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-   -   Bang-for-the-buck mod ( https://www.xt660.com/showthread.php?t=14474)

nazurro 21-07-10 23:42

Quote:

Originally Posted by stumpydave (Post 133879)
The sprockets are original on my bike from new both front and rear.
When I first got the bike (new from showroom) it would lift in 1st but 2nd you had to dip the clutch and youd no chance at all in 3rd.

Right, mine is just like that: it easily lifts on pure throttle on 1st, then on 2nd you feel like it might just do it, but it doesn't really lift on pure power.

Quote:

Originally Posted by stumpydave (Post 133879)
The extra lift it has now has come purely from the mods mentioned.

Nice! :026:

Quote:

Originally Posted by stumpydave (Post 133879)
I have to add though it may also be helped by it loosening up a bit?

Perhaps, but mine has done over 400 kilometers now, it should have settled by now I think.

nazurro 21-07-10 23:48

Quote:

Originally Posted by SelinaXT (Post 133887)
Glad to see you've sparked a discussion nazurro :)

No fire without a spark, right? ;)

Quote:

Originally Posted by SelinaXT (Post 133887)
Although a proportion (large or small I'm not sure?) was due to the improved induction noise as much as a real difference in power output.

Right, that effect shouldn't be underestimated.

Quote:

Originally Posted by SelinaXT (Post 133887)
Be interesting to see your feedback as you do various mods. I now have Stage 1 and 2 filters and a PCIII in addition to the above mentioned.
Have fun,
Selina

Thanks, I will keep you posted when I have tested the dna 1 + 2 and the kev fuel mod that I ordered earlier today.

cdo1uk 22-07-10 00:07

i have two XT's at the moment. An 09 XTX (scooby) totally standard, and a XTR 2006 with snorkle removed, CO up'ed... a bit, Kev mod and a K&N. there is a big difference in low mid range power delivery, but most of all, is the ridability. the 06 XTR is soooo much smoother. I have had a few XT's now and have always kept to standard cans due to the running smoother with them without a PC. i have had more powerfull singles and have gone back to the XT's due to the fact they are relible and great fun. My advice to anyone wanting to go faster on an XT is, ride it faster/harder.... take it lower, they handle very well. i have has the XTR over to the pegs....thats what supermotos are all about.....they are fast enough.

:-)

nazurro 22-07-10 00:22

Quote:

Originally Posted by cdo1uk (Post 133913)
i have two XT's at the moment. An 09 XTX (scooby) totally standard, and a XTR 2006 with snorkle removed, CO up'ed... a bit, Kev mod and a K&N. there is a big difference in low mid range power delivery, but most of all, is the ridability. the 06 XTR is soooo much smoother.

That might also be because of the 05-06 ECU that according to Kev is the best one at the moment for smooth riding. (eagerly awaiting a functioning O2 eliminator)

Quote:

Originally Posted by cdo1uk (Post 133913)
I have had a few XT's now and have always kept to standard cans due to the running smoother with them without a PC. i have had more powerfull singles and have gone back to the XT's due to the fact they are relible and great fun. My advice to anyone wanting to go faster on an XT is, ride it faster/harder.... take it lower, they handle very well. i have has the XTR over to the pegs....thats what supermotos are all about.....they are fast enough.

:-)

I agree, they are fast enough :)

I actually didn't think I would go back to riding on the street after spending the last couple of years on the race track, but if knew that if I did, it would be on something like the XT.

Lots of horsepower and superhandling in around 200 km/h does not equal fun on the road. On the road it's about the general feeling, bike control, tourqe etc, areas where the xt:s excel. They are also great quality and cheap to own.

But regardless of needing extra hp or not - I can't help myself to at least let my xt breath in and out as it was supposed to :)
And of course I would definitely would like it to be smoother at cruising conditions.

cdo1uk 22-07-10 00:38

as Kev has said lots... the XT's need more air and fuel, and they make a world of difference when they get it. my old 05 was bad, really bad, so jerky it was almost unridable, but the 06 is much better after the mods, so much so i would say its almost no jerking at all... I feel the same about HP on the road, it just doesnt interest me anymore, torque is where its at...

dazmatic 22-07-10 08:57

I'm very eagerly awaiting the new O2 Mod for the bikes with lambda sensors...


Currently working on my own stage 3 and hope to get it sorted sometime during this month coming, may not end up looking very pretty, but will have to see what the results are like.

richardsracingmad 22-07-10 11:52

Quote:

Originally Posted by dazmatic (Post 133929)
I'm very eagerly awaiting the new O2 Mod for the bikes with lambda sensors...



Currently working on my own stage 3 and hope to get it sorted sometime during this month coming, may not end up looking very pretty, but will have to see what the results are like.

I spoke with Dynojet today, the R&D dept. has been working on it for the last four months they told me. They weren't willing to divulge any more info though.

Good luck with that..having attempted several similar projects in the past, some of which have been none too successful..I thought it was better that I just swallowed hard and stumped up the money. But I hope you succeed in that...

nazurro 29-07-10 20:15

When I got home today my neighbour handed me the stage 1+2 DNA filters that I had ordered. He had seen a confused UPS guy trying to find somewhere to put them when they did not fit in the mailbox :)

Then when I turned around and opened my mailbox I found the Kev fuel mod. How's that for timing :)

I'll need to wait for some good weather, then the plan is to ride the bike, put in the filters and fuel mod and then immediately take a ride for easy comparison.

Good weekend fun!

But currently it is..... :weathermanf4[1]:

nazurro 31-07-10 19:13

Today I fitted the DNA filters and Kev fuel mod, which was a piece of cake. I found it quite cool to turn the knob and watch the temp reading decrease on the dash :)
My only problem was that the air temp sender wire was to short, so I barely managed to get it together, but I'll just have to lenghten one of the wires (solder?)

Before the mod I did some test runs on different gears at certain speeds to try and get a reference.

The biggest improvement I felt was engine smoothness at low speeds, i.e the infamous surgin and throttle jerkiness is so much better. This improvement alones makes the mod worth doing for me.

In the top end I'm not sure I really feel a big difference in power. Mid range there's a better power improvement, in the low range I don't feel any difference.

The only downside of this mod is the air induction sound which I don't really fancy. But was gonna get a couple of earplugs anyway, so that's not a big deal.

So all in all I am pleased: the low speed smoothness improved way more than I had hoped, but the power increase felt less than I hoped for. I did not feel like it wanted to wheelie in 2nd gear. On the other hand, if there is one thing I would like to sort out it was the smoothness issue, and this did it for me.

Kev, do you have some tip how to optimize the fuel setting? I started out with the knob at about 4, then tried myself up to 9 but then it started to feel a bit blurry in the throttle response, and I ended up at around 6, which gives an air temp offset of about 32 (25 degrees in the dash with zero knob setting, -7 degrees in the dash with the knob at 6).

stumpydave 31-07-10 19:34

Quote:

Originally Posted by nazurro (Post 134627)
but the power increase felt less than I hoped for. I did not feel like it wanted to wheelie in 2nd gear.

Youre not riding hard enough my friend !!!!!! :hahaha[1]:

or it could be due to my 16 stone sat back on the seat!!!!bigwink


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