Hi, i have just returned from my first days riding in a long time and it was nothing short of a nightmare as my pride and joy was constantly misfiring and cutting out. It does this when coming down the box approaching a junction or bend and when coming to stationary cuts out 8/10 times. I have checked all the things mentioned here before. I know my TPS has been changed etc. The only thing different i have done since getting it out this year is to put some Premium 97 RON fuel in but i have refilled with standard whilst on the run with no change. Could it be the fuel as i have never used 97 RON before and had a perfect couple of years so far. Maybe theres some simple things to try otherwise i will drain the tank and remove it and clean injector etc. Its just unrideable as it is. PLEASE HELP PLEASE

Mick
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Mods so far: Kevs front fork inserts (well worth it!), Co1 reset,Rear suspension lowering link and shortened sidestand (I have short legs), K&N Air filter, DNA stage 2 Air Filter, Iridium Spark Plug, Arrow cans,Scottoiler, Heated Grips, Tinted Screen.

Running on Avon Distanza front + rear (awesome tyre)


:avon:

Hi Mick

If everything was running fine before, and now u have tried different fuel and this is happening, I would go with it being the fuel and would dump the tank and refill with normal fuel, see how that goes. Best of luck fixing the issue

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Current Mods: Removed Snorkel, Increased Co, Cush Mod, K&N Oil Filter, Custom Tail Tidy, LED Indicators, Mod Crash Bobbins to Suit Rear Axle, Kev Fuel Mod, DNA Stage 1 & 2, Drilled Airbox, Akrapovic SP Series Exhaust - SOLD now riding Aprilia Dorsoduro 1200

Injectors can get gummed up if you've left it standing for a while. ~I would suggest you leave the premium fuel, and if you can live through a couple fo tank fuels of rough running, it will probably smooth out again.

Next time you store it run some fuel additive through the bike before storing (you can get stuff specifically if you're laying your bike up)

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www.reeves-cartoons.co.uk
centrestand, handguards and deflectors, scottoiler, handlebar muffs, panniers, cush drive mod, compass, power socket,
petebog rack, handguard extenders, satnav, tank bag...to be continued

Drain the fuel tank & run some fresh fuel through it.

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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

Cheers Kev, I was thinking that would inevitably be the way to go. Just wanna get out there now our weather is shaping up. Ride on.

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Mods so far: Kevs front fork inserts (well worth it!), Co1 reset,Rear suspension lowering link and shortened sidestand (I have short legs), K&N Air filter, DNA stage 2 Air Filter, Iridium Spark Plug, Arrow cans,Scottoiler, Heated Grips, Tinted Screen.

Running on Avon Distanza front + rear (awesome tyre)


:avon:

In the UK petrol now contains up to 5% ethanol. And it goes off quicker as a result. I think ethanol absorbs moisture whch then turns into water.
Don't know how long you had the bike off the road but anything longer than a month either: use fuel stabiliser or drain the tank or fill it up