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Old 04-06-2005   #1
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X6 4 stroke clutch question


I got my x6 used about 3 weeks ago for $200 (the bike wouldnt start and the previous owner didnt know it was because the starter chain wasnt on lol)...so i started by opening up the exhaust port, removed the weld material inside the header pipe, advanced the timing, rejetted the carb, port matched the intake manifold, removed the governor, put a cone filter on, and thats it..bike runs GREEEAAATTT but im pretty sure its not a 50cc because even stock i was killing many of my friends 50cc x7s...but my question is where the hell is the clutch in this thing...due to my porting on the intake side of the head, the low end bog has gotten even worse because its engaging too low so i would like to remove and lighten it...if anyone can explain to me where it is or if you have any pics ill be very greatful....oh by the way next upgrade after the clutch is lightening the flywheel and milling the head...if you notice im doing as many mods as i can to the stock motor for cheap...all walk throughs will be posted once i have completed

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Old 04-06-2005   #2
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You sound a bit like me. luckily i own a machine shop so doing mods is no problem here. as for you clutch system they use various styles of wet plate systems, just like a real bike. system consists of drum, drive plate and 2 or more clutch plates and spacers. that is if china copied the honda clutch system and didnt use their own design. the clutch drum assembly is on the side of the motor where your dipstick is. going thru my honda manuals the best thing to do would be either lighten the clutch weights or get springs with less tension. i havent done this myself but i do have a 70cc chonda that im going to be tearing into this weekend if time permits.
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Old 04-06-2005   #3
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yeah well i work at a import car shop down here so i have access to machine shops...i have a 72cc motor in my bike but that seems like allot of work to lighten the clutch...what i may do because i am trying to keep my mods easy is just raise the compression and advance the cam timing a lil bit...that should bring my powerband down...im planning on install a 16 tooth countersproket and 33 tooth rear sprocket as soon as i get my motor str8 so im not too worried about loosing top end
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Old 04-06-2005   #4
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if you go to a 16/33 combo you'll gain top speed not botom. i think the stock x6 gearing is 14/37. i have the 110 in mine and am throwing in the 16t front to get a bit more top speed. 36mph so far with only tuning and a K&N filter. she fricken wheelies on command but i dont need that out of this bike ive got other bikes for stunting, i want to go 40+ or 50+ or more after porting, milling polishing, remaped cdi, cam and some clutch and gearing mods.
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Old 04-06-2005   #5
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i know thats what i mean...Im going to lose some power up top from advancing the cam but ill get back top end from the sprockets so ill be in the same place...truthfully i dont know what motor is in mine...i know wheelies and burnouts are no problem lol and that i smoke every x7 4t ive been up against...but beyond that i dont know..it even killed my x7 4t stamped 48ccs with a e22 head...i havent torn down either bike yet but the motor on my X6 is noticably bigger
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