Honda gx420 electric start Villiers Electric start Q shaft engines all standard sizes complete with key modules and charging coils ... Loncin G420FQ is a 15hp quality replacement electric start start engine for most standard 1" Q shaft with key way industrial engine applications. Features include oil alert engine protection Standard engine mountings and very competitive prices. Loncin Petrol Engines Full range of power units from 6½ to 13hp quality engineered for a long service life. Standard frame sizes and will interchange with most US and Japanese built machines, full electric start with key module and built in charging coils Shaft sizes G200 3/4" Q shaft G240-390 1" Q shaft