Hi, as the above mods are not too expensive and relatively easy to do , I'm tempted!. With the Ten beginning to feel run in and as I work the engine a bit more, I'm finding I'm quite happy with it's power and speed, but it feels like it just wants to breathe a bit more, to be let off the leash!!. I just hesitate as it comes with a two year warranty. ..? Or is it down to the discretion of the dealer.? Steve

Theoretically, fitting such mods should not directly affect you warranty; it certainly shouldn�t invalidate it. The only thing that a dealer/Yamaha could quibble with, if you needed to make a warranty claim, is if the mod/accessory could be attributed to, or was the direct cause of the problem. For example, if you fit DNA Stage 3 filters and then melt your piston because it�s running lean, then you won�t get any joy with the warranty. But fitting DNA filters isn�t going to prevent you making a legitimate claim, let�s say if your regulator/rectifier packs up or your spokes go rusty.

If you fit a Kev mod, O2 controller, DNA filters and an exhaust, assuming they are properly fitted and tuned, then you shouldn�t have a problem. It is though, as you mention, down to individual dealer�s discretion and what their take is on any problem is should it arise. Some dealers are good with things like this and others are quite draconian. My suggestion would be to go and have a chat with yours and ascertain how they feel about such things.

You could of course keep all the stock parts and refit them if you did have a disaster, then no one would be the wiser!

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Thanks Pleiades, great advice as ever..!! I think I will in a suttle way suss out how they view these things. Steve

Steve, I'm running the dna filters, Kev mod, with standard exhaust, and that certainly frees her up a bit, I'm thinking of an exhaust upgrade.But have to keep the neighbours in mind!..I have really early starts sometimes..

In all the years that we have been running this forum we have never seen a warranty claim rejected from any of the mods mentioned above.

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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