250cc 3 wheel motorcycle 1,OEM accept 2,reasonable price 3,short production time 4,satisfactory after-sales service 250cc 3 wheel motorcycleEngine specificationitem number: HY250ZH-3I engine type ZHONGSHEN engine single cylinder,4-stroke,water-cooledbore×stroke 67×65 working volume 229.2cc Nominal displace 250cc Compression Ratio 9.0/1 starter system electric/kick Ignition Model C.D.I. advance ...