... 3.Alloy pull start , alloy head muffler ; Engine: 1 cyclinder,2 stroke, air cooled,49ccDispacement: 44ml Compression ratio: 7. ... 5:1Max. power(kw/r/mim): 2/ 7500Max. torque(N.m/r/min): 2.3/3600 Transmission: Chain drive , ... 3.00-4Petrol tank volume:1.8LMax. speed: ~36kmphBrake system: Front 2 disc brakes and rear 1 disc brakeSuspension: Front double ... , 208pcs/40'HQ Unique mini quads JA 49-1 (2 storke)