Honda GC160 Engine 1999–2000 Service Manual (P/N 61SV400)

• Official OEM Honda publication P/N 61SV400 (Engine prefix GCAH(A)-1000001-FORWARD)
• Documents exact mechanical specifications and clearances for the 1999–2000 Honda GC160 production run
• Applies to multiple horizontal shaft PTO configurations, including Q, V, and P types
• Features 12 detailed exploded-view diagrams, 16 specification tables, and two complete wiring schematics

Engine Service Documentation

This 80-page factory publication acts as the definitive bench reference for the 160cc 4-stroke overhead camshaft engine. It breaks down the mechanical systems you deal with daily. You get an unobstructed look at the internal architecture, from the crankshaft and piston assemblies directly to the valve train and Honda's unique internal timing belt.

The documentation thoroughly maps out auxiliary systems. It reviews the governor mechanism and the integrated oil alert system, giving technicians a clear baseline for how these components interact. Working on internal engine components requires strict adherence to the manufacturer's safety procedures and torque sequences detailed within these pages to prevent component failure or severe shop accidents.

Specification Highlights

Guesswork has no place in engine rebuilding. This document supplies the high-precision maintenance standards required for accurate assembly and troubleshooting.

You will find authoritative factory data. Cylinder compression tests should read 0.49 MPa (71 psi) at 600 rpm. The spark plug gap is factory-set at 0.7 to 0.8 mm (0.028–0.031 in) for reliable ignition. Connecting rod big end oil clearance sits at a standard 0.040 to 0.063 mm. By outlining these critical dimensions alongside exploded views, the reference material gives professionals and hands-on owners the precise data needed to maintain consistent performance. This overview details the manual's technical parameters and contents, serving as a reference guide for the documentation itself rather than direct repair instructions.