Hi all,

I've been trawling around the forum and haven't really found a definitive answer to my question:

I'd like to increase the low end response of my XTR, should I look at a new pipe/can or replace the air filters/remove the snorkel?

What do you guys think would give the bike a better low rpm performance?

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You did not mention what year XTR you have? All the below mods give more bottom to mid range Torque.

One tooth bigger on the rear sprocket, if you don't do lots of freeway riding one tooth less on the front sprocket..
DNA stage 2 filter.
2in1 pipe
2007> O2 controller
PCV/PCIII with custom map, or one of my fuel mods

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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

Its a 2004 xtr.

I'm looking to get the most gain for least amount of cash, so would that be a Kev mod + stage 1 + 2 DNA filters?

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+ a pair of pipes and remember to pull the snorkel out and that combo will more than do.

Thanks the the replies, after reading this thread, I've decided to have a go at a DIY stage 3 airbox!

I'll pick up a kev fuel mod after I get paid and do a little write up of how well its all gone!

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DIY "stage 3" :-). Details if it turns out to work well ...

I saw youre tap on facebook im the commentor Ashley Wright where did you get the tap as that is a awesome idea lol what size is it ?

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Yamaha xt660x 2009 blue/gold mods= iridium plug, stage1+2, removed snorkel, blocked ais, akrapovric pipes, power commander pc3usb (pre made map), adjusted tps, dynojet 02 optimiser 30amp aux relay, smoked puig screen, oxford heated grips and brembo carbon ceramic pads, rfx 30mm bar raisers, puig long adjustable leavers, plus much more and a cheep �30 alarm which stopped it been stolen

G'day Ashley. It's a 10mm brass ball valve. And the hoses are 14mm. So I just taped it up to the correct diameter for fit. $4 on eBay. Test the tap out tomorrow.

Cheers

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Yamaha xt660x 2009 blue/gold mods= iridium plug, stage1+2, removed snorkel, blocked ais, akrapovric pipes, power commander pc3usb (pre made map), adjusted tps, dynojet 02 optimiser 30amp aux relay, smoked puig screen, oxford heated grips and brembo carbon ceramic pads, rfx 30mm bar raisers, puig long adjustable leavers, plus much more and a cheep �30 alarm which stopped it been stolen