Right, mine is just like that: it easily lifts on pure throttle on 1st, then on 2nd you feel like it might just do it, but it doesn't really lift on pure power.

Nice!

Perhaps, but mine has done over 400 kilometers now, it should have settled by now I think.

Ok, well I asked for your opinion, I just hoped the opinion would be different

Have you done additional mods that you think actually made a difference?

Get in touch with me by pm if you want a quote on Stage 1 & 2 plus a 10% discount for being a forum member, you know it makes sense.

You must be joking for sure weeksy. You would be the only person I have ever heard say there is no gain with a stage 1 & 2 filter & fuel mod.

There is a big difference between a standard XT & a XT with a stage 1 & 2 air filter & fuel mod, dyno results below.

We have proven this so many times on the dyno, this setup works really well. Blue line a standard XT660, red line stage 1 & 2 filters with a PCIII, CCC cans.

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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

I'm not saying the difference isn't there mate, not at all. However the feel and perception to me personally isn't really that significant.

As you know, i'm on my 2nd XTX now, this one has the same mods as the first, but with the addition of a PC3. I also rode the frist xtx in standard trim for the first few weeks of ownership.

But from a riding perspective, i just don't think they 'feel' much different at all, with or without the mods.

I feel to answer the guys question, the sprocket (2 up rear) was a cheap and effective mod more so than any of the others.

I've often seen peoples reports of "fitted this and WOW..." and i just don't get it..

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That is because with all due respect, you are missing the point. The XT's have a very torquey single cyl engine which is heavily restricted from factory to comply with emissione regulations and all that bollx. Modding an XT is not for the purpose of doing 160mph on the clock, but is done so you can render the full performance which it was designed for, without the intrinsecate cats restrictors in the cans (have you ever seen a standard can cut open? Well let me tell you you couldn't fit a pen in there so much is the layout of deflectors and the space taken by the cat converter), and then there is a very choked up air box to deal with that reduces the air intake, hence fitting the DNA stage one & two and the removal of the snorkel alone makes your front wheel come up at the throttle. The gearing is another different issue, but also that factor means that the bike is designed to be powerful on low regimes and not on full pelt.

Altering the sprocket sizes might change things but the overall result would enhance one aspect and compromise another. Click on the attached excel file and then experiment with changing sprocket sizes and see what the result is in speed vs torque, then you will be able to understand what does what.

Attached Files

XT Gearing.xls (23.0 KB, 21 views)

I did actually also ask for personal opinion on experienced difference with this mod, which is what weeksy provided, so thanks for that weeksy.

Nope, i'm afraid YOU are missing my point....

To me... the bike in either stock trim or modified trim is excellent.... However i struggle to feel/tell the difference. It has nothing to do with "the airbox ...." or "big torquey single" etc. It's all to do with how the bike seems to the individual riding it.

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