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General| Year | 2008 |
|---|---|
| Manufacturer | Yamaha |
| Model | YW50X |
| Category | Scooter |
| Engine Stroke | 2-stroke |
| Displacement | 49cc |
| Bore x Stroke | 40.0mm x 39.2mm |
| Compression Ratio | 7.0:1 |
| Fuel System | Carburetor |
| Ignition | CDI |
| Transmission | Automatic |
| Front Suspension | Telescopic fork |
| Rear Suspension | Unit swing |
| Front Brake | Disc |
| Rear Brake | Drum |
| Front Tire | 120/90-10 |
| Rear Tire | 130/90-10 |
| Engine Type | Single cylinder, 2-stroke |
| Starting System | Electric/Kick |
Identifies the scooter's VIN and model label for parts ordering.
Provides detailed specifications for engine type, displacement, bore, stroke, and compression ratio.
Outlines specifications for the frame, wheel dimensions, brake system, and suspension components.
Lists specifications for system voltage, ignition, charging, battery, and starting systems.
Lists specific torque values for engine parts like spark plugs, cylinder head, and crankcase bolts.
Explains how to check and adjust the engine's idling speed to the specified RPM range.
Provides a guide for the complete overhaul of the engine, including wire harness and cable management.
Details removal, inspection, and installation of the cylinder head, cylinder, and piston assembly.
Covers removal, inspection, and installation of the V-belt, clutch, and primary/secondary sheaves.
Details the removal and installation of transmission components including gears and axles.
Details crankshaft removal, inspection for runout and clearance, and installation.
Covers front fork removal, disassembly, inspection, and assembly, including oil replacement.
Guides troubleshooting for ignition system faults like no spark, covering plug, coil, and pickup coil checks.
Details troubleshooting steps for battery charging issues, including fuse, battery, and charging coil checks.
Guides troubleshooting for starter motor failures, covering fuse, battery, starter relay, and motor checks.
Lists probable causes for starting failures, categorized by fuel, ignition, compression, and crankcase systems.
Lists probable causes for engine overheating, related to ignition, fuel, compression, and cooling systems.
Details probable causes for poor braking effect and malfunctions in drum and disc brake systems.
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