Just bought a stock xt660 and road 80 miles home

Love the bike but the stalling and snatchiness is a bit disappointing

Going to need some upgrades pronto

Xt550 doh. .....

and to

Welcome mate.

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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

Welcome on board mate.

Plenty of mods you can do to reduce the surging, a lot of which are either free to do or cheap and easy. You don't say what model year the bike is, which does make a slight difference, bere's some reading homework for you...

Join XT660.com supporters to access the �Ask Kev� 1:1 technical help section - http://www.xt660.com/payments.php

Check you haven�t got a dodgy TPS (early bikes) - http://www.xt660.com/showthread.php?t=948

Check you haven�t got a dodgy ECU (early bikes) - http://www.xt660.com/showthread.php?t=519 http://www.xt660.com/showthread.php?t=8546 (How to recognise the different ECUs)

Twist-grip mod - http://www.xt660.com/showthread.php?p=154983

Cush drive rubber mod - http://www.xt660.com/showthread.php?t=12422

Adjust your CO - http://www.xt660.com/showthread.php?t=55

Adjust your TPS - http://www.xt660.com/showthread.php?t=56

Kev fuelling mod - http://www.xt660.com/showthread.php?t=194

O2 controller (if you have a later post 2007 bike with 02 sensor?)- http://www.xt660.com/showthread.php?t=14746 (current version from post #165)

Click on the link in my signature for the full list of all the mods available � and it's a long one!

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