove the rear wheel & renew your sprocket dampening rubbers or add bits of inner tube to the rubbers to take up the free play.

Come back to me after you have checked these items.

Some info on ECU's below. What is you last 2 digits of your ECU 00 or 01?

http://www.xt660.com/showthread.php?t=8546

__________________
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

The Chain I have tried tightening and slackening off. Following someones advice on the forum that it should be loose enough to almost touch the swinging arm with a little pressure. The chain always seems too loose to me but I have never had a bike of this type before.
The cush drive seems to have about 1 to 2mm of slack. The bike has only done 3500 mls and seems to of been looked after. It is just over 2 years old although it is probably an 05 or 06 model.
The ECU ends in 00 but I cant see any paint on the rear. There is a large white label on the back which is a little faded but I think says
No Motore M806E816322
Cod Motore 5VK-E900100
There are a couple of small white circular stamps on the front of the ECU.
Hope this gives you a few clues.