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General| Year | 1971 |
|---|---|
| Manufacturer | Yamaha |
| Model | FS1 |
| Category | Motorcycle |
| Displacement | 49 cc |
| Compression Ratio | 7.2:1 |
| Fuel System | Carburetor |
| Transmission | 4-speed |
| Final Drive | Chain |
| Front Suspension | Telescopic fork |
| Front Brake | Drum |
| Rear Brake | Drum |
| Fuel Capacity | 7.5 liters |
| Top Speed | 80 km/h |
| Engine Type | Single cylinder, two-stroke |
| Frame | Steel |
| Rear Suspension | Swingarm |
Step-by-step guide on how to remove the engine from the motorcycle chassis.
Instructions for checking cylinder wear and minimum clearance between piston and cylinder.
Describes the wet, multi-disc clutch, its components, and reduction ratios.
Covers crankshaft dimensions, removal, reinstallation, and checking.
Details carburetor checking, cleaning, and reconditioning, including settings.
Explains function, service, and standards for the ignition system.
Explains the function and checking procedures for charging and lighting systems.
Covers electrical system updates and component lists for FS1.
Provides service data for crankshaft assembly, including axial play and runout.
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