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The cases are different, and there are front starter motors like in my dirt bike and over starter motors like my X18.
 

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I have a 125cc ATV w/ auto trans, the're 3 shoe spring clutches like a Cag clutch but bigger, I plan to drill holes in the arms and add heaver springs.
 

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Git R Dun PBracer
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Discussion Starter · #12 ·
well i have one myself and is completely naked i use it for racing and having fun and today i had a few friends that came to my house and we raced the bikes my cag against my x2 i have it pretty nicely tuned the carb is like 1/6 open and the idle screw is turned a full turn and the other screw i tuned it with the wheels of the ground. now i took the elctric start of all those thing to make it lighter and its pretty fast,has a great take of, it eats my cag at first but then i fly by my x2. i thought that my problem is that i dont have a pipe that gives back pressure so all the fuel is just been dumped out and not being used. the top speed am reaching is 25 my cag hits about 33 almost 35. i would like to compare whats happening to me with ur x2's.the engine is stock except the carb has the stock carb with the velocity air stack. so please tell me how ur bike runs,the max speed and any tips i could get. ill appreciate it.

p.s am planning on swapping engines,putting a 4stroke 110cc on there
 

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Git R Dun PBracer
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My x2 is lightly modded. Im 6ft and 230-240lb and my x2 tops out at 35mph with a bad front bearings in the CVT. Im waiting on a rocket key and HP clutch for it. Also im about done with my lighted fly wheel. Im about to start blueprinting my other motor that im building. Still have to get tools and a stage 2 cag big bore kit ordered to finsh my race engine. But the work on the race engine is on hold for now. Theres a few things i wanna buy first. And i hope im still able to buy those few things early next month.

Added 2 rolls to the CVT pack and lighted them.
Lighten the clutch alittle.
Removed the base gaskit.
V-stack with filter.
Gutted starter
No electrics
Lightly ported head.
 

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Git R Dun PBracer
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I adjust mine depending weather. So my setting wont be the same as yours. But CAM posted a great video on the carb tuning. Ill see if i can find it again.
 

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Discussion Starter · #16 ·
i saw it but my question is,if u make the top needle wouldnt u get like a really good top end???? because at top end u have more air going in and if the mix is richer it should go faster right?? but i dont think thats my problem i just think i need a good exhaust and a good e3 spark plug
 

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Git R Dun PBracer
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I live in central NC. So the air will be alittle thinner than lower FL at sealevel. Put your bike a stand and get it running and idle. Do a high speed adjustment. But when my bike was fully stock with the stock air filter it only went 25mph (if that). After the gutting the starter it went about 27-28mph. Im still looking for that video CAM2 made. But i belive the stock setting is 1 1/4 top and 1 1/2 lower.
 

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Think that's right. Remember this, ever engine is different, I have a bunch and there all tuned different. The colder it gets the more gas you need cause the air is denser.
 
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