XTX & XTR. Mod Section.


BUY YOUR MODS FROM OUR ONLINE SHOP
http://www.xt660.com/site/node/129


Mods affecting warranty.
Just to clear up things, any addition to the wiring or any mod to a motorcycle will void warranty of the replacement part, if the mod can be proven to be the fault or cause of the failure of the component.


Engine & performance mods


What HP do I get from that mod
http://www.xt660.com/showthread.php?t=4509

1/ Dyno results.
http://www.xt660.com/showthread.php?t=3215

2/ Removal of the air filter snorkel. Air Box explained
http://www.xt660.com/showthread.php?t=12547

Fit a K&N, stage 1 & 2 DNA, Piper cross or BMCmain filter.

Difference between a DNA & K&N filter
http://www.xt660.com/showthread.php?t=9848

Stage 1 filter DNA.
http://www.dnafilters.com/filterdeta...p?filterid=143

Stage 2 filterDNA.
http://www.dnafilters.com/filterdeta...p?filterid=258
http://www.xt660.com/showthread.php?t=165
http://www.bikehps.com/acatalog/Pipe...or_Yamaha.html
http://www.xt660.com/showthread.php?t=6406

DNA Stage 3 Air Box
http://www.xt660.com/site/node/311
http://www.xt660.com/site/node/310
http://www.xt660.com/showthread.php?t=11801&page=3

4/ Reroute the engine breather, cleaner air to motor.
http://www.xt660.com/showthread.php?...light=breather
http://www.xt660.com/showthread.php?...ngine+breather

5/ AIS removal stop your bike popping.
http://www.xt660.com/showthread.php?t=5544

6/ Making your clutch lighter
http://www.xt660.com/showthread.php?t=8611

7/ Fit a DNA stage 2 filter.
Stage 2 filter
http://www.xt660.com/showthread.php?t=165
http://www.xt660.com/showthread.php?t=474
http://www.xt660.com/showthread.php?...=Co+adjustment
http://www.knfilters.com/search/prod...x?Prod=YA-6604

8/ Kev's Air box Mod, drilling of 5 holes in the air box.
http://www.xt660.com/showthread.php?t=321

9/ XT700 conversion.
http://www.xt660.com/showpost.php?p=51632&postcount=59
http://www.xt660.com/showthread.php?t=5895
http://www.xt660.com/showthread.php?t=6689
http://www.xt660.com/showpost.php?p=58076&postcount=13
http://www.xt660.com/showthread.php?...ighlight=xt700
785cc XT
http://www.xt660.com/showthread.php?t=14819

10/ Cylinder head porting.
http://www.xt660.com/showpost.php?p=59612&postcount=93
http://www.xt660.com/showpost.php?p=97770&postcount=123

11/ Fitting a Stage 1 Hot Cam
http://www.xt660.com/showthread.php?t=6635
http://www.xt660.com/showthread.php?t=6958

Stage 2 Hot Cam
http://www.xt660.com/showthread.php?t=14736

12/ Fitting a axillary water cooler
http://www.xt660.com/showpost.php?p=58076&postcount=13

13/ +2mm bigger throttle body.
http://www.xt660.com/showthread.php?t=7571
http://www.bluetraxx.com/reviews/kds_throttlebody.htm
http://www.kdsracing.com/
http://www.xt660.com/showthread.php?t=9621

14/ Stroker crank.
http://www.xt660.com/showthread.php?p=82827#post82827
https://www.xt660.com/showthread.php?t=18704

15/ RPM increase
http://www.xt660.com/showthread.php?t=801

16/ Removing your XT660 motor.
http://www.xt660.com/showthread.php?t=6338

17/ Installing a Stage 1 Hot Cam
http://www.xt660.com/showthread.php?t=6635

18/ Engine paint.
http://www.xt660.com/showthread.php?t=10708

19/ Different RON Fuels
http://www.xt660.com/showthread.php?t=14216

20/ Temperature Gauge
http://www.xt660.com/showpost.php?p=144994&postcount=3

21/ Radiator cap
http://www.xt660.com/showpost.php?p=143923&postcount=4

22/ Removing the 33HP restrictor
http://www.xt660.com/showthread.php?t=23128

23/ Build your own stage 3 air box.
http://www.xt660.com/showthread.php?p=209801#post209801
http://www.xt660.com/showthread.php?t=23122&page=7


Fueling mods

Kev's Fuel mod can be bought from this link. http://www.xt660.com/site/node/136

WB's DNA Stage 2 filter covers can be bought from this link. http://www.xt660.com/site/node/194


1/ Adjust the CO, up.
http://www.xt660.com/showthread.php?...=Co+adjustment

2/ Fitments of Kev's fuel adjuster mod with Air box Mod.
http://www.xt660.com/site/node/53
http://www.xt660.com/site/node/136
http://www.xt660.com/showthread.php?t=525

3/ Fit a power commander.
http://www.xt660.com/showthread.php?t=13756
http://www.powercommander.com/

4/ Throttle Sensor Adjustment
http://www.xt660.com/showthread.php?t=56

5/ Fuel devices.

1/ Power Comander PCIII & PCV
http://www.off-the-road.de/Other-bikes/Engine-Tuning/Dynojet-Power-Commander-Yamaha-XT-660.html?listtype=search&searchparam=power%20comma nder

2/ Rapid Bike
http://www.rapidbikeusa.com/cgi-bin/shopper.cgi?search=action&category=1287&keywords=a ll

3/ Ignijet
http://www.ignitech.cz/english/ignijet/ignijet.htm

4/ Memjet
http://www.memjetmodule.com/products-page/yamaha/

5 SFI
http://www.staintune.com.au/sfi_yamaha_xtx660.htm

6/ The Kev Fuel Mod.
http://www.xt660.com/site/node/136

6/ Power Commander fuel maps for XT660X/R can be found in the ASK Kev section.
http://www.xt660.com/showthread.php?t=2887

7/ Drill fuel tank to get an extra 15kms before the fuel light comes on.
http://www.xt660.com/showpost.php?p=82572&postcount=9

8/Kev's 2010 New O2 Mod for XTX & XTR's
http://www.xt660.com/showthread.php?t=14746

9/ DNA Air filter clean.
http://www.knfilters.com/cleaning.htm 10/ Fuels
http://www.xt660.com/showthread.php?t=14216

11/ Removing the restrictor for full power
http://www.xt660.com/showpost.php?p=141082&postcount=2

12/ Which Power Commander fits which XT660?
http://www.xt660.com/showpost.php?p=144104&postcount=8

13/ Twitchy Throttle, good mod to do.
http://www.xt660.com/showthread.php?p=154983#post154983


Exhaust mods


1/ Fit a set of cans.
http://www.xt660.com/showthread.php?t=103

2/ Stopping the popping back from your exhausts. AIS Mod.
http://www.xt660.com/showthread.php?...ghlight=ais%2A
http://www.xt660.com/showthread.php?...ghlight=ais%2A

3/ 2-in-1 exhaust
http://www.xt660.com/showthread.php?...ed=1#post81267
http://www.xt660.com/showthread.php?p=92518#post92518

4/ Recoating that rusted exhaust
http://www.xt660.com/showthread.php?...d=1#post112607

5/ Servicing after market exhaust.
http://www.xt660.com/showthread.php?t=8360

6/ Modifing your exhaust baffle
http://www.xt660.com/showthread.php?p=126290#post126290

A lot of the links & mods are discussed in the ASK KEV section, if the link does not work it may be because you are not a paid up supporter & will not have access to those links.

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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