Performance Engine for 49cc Gas Scooter
This 52cc Race Cylinder Kit is for all 43 / 49cc midibikes, Mach1 Gas Scooters, G Scooters, Tornados etc. Quads, Powerboards and Pocket Cross with 43 / 49cc piston port engines.
The cylinder was machined in the inlet and outlet as well as the timing and compression modified. The piston was relieved and also adapted to the timing, dome cap with 15:1 compression, modified 19mm Walbro HDA carburetor with sport air filter, revised 19mm intake manifold, NGK spark plug etc. provide for a tremendous torque and a speed of over 12,500 rpm*
The carburetor is set to basic and can be adapted to any air temperature and pressure thanks to its high and low speed screw!
Mixing ratio 1:30, after 2.5 liter run-in 1:40 with minimum 98 Octane and two stroke racing oil
* We recommend the racing exhaust 020202 or another sports exhaust system for this engine. This Engine comes without Exhaust. You can mount the stock pipe, this is possible.
Basic setting of the carburetor with exhaust 020202:
Highspeed screw: 3.5 turns outwards
Low-speed screw: 1.5 - 2 turns outwards