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Old 12-08-2008, 10:10 AM
jason4207 jason4207 is offline
Motorized Bicycle Newbie
Join Date: Dec 2008
Location: Concord, NC
Posts: 16
Default New member needs help w/ 48cc 4-stroke (chinese)

Hey guys! New member here. I joined to try and get some help w/ a recent project. I recently acquired a free mini-ATV. It was not running when I got it (that's why it was free), but I've been trying to resurrect it. I know it's not a motorized bike, but I was hoping to find some help w/ the engine itself.

I completely dismantled the electric start system trying to figure out how it worked (and why it wasn't working). I managed to get that going. I then proceeded to put some gas in the tank. I can't get it to fire yet, but before I proceed I need to fix another problem...gas leak. [side not pour gas inside the garage...the garage stinks, and it starting to permeate into the house.] There is a small hose coming out the bottom of the carburetor, but it is broken off. I'm not sure where it's supposed to go, but I'm guessing it might be a return line to the top of the gas tank (pure guess...I'm still a novice mechanic, but pretty handy).

Anyway, any help I can get to get this little monster running again would be greatly appreciated. My 7yr old was so excited last night as I put some gas into it. He's really hoping I can get it am I!

I searched online, and this model looks to be identical except that mine is red where this item is camo-blue.

1) Max. speed: 55km/h
2) Engine: 50cc, 4-stroke, air-cooled
3) Fuel: gasoline
4) Fuel tank volume: 4.5L
5) Ignition: CDI
6) Start system: electric or remote start
7) Transmission: chain drive system
8) Front / rear suspension: hydraulic pressure shock absorber
9) Dual suspension / shock-absorber system: dual swing arms
10) Tires: 145 x 70-6
11) Brake: rear disc (brakes the axle)

I can take some pics of the engine if it would help.

Thanks in advance!

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