1967-1973 Honda CB125, CB175, CL125, CL175 Shop Manual
This Shop Manual is a servicing guide for the CB125, CL125, CB175 and CL175. It documents procedures, specifications, and diagrams to assist with maintenance and repairs.
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Sample pages from the 1967-1973 Honda CB125, CB175, CL125, CL175 Shop Manual manual
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Honda Models Covered & Key Technical Specifications
Models: Honda CB125, CB175, CL125, CL175
Sub-models / Variants: CB125K1, CB125K2, CB125K3, CL125K1, CL125K3, CB175K0, CB175K3, CB175K4, CL175K0, CL175K3, CL175K4, General Export Type, U.S.A. Export Type
Build Years: 1967–1973
Serial Numbers: CB125K1 Engine No. 2000011–, Frame No. 2000000–; CB125K2 Engine No. 3000001–, Frame No. 3000001–; CB125K3 Engine No. 4000001–, Frame No. 4000001–; CL125K1 Engine No. 2000001–, Frame No. 2000001–; CL125K3 Engine No. 4000001–, Frame No. 4000001–; CB175 Engine No. 1000001–, Frame No. 1000001–; CB175K3 Engine No. 4000001–, Frame No. 4000001–; CB175K4 Engine No. 5000001–, Frame No. 5000001–; CL175 Engine No. 1000001–, Frame No. 1000001–; CL175K3 Engine No. 4000001–, Frame No. 4000001–; CL175K4 Engine No. 5000001–, Frame No. 5000001–
Technical Data:
- Engine displacement: 124 cc and 174 cc variants
- Engine type: Air-cooled 4-stroke cycle parallel twin
- Transmission: 5-speed constant-mesh
- Lubrication: Forced pressure and wet sump
- Idle speed: 1,200 rpm
- Valve clearance (cold): 0.05 mm (0.0020 in)
Honda Manual Features & Content Preview
1967–1973 Honda CB125, CB175, CL125, CL175 Shop Manual
- The 1967–1973 Honda CB125, CB175, CL125, CL175 shop manual covers essential servicing for 125cc and 175cc twin-cylinder models including K-series variants
- Official Honda Motor Co. publication 6230401, dated June 25, 1974
- Includes 12 detailed exploded-view diagrams for engine components, specialized tool reference lists, and comprehensive transmission gear-shifting schematics
- 161 pages covering engine, frame, electrical system, and carburetor specifications
- Delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- Stored against your account so you can retrieve it after a hard-drive loss
- This vintage shop manual remains the authoritative source for correct 1967–1973 Honda CB and CL twin engine tolerances and build standards
Documentation Walkthrough
The 1967–1973 Honda CB125, CB175, CL125, CL175 shop manual provides technical details for engine removal, cylinder head construction, and cam chain tensioner adjustments. Chapters detail the internal mechanisms of the 5-speed transmission, shift drum assembly, and kicker starter components while providing guidance on the variable venturi carburetor systems found across both displacement classes.
Additional sections document the motorcycle frame structure, including telescoping fork front suspension, swing arm rear suspension, and braking system components. Wiring diagrams for both US and general export models are included to facilitate electrical diagnosis, with specific coverage of the ignition circuit, battery charging, and A.C. generator output.
Specification Highlights
This publication lists engine assembly torque values and wear limits for piston, connecting rod, and crankshaft components to assist in verifying internal tolerances. Cylinder head bolt torque values are documented at 180–230 kg-cm (13.0–16.7 ft-lbs).
Valve tappet clearance for the intake and exhaust is specified at 0.05 mm in the cylinder head specification table. The engine oil capacity is documented at 1.5 liters for the CB/CL175 engine series. Intake valve clearance is maintained at 0.05 mm to ensure optimal engine performance and reliability. How factory workshop documentation is structured provides further context on utilizing these specs.
Reference only — always consult a certified technician before performing service on this equipment.
An official Honda OEM workshop manual covering the 1967–1973 Honda CB125, CB175, CL125, CL175, documenting engine, chassis, electrical, and fuel-injection specifications for the respective twin-cylinder motorcycle variants.
Document Reference: Honda Motor Co., Ltd. 6230401, dated June 25, 1974
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