... dirt bike oil cooled manual clutch 4 up gear New TTR plastic kit, 14"&12" Alloy wheel MIKUNI PZ30 CARB,All alloy 150cc oil ... cooled dirt bike1. Engine: YX 150-5 oil-cooled engine, any gear start, 1 cylinder ... /40ft; 147pcs/40hqavailable colors:red, yellow, blue, green, black 150CC DIRT BIKE--OIL COOLED