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| Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
06-04-2010, 09:13 AM
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taming it down
ok i didnt know weather this should go in jetting or not, but a friend of mine is looking at buying a bike for woods riding. right now we're looking at kx100's, kx 125's and maybe a gasgas 125 or 200. i told her i'd help her get her bike set up for her, one of those things being making the bike usable for a beginner. when i bought my bike (my first btw) it had g2 throttle cams with it, which have been a life saver on more than one occasion, so im thinking a set of those would be good. im also thinkin that going for lower that stock gearing may be a good idea too. is there any other things we can do to make the bikes easier to ride? it'll be alot of low rpm running as she first starts out so what would we have to do to the jetting so that it wont stall at low rpm but wont throw her on her back at the same time? any other suggestions? shes about 5'7" or so and about 130ish?lbs. and most of the riding will be in more tight technical woods.
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03 ec250 hyde skidplate, cycra handguads, protaper contours "what? it seemed like a good idea at the time!" 
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#2
06-04-2010, 10:19 AM
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Bigger power valve cover, Gnarly pipe, and a looser power valve spring.
And go a bit rich with jetting. Oh and if you have a bit too much money a smaller carburetor adds low rpm power and cuts off from the top. That's pretty much all I think 
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#3
06-04-2010, 01:38 PM
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hmmm..... i considered finding a smaller carb, but as far as the ec200 goes i dont know what size they come with. its either a 36 or a 38mm, if its a 38 id go down to a 36. the kx100 has a 28mm, but i dont know what brand. hmmmm thats a heck of an idea. thanks much!
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03 ec250 hyde skidplate, cycra handguads, protaper contours "what? it seemed like a good idea at the time!"
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#4
06-05-2010, 04:36 PM
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The easiest, lowest cost way to tame a a small bore 2T is put a flat washer between the pipe and the cylinder that restricts the exhaust.
I have done it for my sons KX65. It makes amazingly linear power, stills revs to the moon and makes decent top end. It takes away the hit. He rides very gnarly technical trails. When he is ready, I will install a slightly bigger washer which gives it a slight hit. I also did it on the KX100 when my wife was riding it. It did the same thing - smooth out the power delivery. Measure the inside of your cylinder and pipe, then go down the hardware store. For a few dollars you can get a few different sized washers to try out.
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Eric K '06 GasGas EC300 '01 GasGas XC300
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#5
06-05-2010, 05:20 PM
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hmmm never heard of that one.... that kindof like changing the powervalve springs on a ktm, only a little more crude?
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03 ec250 hyde skidplate, cycra handguads, protaper contours "what? it seemed like a good idea at the time!"
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