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Safety precautions for engine operation and fuel handling.
Guidelines for servicing the motorcycle, including parts and tools.
Recommended maintenance intervals and tasks for the motorcycle.
Steps for changing the engine oil and filter.
Steps for adjusting valve clearance.
How to synchronize carburetors for optimal performance.
How to check and adjust drive chain tension.
Steps for removing the carburetors from the engine.
How to adjust the float level in the carburetor.
Detailed steps for removing the engine from the motorcycle frame.
Steps for installing the engine back into the motorcycle frame.
Procedure for removing rocker arms and camshaft.
Steps for removing the cylinder head.
Steps for removing the piston pin and piston.
Inspecting piston rings and grooves for clearance and wear.
Procedure for removing the entire clutch assembly.
Measuring clearances for oil pump tip, body, and end.
Procedures for disassembling the crankcase into halves.
Steps for assembling the crankcase halves.
Checking connecting rod side clearance and removing rods.
Inspecting main bearing inserts and measuring oil clearance.
Procedures for disassembling the transmission.
Assembling transmission main and countershafts.
Steps for removing the front wheel from the motorcycle.
Steps for removing the front fork assembly.
Steps for assembling the front fork components.
Steps for removing the rear wheel from the motorcycle.
Steps for removing the shock absorbers.
Assembling the shock absorber components.
Detailed steps for bleeding the hydraulic brake system.
Information on brake master cylinder disassembly and inspection.
Steps for removing and assembling the brake caliper.
Troubleshooting guide for power and charging system failures.
Testing charging system output with voltmeter and ammeter.
Troubleshooting guide for engine start and running problems related to ignition.
Testing C.D.I. unit continuity and resistance.
Inspecting starter motor brushes and measuring length/tension.
Testing the magnetic switch continuity.
Explanation of the balancer mechanism and its function.
Description of the 3-valve, short-stroke engine design.
Explanation of the C.D.I. electronic ignition system.
Troubleshooting guide for starting issues with possible causes.
Troubleshooting guide for lack of engine power.
Troubleshooting guide for poor performance at high speeds.
Maintenance schedule for 1979 models.
Specifications and troubleshooting for hydraulic disc brake.
Model identification for 1980 models.
Specifications for 1980 models.
Carburetor specifications and high altitude adjustment for CM400T.
Model identification for 1981 models.
Specifications for 1981 models.
Carburetor synchronization procedure for 1981 models.
Brake pad replacement for CB400T/CM400C.
Safety precautions for engine operation and fuel handling.
Guidelines for servicing the motorcycle, including parts and tools.
Recommended maintenance intervals and tasks for the motorcycle.
Steps for changing the engine oil and filter.
Steps for adjusting valve clearance.
How to synchronize carburetors for optimal performance.
How to check and adjust drive chain tension.
Steps for removing the carburetors from the engine.
How to adjust the float level in the carburetor.
Detailed steps for removing the engine from the motorcycle frame.
Steps for installing the engine back into the motorcycle frame.
Procedure for removing rocker arms and camshaft.
Steps for removing the cylinder head.
Steps for removing the piston pin and piston.
Inspecting piston rings and grooves for clearance and wear.
Procedure for removing the entire clutch assembly.
Measuring clearances for oil pump tip, body, and end.
Procedures for disassembling the crankcase into halves.
Steps for assembling the crankcase halves.
Checking connecting rod side clearance and removing rods.
Inspecting main bearing inserts and measuring oil clearance.
Procedures for disassembling the transmission.
Assembling transmission main and countershafts.
Steps for removing the front wheel from the motorcycle.
Steps for removing the front fork assembly.
Steps for assembling the front fork components.
Steps for removing the rear wheel from the motorcycle.
Steps for removing the shock absorbers.
Assembling the shock absorber components.
Detailed steps for bleeding the hydraulic brake system.
Information on brake master cylinder disassembly and inspection.
Steps for removing and assembling the brake caliper.
Troubleshooting guide for power and charging system failures.
Testing charging system output with voltmeter and ammeter.
Troubleshooting guide for engine start and running problems related to ignition.
Testing C.D.I. unit continuity and resistance.
Inspecting starter motor brushes and measuring length/tension.
Testing the magnetic switch continuity.
Explanation of the balancer mechanism and its function.
Description of the 3-valve, short-stroke engine design.
Explanation of the C.D.I. electronic ignition system.
Troubleshooting guide for starting issues with possible causes.
Troubleshooting guide for lack of engine power.
Troubleshooting guide for poor performance at high speeds.
Maintenance schedule for 1979 models.
Specifications and troubleshooting for hydraulic disc brake.
Model identification for 1980 models.
Specifications for 1980 models.
Carburetor specifications and high altitude adjustment for CM400T.
Model identification for 1981 models.
Specifications for 1981 models.
Carburetor synchronization procedure for 1981 models.
Brake pad replacement for CB400T/CM400C.
General| Displacement | 395 cc |
|---|---|
| Bore x Stroke | 70.5 mm x 50.6 mm |
| Compression Ratio | 9.3:1 |
| Transmission | 5-speed |
| Final Drive | Chain |
| Front Suspension | Telescopic fork |
| Rear Suspension | Dual shock absorbers |
| Front Brake | Single disc |
| Rear Brake | Drum |
| Engine Type | Air-cooled, parallel twin |
| Ignition | Capacitor Discharge Ignition (CDI) |
| Seat Height | 780 mm (30.7 inches) |
| Carburetion | Twin Keihin carburetors |
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