ENGINETigerCat, Hydro-Retriever 4500 Service Manual________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________GASOLINE AND PROPANE ENGINE SPECIFICATIONSAlternator 55 AmpCooling System Capacity 7 Qts (6.6 l)Displacement 1.3 literEngine Manufacturer FordEngine Model Number VSG 413Engine Type 4 cyl., in line, liquid cooledFiring Order 1, 2, 4, 3Idle Speed 1200 rpmIgnition DistributorlessOil Capacity 3.5 quarts (3.25 liter)Oil Filter Motorcraft FL-100A or equivalentSpark Plugs Motorcraft AGSF22CSpark plug Gap .040 inch (1 mm)Valve Lash, Exhaust (cold) .013 inch (.32 mm)Valve Lash, Intake (cold) .009 inch (.22 mm)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________OTHER MANUALS FOR THIS ENGINEThe following Ford Engine Manuals are available from the Advance Literature Service Department:• Ford Engine Repair Manual - Ford Form Number 194264• Ford Engine Parts List - Ford Form Number 194265________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ENGINE OILThe engine oil and filter should be changed every 100 hours of operation. Use 10W-30 or 10W-40 motor oilthat meets API specification SG, SG/CC or SG/CD.64