VMC Chinese Parts Part number: 929-TC085-50 Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Timing Chain Cover - 110cc Round - Version 110 - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Chinese Timing Chain Cover Known to fit 110cc engines. A cover for the timing chain on the 110cc engine. Starter gear cover details: Attaches with 6mm bolt Diameter of cover: 71.2mm [2.8"] 3 small mounting tangs Smooth outside surface.