thats interesting Kev.

I should imagine ALOT of dyno time involved........but with my mods it MIGHT make 1-2hp.? Not worth the cost of the module and the extra dyno time to me though.

Have you ever tried it Kev?

I did consider it when I had the Raptor conversion on my last XTX, the out lay for the gains is what put me off. There are a few other ECU's that can control the XT's ignition timing but they all cost a bomb.

I will be experimenting with different cam degrees in a week or two to try get some cheap Hp out of my motor. Even though my motor is standard with the same mods as you have, you can melt the rear tyre on a hard ride. This is what my rear tyre looked like after my ride today. Boy I love my XT in the corners.

http://i201.photobucket.com/albums/a...x/DSCF3309.jpg

and it shouldn't take you too long at having a play with the firing order....:icon_study:

tyres look nicely worked to me Kev!

The XT is one of those bikes that can put 100% of it's power down to the road at any speed & has the edge in the tight stuff.

I won't be playing with the firing order, I will be modifying a stage 2 Hot Cam for better low end power.

Kev try some Avon Distanzia once in your life, you'll love your bike and the cornering you get out of them even more.

For once do try 'em Sir, you'll thank me.

Ask Miguel he was also an unbeliever until tlexup told him they were good, he tried them loved them and now he also runs them on his KTBoom! :icon_eek:

I will be up for a rear tyre next week.

Below is your fuel map loaded into my PCIII & data logged using my wideband commander at 100% throttle. Using 98 RON fuel.


Time TP RPM AFR
0.000 22 2701 12.5
0.100 20 2712 12.5
0.200 23 2732 12.5
0.300 22 2754 12.5
0.400 20 2782 12.5
0.500 23 2807 12.5
0.600 21 2818 12.5
0.700 23 2833 12.4
0.800 17 2859 12.4
0.900 25 2881 12.4
1.000 29 2908 12.3
1.100 30 2945 12.2
1.200 39 2976 12.1
1.300 49 3036 12.0
1.400 57 3084 12.0
1.500 65 3132 12.0
1.600 69 3184 12.0
1.700 77 3247 12.0
1.800 97 3289 12.0
1.900 100 3342 12.1
2.000 100 3406 12.2
2.100 100 3456 12.3
2.200 100 3514 12.5
2.300 100 3577 12.6
2.400 100 3642 12.7
2.500 100 3697 12.8
2.600 100 3752 12.9
2.700 100 3806 13.0
2.800 100 3871 13.2
2.900 100 3919 13.2
3.000 100 3983 13.3
3.100 100 4044 13.3
3.200 100 4108 13.3
3.300 100 4163 13.3
3.400 100 4222 13.3
3.500 100 4284 13.3
3.600 100 4344 13.3
3.700 100 4405 13.3
3.800 100 4462 13.3
3.900 100 4519 13.3
4.000 100 4590 13.2
4.100 100 4640 13.2
4.200 100 4707 13.2
4.400 100 4825 13.2
4.500 100 4888 13.1
4.600 100 4935 13.1
4.700 100 5009 13.0
4.800 100 5045 13.0
4.900 100 5116 12.9
5.000 100 5168 12.9
5.100 100 5223 12.9
5.200 100 5262 12.8
5.300 100 5335 12.8
5.400 100 5375 12.8
5.500 100 5430 12.7
5.600 100 5484 12.7
5.700 100 5536 12.7
5.800 100 5590 12.7
5.900 100 5629 12.7
6.000 100 5680 12.6
6.100 100 5734 12.6
6.200 100 5787 12.6
6.300 100 5828 12.6
6.400 100 5875 12.6
6.500 100 5920 12.7
6.600 100 5953 12.7
6.700 100 6008 12.7
6.800 100 6050 12.7
6.900 100 6087 12.7
7.000 100 6136 12.7
7.100 100 6171 12.7
7.200 100 6205 12.7
7.300 100 6250 12.6
7.400 100 6281 12.6
7.500 100 6309 12.6
7.600 100 6359 12.6
7.700 100 6382 12.6
7.800 100 6415 12.5
7.900 100 6451 12.5
8.000 100 6481 12.5
8.100 100 6515 12.5
8.200 100 6561 12.5
8.300 100 6577 12.4
8.400 100 6602 12.4
8.500 100 6646 12.4
8.600 100 6656 12.4
8.700 100 6685 12.4
8.800 100 6707 12.4
8.900 100 6750 12.4
9.000 100 6770 12.4
9.100 100 6780 12.4
9.200 100 6823 12.4
9.300 100 6833 12.4
9.400 100 6847 12.4
9.500 100 6874 12.4
9.600 100 6895 12.4
9.700 100 6926 12.4
9.800 100 6936 12.3
9.900 100 6961 12.3
10.000 100 6964 12.3
10.100 100 6992 12.3
10.200 100 7017 12.3
10.300 100 7032 12.3
10.400 100 7042 12.3
10.500 100 7042 12.2
10.600 100 7075 12.2
10.700 100 7089 12.2
10.800 100 7097 12.2
10.900 100 7115 12.2
11.000 100 7118 12.2
11.100 100 7129 12.1
11.200 100 7140 12.1
11.300 100 7166 12.1
11.400 100 7181 12.1

thanks Kev!! very very interesting.....

to put a comparison that's easy to read and simplified..

i cant do a spreadsheet, but here goes.....

AF figures are at the revs at 100% throttle, Kevs figures first.....

3500 12.5 13.2
4000 13.3 13.4
4500 13.3 13.2
5000 13.0 13.1
5500 12.7 13.2
6000 12.7 12.9
6500 12.5 13.2
7000 12.3 13.2


Now, some of these figures are almost identical, but others are as much as 0.9 of a point out.....strange.....

Also, these figures are a little closer at 5500rpm than the first map Kev looked at, where unfortunately he didn't do much "100%" throttle, but we had a reading at 100% at

5500 13.1 13.9

Now if we compare these figures at 5500RPM, between my first custom map , and my second custom map, and put this into HP figures we have..

On my first map i was showing around 2hp more (taking Kevs figures as accurate, 13.1), than on my second map (taking Kevs 12.7).

As you can see, JUST 0.4 of a point out = a loss of 2hp.

Broadly speaking, on my second custom map, the AF figures got more inaccurate the higher the rpm.

BUT ALSO !!! we have a greater differential between My readings and Kevs, at 5500rpm, between both the custom maps, of 0.8 of a point for the first map, and 0.5 of a point on the second map.

One thing I have learned on the XT, is the A/F ratio is effected by ambient temperatures & air pressure changes. The 3D mapping on the XT is not very good & the A/F can change a bit from day to day.

So, my second map is "too rich".

I think the first map, which produced the best power figures, was much closer to where I want to be.

I will call the Dyno on Tuesday, when hopefully they have received their Air Flow Meter "service kit", and drop off my bike later in the week for a re-dyno on Saturday.

I assume peak power (6000rpm) on my first map was at a "real" AF of around 12.6....more power to come out of my bike then........

Kev, it now looks like a real AF of between 13.2 and 13.5 is my bike power area......