YC Yier 140cc 4-Stroke Engine Kit YC-TD605-3 with Electric & Kick Start

YC Yier 140cc replacement engine for compatible pit and mini dirt bike applications. The horizontal, air-cooled single-cylinder 4-stroke engine produces 7 kW at 8,500 rpm and 9.5 N·m of torque at 5,500 rpm. It features a manual wet clutch, 4-speed 01234 transmission, electric start in the lower position, and kick start. The kit includes a kick starter lever, gear shift lever, manifold set, engine cover, wiring harness, carburetor, air filter, clutch lever and cable, twist throttle with cable, and exhaust pipe with muffler. Verify mounting dimensions and vehicle compatibility before installation.