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- Fuelling and Intake ( https://www.xt660.com/forumdisplay.php?f=207)

- - Fuelling Fix ( https://www.xt660.com/showthread.php?t=55)

Quote:

Originally Posted by Kev

Hi mate

Let me get this right, 06 model with STD exhausts & no power commander.

No need to adjust throttle sensor on a 06 model.

1.
I would carry out the Engine Breather Mod L pipe. ( Purer Air ) Don't for get to block the airbox.

2.
I would remove the intake snorkel & cut the intake bigger, drill the 2x holes. ( better breathing ) I would also fit a K&N or DNA filter. You can also remove the silver gaused plate on the STD air filter this will let the STD filter breath better. It is a flame retardant screen. I ran mine off for a few months before I got a K&N filter.

3.
Increase the CO to between 30 to 40. ( To richen up the bottom end )

4.
If the bike feels lean, I'm sure it will. I would carry out the Kev Mod with the variable resisters. Set both resisters to 5 DegC below the actual reading after motor is at running temp.

Remember all these mods don't give much more in HP, but a smother running bike with quicker acceleration with more mid range punch.

Hope that answers your questions

What means that? What is lean?

It refers to the air/fuel mixture ratio. The ideal ratio is 13.7.

If there is more fuel in the mixture, the bike is running reach and if there is less fuel, then the bike is running lean. As far as I know, it is dangerous if the bike runs too lean

Quote:

Originally Posted by nein

But if i set the CO setting up, is it still lean? Effects CO entire rev range? Sorry my bad english.

Quote:

Originally Posted by kosworth

But if i set the CO setting up, is it still lean? Effects CO entire rev range? Sorry my bad english.

It depends which modifiations you are planning. The CO setting does not affect the whole rev range but mainly the low one but it is enough for reducing the surging at low revs, compensate the instalation of new cans,.....

Quote:

Originally Posted by nein

I was thinking just consertrade on the CO and Airbox mods, like engine breather off, K&N filter, extra holes and CO 30-40 or above. Then maybe some day 2-1 pipe. I not plannig to do any wiring like kevs resistor mod.

Is my plan OK?

Quote:

Originally Posted by kosworth

Well, If you plan the "full" airbox related mods, then the question becomes more difficult to answer. There are different opinions about that and I think it would be better if I let someone with more mechanics knowledge answer your question.

To kosworth, I suggest powercommander if you do any bigger airboxmods. (Laita mulle yv:t� jos haluat turinoida suomeksi)

Hi Guys
Quick question . I have fitted a set of leo vinci pipes to my 06 xtx and a k&n filter. My bike pops alot when lease of the gas. I did up my co level by 10 units aswell. What am I doing wrong? I have a dns stage 2 filter on the way. I just dont want to buy a pc just too much money for me to spend now.

Thanks

Mike

The popping is normal cause you have better cans and also a better air filter. look on youtube at some of the dyno runs people have posted you will hear they also get this.

http://www.youtube.com/results?searc...&search=Search

My mods so far are:
1)Remus Grand Prix cans
2)Remus Powerizer fuel adjuster
3)Snorkel removed
4)K&N main filter
5)DNA stage 2 filter

I want your advice on where i should adjust the CO1 level.
My initial CO1 was 3...
Thanks in advance guys.