Anti-Rust Galvanized Surface,12V Output, Counter-Clockwise Rotation,17 Teeth.5000 Times Endurable Test Approval. Fits for Loncin engine LC170FD,G160FD,G200FD; Lifan engine 168FD; Rato engine R210, R300-V; Ducar engine DH163, DH196,DH208, DH212 ,DH212(E)-N. Replaces OEM Numbers??31210-ZE1-023, MITSUBA: SM-11,Compatible with Honda GX160 GX200 168F 170F 163cc 196cc 208cc 212cc 5.5HP 6.5HP 7.5HP Small Horizontal Gasoline Engine. Replacement for Duromax, Westinghouse engine, generator. Compatiable with for Harbor Freight 212cc Go Kart Gas Engine Package Includes:1 x Starter Motor with Solenoid in white carton box Fast Installation,Easy Start, Brand New Premium Quality, 100% Test Before Package. 1 Year Warranty Drive gear parameters Modulus??2 Number of teeth??17 Pressure angle??20?? Addendum height coefficient??1 Head clearance coefficient??0.25 Modification coefficient??+0.375 Diameter of index circle????34 Package size??7.87″ x 6.5″ x 4.72″. Note: Please check the OEM number and our assembly drawing