2007 Honda GK3SOH1 (13hp) Parts Catalogue / Service Manual

Technical Scope and Specifications

• Covers 2007 Honda GX390H1 and 2003 GX390K1 general purpose engines, including LH, QH, SH, SHE, SM11, SX, SXC, SXE, VX, VPX4, and VSP variants.
• Original OEM publication 13Z7E801 dated 2007 and 13ZF60E8 dated 2003.
• Contains 47 exploded-view diagrams and 35 pages of part-index cross-references covering over 50 specific model codes.
• Delivered as a direct download the moment payment clears.
• Stored against your account so you can retrieve it after a hard-drive loss.
• Page spreads stay legible when printed at original size.
• Full-text search finds any part number in seconds.
• This bundle includes the definitive 2007 parts catalogue for the 13HP GX390H1 alongside the comprehensive 2003 service documentation for the GX390K1 engine series.

Component and Assembly Documentation

This manual provides detailed visual representations of the engine, breaking down the cylinder head, crankcase, crankshaft, and piston assemblies. The documentation includes carburetor identification and setup, air cleaner filtration configurations, and muffler assembly specifications. Electrical components, such as the starter motor, ignition coil, and control box, are documented with part number cross-references. Maintenance items like oil seals, gaskets, and filter elements are clearly cataloged for the various sub-model types. The provided content ensures correct identification of proprietary Honda components using exploded-view illustrations.

Technical Data and Maintenance References

The technical data section documents critical reference values for engine maintenance and assembly. Engine oil capacity for the GX390 series is specified at 450 ml, while total system fluid requirements are rated at 750 ml. The ignition system requires 12 V power input for proper starter motor operation. Thread dimensions for control system components are set to 10 mm. Cylinder head bolting and internal tolerances are referenced through the part-code indexing system. The official 1105-page bundle provides technical specifications for the GX390K1 and GX390H1, detailing engine, chassis, and cooling system configurations across the specified 2003–2007 build ranges.