This McCulloch Service Guide is the same guide/manual that McCulloch DEALERS/MECHANICS used to service your McCulloch Chain Saw. This manual contains instructions for the dis-assembly and reassembly of your chain saw as well as mutiple exploded schematics/diagrams of important parts of you saw. This manual gives you step by step instructions with figures that guide you through the repair of your McCulloch Chain Saw. The McCulloch Service Guide covers items like: * SPARK PLUG * CARBURETOR * IGNITION * LUBRICATION - oil type & mixture ratio * REPAIRS - PISTON, RINGS, & CYLINDER * CONNECTING ROD, CRANKSHAFT & CRANKCASE * CLUTCH * DECOMPRESSION VALVE * OIL PUMP * REWIND STARTER * TORQUE VALUES (to make sure the part is properly tightened) If you are repairing or restoring you saw, this manual is best used in conjunction with the appropriate DEALER SERVICE GUIDE and PARTS LIST. THE DEALER SERVICE GUIDE directs you through the dis-assembly and reassembly operations for you saw while the PARTS LIST gives you more detailed schematics with the corresponding McCulloch part numbers.