
19 Sep 2007
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Veteran HUBBer
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Join Date: Feb 2007
Posts: 289
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Quote:
Originally Posted by Valaar
Hi,
On the highway i can't keep up with the rest of the traffic and on my favourite twisty route i cant keep up with my friends.
I got a k&n filter and exchaust, raized the 2nd needle,but still there is not much going on,so im thinking about
changing the cam/big bore and rejetting.
There are pleny of big bore kits around but im afraid they only raize the midrange not the max-hp so the cams seems like the obvious choice,losing some mid-range i dont care.the bike has plenty.
has anyone tryed changing the cam,what was it like?
I also cant find dyno sheets on the net,anyone willing to share please reply,thanks!
P.s. I looked into the parts lists and found that the tt600e
has main jets #168/110 with 39hp and the same era xt has #130/100 with 36hp.Should i order tt neddles/jets?
P.s2.Forgot to mention there is a worhshop nearby offering oversize valves (for an unknown price).is that a good idea?
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Hi Valera, don't want to offend you, but XT is a bike born for a dual use, on\off road. There is not a lot to do with the engine, except as you said replace piston with a bigger one, and a modified cam -both expensive solutions- but on the highway more than 130\140 (that you probably can easily get with your engine now) will be hard to achieve anyway, for the air pression against your body. On twisty routes, if you did not already, get a street wheel pair a supermoto wheel pair maybe.
I find that start to play with carburetor is a pain, you need to make a lot of test, assembling, disassembling and again, again, again.
There is something about carburator here, but german only
Motorrad.de ·
XT-Tipps
Vergaser
My advice is that before to buy new spare (these parts are not eeasy to find second hand) parts for hundreds of euros, and lose time for setup, to gain maybe 5\6 KW (that would be ALOT) if you really need MORE power, better to get another bike, maybe a street one.
As said putting your hands on carburator is a long process, jets are not easy to find, and for the best you should have a test bench to test correctly every setup. And to buy a "Super Jet Kit" for 50-100 euro and not working would be really frustrating.
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