3Service RulesEngine Model / Serial Number LocationThe engine model and serial number are stamped into the crankcase, near the fuel tank.XXX-XXXX XXXXXXXXXXX1. Only use genuine Toro parts and lubrication products.2. Always install new gaskets, O-rings and seals when assembling engine.3. Always torque fasteners to specification and in sequence.4. Always lubricate friction components with clean engine oil or engine assembly lubewhen assembling engine.Engine Model andSerial NumbersEngine Model Serial Number1