This document provides technical specifications and service instructions for clearing saw model 101 88 04-26 165R. It contains information on the fuel system, carburetor, electrical system, cylinder, piston, crankcase, starter, controls, transmission system, and special tools required for maintenance. The carburetor section describes how to dismantle the carburetor for cleaning and inspecting it for leaks using a pressure tester. Tightening torques and fuel mixture ratios are also specified.