2006 Honda GX610 & GX620 General Purpose Engine Parts Catalog Set (P/N 13ZJ00E2, 13Z6C602, 13ZJ10E7)

Honda GX-Series parts catalogs 13ZJ00E2, 13Z6C602, and 13ZJ10E7 cover GX610/GX610K1 and GX620/GX620K1 engines, plus GX610U1/GX610R1 and GX620U1/GX620R1. Separate listings cover GX610, GX620, and GX620K1 propane types.

• Engine assemblies: Exploded views and parts lists for cylinder heads, valve train, cylinder barrels, crankcase covers, crankshafts, pistons, and camshafts.

• Intake, fuel, and exhaust: Carburetor variants, air cleaners, fuel tanks, fuel pumps, mufflers, and spark arresters, with OEM part numbers and quantities.

• Starting and electrical parts: Recoil starters, starter motors, flywheels, ignition coils, charging coils, control boxes, combination switches, and battery components.

• Controls and accessories: Throttle/governor controls, auto throttle, oil coolers, winter kits, and gasket kits, with model- and type-specific parts assignments.

• Fitment and revisions: Engine serial tables, carburetor identification charts, equipment comparisons, and Parts Catalogue News covering revised components and additional variants.

• Labor reference and indexing: Flat Rate Service Time entries, Labor Operation Numbers, and illustrated, part-number, and part-name indexes.

Suited to mechanics and parts-counter staff who use stamped engine identification codes and exploded views to select replacement components.

Serial Breaks and Variant Matching

The identification tables connect engine type, serial number, and carburetor identification number to the applicable parts listings. The GX610K1 and GX620K1 tables distinguish original and /A catalog codes, while the U1/R1 catalog has its own model assignments.

Matching these identifiers helps separate similar-looking carburetors, ignition components, and crankshafts before ordering. The equipment tables also distinguish standard, selective, and optional equipment, including shaft configurations and charging systems.

Parts Catalogue News: The appended updates record changed part numbers, quantities, and serial applications. Variant supplements list differences from a specified base type: GX610K1-QZK refers back to QZF8/A for unlisted parts, while added R1 types refer to corresponding U1 base types.

Exploded Views and Repair Scope

Chapters organize components into engine groups. The Cylinder Head, Crankcase Cover, Carburetor, Starter Motor, and Control Box views link numbered callouts to parts lists, quantities, and application codes.

These catalogs support parts identification and repair planning; they do not provide step-by-step repair procedures or electrical troubleshooting instructions. Honda notes that illustrations may differ from the actual parts, so the drawings should be read with their application tables.

Flat Rate Service Time

The FRT tables provide labor allowances for work such as cylinder-head removal and installation, carburetor overhaul, valve-clearance adjustment, and throttle/governor adjustment. Labor Operation Numbers and inclusion/exclusion notes identify the work covered by each allowance.

The accompanying notes refer service methods to a separate service manual. An FRT entry identifies a service operation and its allotted time; it does not supply the procedure.

Bulk Hose Identification

Bulk-hose references explain fuel, general-purpose, and vinyl hose codes, including inside and outside diameters and the corresponding bulk part numbers.

Honda's hose warning addresses the danger of substituting general-purpose or vinyl hose for fuel hose. Hose size alone does not establish suitability for a fuel circuit.

Examples of Fastener and Hose Dimensions

These are two examples of the component identification details recorded in the catalogs.

For TXF2 versions of GX610U1, GX620U1, and GX620R1, the crankshaft parts list identifies bolt 90003-ZE3-600 as 3/8-24UNF, 25 mm long.

The bulk-hose reference identifies vinyl-hose code 23 as 8.0 mm inside diameter and 12.0 mm outside diameter. The hose type and bulk part number are also part of its identification.

PDF Navigation and Included Catalogs

Text search and bookmarks: Catalog and supplement text supports PDF search. Embedded bookmarks link to the three catalogs, component groups, indexes, and Parts Catalogue News sections.

The download is one printable PDF with 771 pages: GX610/GX610K1, 227 pages; GX610U1/GX610R1/GX620U1/GX620R1, 163 pages; GX620/GX620K1, 380 pages; and one additional front page. The catalog totals already include 54, 24, and 108 pages of Parts Catalogue News, respectively, along with the original covers, indexes, and seven blank pages across the set.