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.: XT660.com - The #1 XT660 Resource :. ( https://www.xt660.com/index.php)
-   Fuelling and Intake ( https://www.xt660.com/forumdisplay.php?f=207)
-   -   MT 03 kev fuel mod ( https://www.xt660.com/showthread.php?t=21044)

Svenne100 09-07-13 15:14
MT 03 kev fuel mod
 
I thought about head porting an MT 03, putting on an open muffler, and maybe modifying the airbox if there are any known mods.

Does the kev fuel mod work on this bike? Will it be possible to make the bike run good without a power commander, despite the relatively big modifications?

0restis 09-07-13 17:57
Quote:
Originally Posted by Svenne100 (Post 189528)
I thought about head porting an MT 03, putting on an open muffler, and maybe modifying the airbox if there are any known mods.

Does the kev fuel mod work on this bike? Will it be possible to make the bike run good without a power commander, despite the relatively big modifications?
there is plenty hp to gain from mt airbox...i have all the mods you need!
mine with mod airbox +2mm body and cans made 51whp!!

Svenne100 09-07-13 22:42
Quote:
Originally Posted by 0restis (Post 189541)
there is plenty hp to gain from mt airbox...i have all the mods you need!
mine with mod airbox +2mm body and cans made 51whp!!
Sounds pretty good!
From looking at the intake ports there seems to be a lot to improve too.
Soo, how do I get to know these mods? :)

Kev 10-07-13 12:05
http://www.youtube.com/watch?v=A9Fc5w5mH0Y&feature=c4-overview&playnext=1&list=TLbXEMEZmOYvw

http://www.youtube.com/watch?v=Vdpc5a2l-T0

Svenne100 10-07-13 20:58
Yes I've seen them but they don't really answer my questions, or have I missed something?

Kev 11-07-13 02:19
When I ported my XT660 head I removed all the big lips under the seats, flowed & polished the intake & exhaust ports. If you are going to port your motor you will need a custom Power Commander map.

0restis 11-07-13 02:20
Quote:
Originally Posted by Svenne100 (Post 189569)
Yes I've seen them but they don't really answer my questions, or have I missed something?
http://imageshack.us/photo/my-images...022013005.jpg/

http://imageshack.us/photo/my-images...022013004.jpg/

http://imageshack.us/photo/my-images...022013002.jpg/

http://imageshack.us/photo/my-images...022013001.jpg/

http://imageshack.us/photo/my-images/715/04022013.jpg/

study them and compare them to your stock parts too see the difference!
http://imageshack.us/a/img199/1345/04022013005.th.jpg

0restis 11-07-13 02:23
Quote:
Originally Posted by Kev (Post 189577)
What do you want to know? When I ported my XT660 head I removed all the big lips under the seats, flowed & polished the intake & exhaust ports.
yeah but he has MT 03 and the airbox is not flowing good...!xt have much better airbox so they dont need so further modification!

Kev 11-07-13 11:06
I would not bother with the standard air box I would fit a pod filter looks like you could get one in there nicely.

Svenne100 12-07-13 01:49
Quote:
Originally Posted by Kev (Post 189577)
When I ported my XT660 head I removed all the big lips under the seats, flowed & polished the intake & exhaust ports. If you are going to port your motor you will need a custom Power Commander map.
Ok, that's the answer I wanted. The problem is that PC + bench mapping costs around 600 Euro in Sweden..

Btw, intake ports should not be polished, preferably they should have a rough surface!

Thanks for the airbox tips!


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