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Sportbikes / Re: aftermarket availability for zongshen???
« on: October 10, 2008, 07:26:37 PM »
saturdaynightcycles.net carry zongshen parts.
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Sportbikes / Re: k&n air filter
« on: October 10, 2008, 07:24:22 PM »
i found a k&n that would fit but with it on (clamped to the carb) the bike runs horribly they have it running so lean from factory there is not enough fuel to compensate for the extra air. only fix is to re jet the carb. I just put the airbox back on and called it a wash.
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Sportbikes / Re: ZS250GS Technical problems
« on: July 11, 2008, 06:55:02 PM »
well the little pollution pump on the right front of the bike was removed and i re routed the hoses. eliminated the small hose from the intake to the pump and to the carbon canister on the left front of the bike.Just put a vacume cap on the nipple on the intake. the crank case breather was split three ways and i re routed it directly to the air box. did leave the carbon canister with only the fuel tank vent hooked to it just in case.As far as the tube coming out of the head i took the fitting out of the head and put a small weld in it to seal it off. otherwise it would be a direct exhaust leak. I have reached 80 mph on my bike and i am a big fellow. I have a 35 mile commute to work and i average 65 mph not pushing it. I can run 70-75 but it has to be hard on the bike for that extended amount of time. thinking of regearing the bike to bring the rpms down some. also an exaust change to help it brethe. Im gonna push my little zongshen to the max see waht it can handle(without killing it). I belive this bike has alot of potential that was ruined by pollution junk.
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Sportbikes / Re: ZS250GS Technical problems
« on: July 09, 2008, 01:17:16 PM »
thanks for all the input and help. I finaly found that the air filter was saturated in oil changed it and eliminated the pollution stuff and it runs likle a dream. i mean really how much pollution can such a small engine emit? seems to have helped performance. thanks again for all the help
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Sportbikes / Re: ZS250GS Technical problems
« on: July 08, 2008, 04:36:57 AM »
hi my bike is surdging real bad at higher rpms. at about 65mph to 70 it is the worst. if i rev the engine in netural you can feel and hear the surdging starting at 6000 rpms. checked fuel delivery no problem there. any body know anything about the ignition system does it have a revlimiter ect? everything else on the bike is great just one little bug.
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Sportbikes / Re: New to 250 GS
« on: June 28, 2008, 06:00:26 PM »
Hi guys just got my new gs250 and love it. Im a big guy but it is good enough for me. it take my 280lb self just fine. mine runs real good on 110 octane racing fuel that i keep for my mustang. has anybody checked out the aftermarket products that saturdaynightcycles carry for these bikes? think they will help like the exhaust ect?
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