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General| Displacement | 496 cc |
|---|---|
| Bore x Stroke | 82 mm x 94 mm |
| Front Suspension | Girder fork |
| Rear Suspension | Rigid |
| Brakes | Drum brakes front and rear |
| Ignition | Magneto |
| Final Drive | Chain |
| Engine Type | Single cylinder, four-stroke |
| Power Output | 13 hp at 4, 200 rpm |
| Transmission | 4-speed, manual |
| Weight | 168 kg (dry) |
| Wheelbase | 1, 422 mm |
| Fuel Capacity | 3.5 gallons (13.2 liters) |
Details on maintaining lubrication system pressure and troubleshooting.
Checking and adjusting exhaust valve lifter for proper clearance.
Procedure for setting valve tappet clearances.
Setting the ignition timing for optimal performance.
Adjusting the needle position for fuel mixture.
Setting the throttle stop screw for idle speed control.
Adjusting the pilot air screw for slow running mixture.
Identifying and correcting rich/weak mixture conditions.
Spark plug type, cleaning, and gap setting.
Diagnosing issues related to spark plug performance.
Steps to remove the cylinder head for decarbonising.
Procedure to remove the cylinder barrel.
Steps for removing engine valves.
Guide for installing new valve guides.
Process for grinding engine valves.
Inspecting and replacing piston rings.
Instructions for removing the chaincase.
Steps to remove the clutch assembly.
General procedure for dismantling the engine.
How to remove the magneto pinion.
Procedures for fitting and aligning engine flywheels.
Installation and timing of engine gears.
Cylinder and piston assembly and checks.
Adjusting the clutch mechanism.
Adjusting the front drive chain tension.
Adjusting the rear drive chain tension.
Procedure for removing the gearbox.
Steps for dismantling the gearbox.
How to dismantle the gear change mechanism.
Procedures for reassembling the gearbox and gear change.
Dismantling and reassembling the rear hub.
Adjusting the rear brake.
Process for relining brake shoes.
Adjusting the steering head for play.
Adjusting fork links and checking for play.
Adjusting the fork damper.
Reassembly of front forks and steering head.
Guide to using the chain rivet extractor.
Method for shortening a worn rear chain.
Steps to repair a damaged chain.
Procedure for fitting a new rear chain.
Method for measuring chain wear.
Details on the Magdyno Type M01.
Routine maintenance for the magneto.
Testing the magneto to find ignition faults.
Cleaning the magneto contact breaker.
Information on the high-tension (HT) cable.
Details on the pick-up component.
Information on resistor and immobiliser.
Spark plug maintenance and setting.
Description of the magneto slipping clutch.
Steps for removing the magdyno from the engine.
Procedures for dismantling the magneto.
How to remove the magneto armature.
Testing the magneto armature.
Reassembly of magneto components.
Reassembly and testing of the slipping clutch.
Information on Dynamo Type E3HM.
Testing the dynamo while installed.
Procedure to remove and replace the dynamo.
Steps for dismantling the dynamo.
Inspecting and maintaining dynamo brushes.
Testing and replacing dynamo field coils.
Replacing worn dynamo bearings.
Reassembly procedures for the dynamo.
Details on the cut-out and regulator unit.
Testing the regulator's position and connections.
Cleaning regulator contacts.
Adjusting the mechanical setting of the regulator.
Testing and adjusting the cut-out.
Testing and replacing the ammeter.
Battery maintenance, testing, and charging.
Details on Headlamp Type DU42.
Information on Tail Lamp Type L-WD-MCT1.
Notes on electrical cables and connectors.
Details on the lighting switch.
Horn adjustment and troubleshooting.
Headlamp details for later models.
Replacing the change-over switch.
Functionality of the main lighting switch.
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