Honda CB250/CL250/CB350/CL350 1960s-1970s Shop Manual

Covers CB250/CL250/CB350/CL350 models with procedures for engine, frame, electrical, and other systems. Part Ref: 07000-28601.

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Document Details

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Document Number / Seller:
28057 / Kathleen Jones
File Size:
20.77 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Jan 31, 2025

Models Covered & Key Technical Specifications

Applied Overhaul Service Manual: Honda CB250/CL250/CB350/CL350 1960s-1970s - Comprehensive Service & Repair Guide OEM-Documentation

Serial-Range: CB250/CL250/CB350/CL350 // Serial-Range: Motorcycle / Engine Logic // Serial-Range: Full Service Procedures.

  • Reference Form Factor: 79.5 in establishes the overall motorcycle length.
  • Integral Output Quality: For optimal operation, 2,020 mm denotes the standard metric length measurement.
  • General Fastener Specs: The torque for frame bolts ranges from 180-250 kg. cm, ensuring secure assembly.
  • Essential Tolerance Values: Cylinder head bolts require 60-70 kg-cm (43-51 ft-lb) torque for proper seating.
  • Baseline Amperage Specs: The battery capacity is rated at 12V-12AH for consistent power supply.
  • Established Unit Dimensions: Engine weight is 119.1 lb (54 kg), indicating substantial component mass.

Professional Workshop Service Manual & Technical Specifications

Applied Overhaul Service Manual: Honda CB250/CL250/CB350/CL350 1960s-1970s - Comprehensive Service & Repair Guide OEM-Documentation

Serial-Range: CB250/CL250/CB350/CL350 // Serial-Range: Motorcycle / Engine Logic // Serial-Range: Full Service Procedures.

Metric System-Path Architecture
Overall Length 79.5 in (2,020 mm) Vehicle Dimensions
Wheel Base 52.0 in (1,340 mm) Frame Structure
Max Horsepower 33 PS/9,500 rpm Engine Performance
Max Torque 2.67 kg-m/8,000 rpm Engine Output
Fuel Consumption 50 km/liter at 35 kph Operational Efficiency
Battery Capacity 12V-12AH Electrical System

Systematizing the service groups into: Engine, Special Tools, Technical Data, Frame, and Electrical Parts, this manual provides a thorough overview.

Engine Procedures

This manual details engine removal and installation, along with comprehensive component analysis for the cylinder head, cam case, crankshaft, and piston assembly. It documents procedures for disassembly, inspection, and reassembly of key engine components.

Frame Specifications

Coverage includes handlebars, fork bridge, front cushion, steering stem, fuel tank, frame body, seat, and exhaust pipe. It outlines construction, disassembly, inspection, and reassembly steps for each part.

Electrical Systems

This section details the ignition system, power supply, battery, starter, and wiring diagrams. It covers maintenance and troubleshooting for these critical electrical components.

Torque specifications are documented for various engine and frame components to ensure proper assembly and prevent structural misalignment prevention.

FAQ

Determine the **specific** torque specifications for the crankshaft bearing bolts. keyboard_arrow_down

40-50 kg-cm is the specified torque for the four center bearing cap bolts, essential for secure crankshaft installation and preventing misalignment.

What specifications are **designated** for safety precautions when servicing the electrical system? keyboard_arrow_down

Always disconnect the battery and ensure the ignition is off before working on any electrical component to prevent short circuits and potential damage.

Check the **critical** lubrication requirements for the engine oil. keyboard_arrow_down

For engine oil, drain and refill with new oil after the first 300 miles and every 2000 miles thereafter; use SAE 10W-30 for all seasons.

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Reviews (4)

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I appreciate how detailed the manual is. The illustrations really help in understanding complex parts. Customer support was also very responsive when I had questions.
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The troubleshooting guide is excellent; it helped me fix a persistent issue quickly. Plus, the download process was smooth and efficient. Thanks!
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Very comprehensive! I was impressed with how easy it was to download and access. The manual covers everything you need to know about the CL250 and CL350.
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New
This manual made my maintenance tasks so much easier! The step-by-step guides are clear and the diagrams are incredibly helpful. Highly recommend!