1969-1982 Honda CT70, CT70H, CT70K1, CT70HK1 Parts Catalog

This comprehensive parts catalog for Honda CT70, CT70H, CT70K1, CT70HK1 models covers 1969-1982. Part Number HC 37507.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Honda Models Covered & Key Technical Specifications

Models: Honda CT70, Honda CT70H, Honda CT70K1, Honda CT70HK1
Sub-models / Variants: 70, 70H, 70K1, 70HK1
Build Years: 1969–1982
Serial Numbers: CT70 100001–1999999, CT70H 100001–1999999, CT70 2000001–subsequent, CT70H 2000001–subsequent
Technical Data:

  • Engine displacement: 72 cc
  • Fuel tank capacity: 2 gallons
  • Required engine oil capacity: 1.5 US pt. (0.7 liter)
  • Standard tire pressure: 17 lbs/in2 (1.2 kg/cm2)
Technical Specifications
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Document Number / Seller:
28129 / Harold Gomez
File Size:
91.34 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Minibike
Last updated / verified
Apr 12, 2026

Honda Manual Features & Content Preview

1969–1982 Honda CT70 Series Parts Catalog

  • Built for owners and workshops servicing the 1969–1982 Honda CT70, CT70H, CT70K1, and CT70HK1 mini-bikes
  • Official American Honda publication P/N HC 37507, 2nd edition December 1973
  • Documents the complete parts breakdown for the 72 cc engine group and frame assemblies across 100 pages
  • File link appears in your order confirmation straight away
  • OCR text layer lets you jump to a specific part section by keyword
  • This 1973 second edition is the authoritative source for early production components through the CT70HK1 era

Component and Parts Documentation

The 1969–1982 Honda CT70 parts catalog documents every individual assembly for the series. Organized into engine and frame groups, the catalog covers major sub-systems such as the cylinder head, crankshaft and piston, transmission, clutch, carburetor, and steering handle. Expert illustrations accompany every parts list, providing clear exploded views that assist in part identification and assembly. Each table includes part numbers, Honda code H/C markers, and application columns denoting the specific usage for the 70, 70H, 70K1, and 70HK1 variants.

Technical Specification Preview

Detailed reference data is provided throughout the document to assist with correct part selection and maintenance. The catalog contains specific data on JIS and ISO threaded parts, including bolt and nut dimensions and pitch modifications. Users will find essential specifications for identifying and ordering the correct engine and frame components based on serial number ranges. Additional data includes the engine oil capacity and standard tire pressure requirements.

Reference only — always consult a certified technician before performing service on this equipment.

An official 100-page American Honda OEM parts catalog covering the 1969–1982 Honda CT70, CT70H, CT70K1, and CT70HK1, providing exploded-view diagrams and part identification for the 72 cc engine and chassis assemblies.

Manual FAQ, Purchase & Download Details

Does this catalog include part identification illustrations for the Honda CT70 engine and frame systems? keyboard_arrow_down

Document contains detailed exploded view illustrations for engine components and frame parts to assist with component identification.

What specification tables are provided for standard threaded parts in this manual? keyboard_arrow_down

Manual includes reference tables detailing nominal diameters and wrench sizes for bolts and nuts. It also lists information on thread pitch changes for specific fastener sizes.

Which electrical components appear in the wiring diagrams for the CT70 series? keyboard_arrow_down

Wiring diagrams included in the document feature references for the alternator, ignition coil, and various switchgear assemblies. These illustrations show the harness connections for lighting and ignition systems. The diagrams are specific to different production types within the 1969-1982 model range.

Can I use this parts catalog to check the serial number ranges for the CT70, CT70H, CT70K1, and CT70HK1 models? keyboard_arrow_down

Manual contains serial number references that identify production runs for the covered engine and frame variants.

Is technical data regarding fluid capacities or tire pressure provided in the document? keyboard_arrow_down

Manual lists standard values for fuel tank capacity, oil requirements, and recommended tire air pressure. These specifications are provided to identify the correct requirements for the covered models.

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