Husqvarna 340, 345, 346XP/G, 350, 351 Chainsaw Workshop Manual OEM (P/N 101 90 26-26)

• Official 50-page Husqvarna OEM workshop publication (document part number 101 90 26-26) documenting essential engine, chassis, electrical, and carburetor specifications.
• Details 340, 345, 346XP/G, 350, and 351/G variants, including targeted data for sub-systems like hand grip heating elements.
• Features 47 exploded-view technical illustrations for quick visual reference during bench work.
• Includes specialized tool reference tables and critical torque specifications to ensure precise assembly.

Component and Sub-assembly Walkthrough

Navigating complex teardowns requires accurate factory data. This reference breaks down every major sub-assembly on the 340 through 351 series, providing comprehensive overviews of the carburetors, fuel routing, and ignition modules. It details the exact mechanical layout of the crankcase, crankshaft, starter, and centrifugal clutches. Working on G-series units? The documentation maps out the hand grip heater systems alongside standard maintenance items like the chain brake and silencer. Each section flows logically from removal to inspection criteria. This structure helps technicians quickly verify internal component wear against factory tolerances directly on the workbench.

Engine and Carburetor Technical Data Preview

Precision is non-negotiable when rebuilding high-RPM two-stroke engines. Always disconnect the spark plug and engage the chain brake prior to opening the casing to ensure a safe workspace. Inside, the document provides the exact torque values required for reassembly. Cylinder bolts require 8–10 Nm. For the 340, 345, and 350 models, crankcase assembly torque hits 14–16 Nm. The ignition module air gap must be set precisely at 0.3 ± 0.1 mm. Fuel system tuning relies on specific data for the Walbro HDA 154A carburetor, featuring EPA-certified adjustment procedures in Appendix A. Factory baseline settings dictate 1 turn out for both the High and Low needles, giving mechanics a reliable starting point for final tuning and optimal power delivery.