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General| Year | 1978 |
|---|---|
| Manufacturer | Yamaha |
| Model | XS650H |
| Category | Motorcycle |
| Displacement | 653 cc |
| Ignition | Battery and coil |
| Transmission | 5-speed |
| Final Drive | Chain |
| Front Suspension | Telescopic fork |
| Rear Suspension | Dual shocks |
| Front Brake | Single disc |
| Rear Brake | Drum |
| Front Tire | 3.25-19 |
| Rear Tire | 4.00-18 |
| Bore x Stroke | 75.0 mm x 74.0 mm |
| Starting | Electric & Kick |
| Max Power | 50 hp |
| Weight | 198 kg |
| Fuel Capacity | 3.2 gallons |
| Engine Type | Air-cooled, 4-stroke, parallel twin |
| Fuel System | Dual carburetors |
| Induction | Twin carburetors |
Periodic maintenance schedule for the emission control system.
General maintenance and lubrication tasks including oil changes and chain care.
Procedure for checking and adjusting ignition timing using a timing light.
Information on pick-up coil assembly removal and installation for service.
Method for measuring and adjusting fuel level in carburetors for optimal performance.
Step-by-step guide for removing the rear wheel assembly for maintenance.
Inspecting and adjusting drive chain tension and free play.
Steps for adjusting rear brake pedal height and free play.
How to inspect rear brake lining thickness and wear indicator.
Explanation of the starting circuit cut-off system and its operational logic.
General overall specifications for the XS650H/XS650SH models.
Detailed engine specifications including description, cylinder head, and cylinder data.
Technical data for the motorcycle's frame design and steering system.
Specifications for front and rear suspension components and travel.
Specifications for front and rear brake systems, including dimensions and fluid types.
Details on ignition timing, coil, and spark plug specifications.
Specifications for the AC generator and charging system components.
Specifications for the starter motor and various lighting system components.
Torque values for engine fasteners and components.
Torque values for chassis fasteners and mounting hardware.
Data on the vehicle's stopping distance from 60 MPH under various conditions.
Information on passing times and distances at low and high speeds.
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