Moto&Parts-Engine-PB04-AIII YX140 Engine

☆. Description
YX140 Phase 5 generation New needle roller bearing gear box ;
☆. Bore * Stroke: 56mm*57mm;
☆. Gearbox: all up gears N-1-2-3-4, starts in any gear

Includs STD Gear shifter, Kick Starter, Mainfold;