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General| Engine Type | 99cc air-cooled single-cylinder four-stroke |
|---|---|
| Bore x Stroke | 53.0mm x 45.0mm |
| Compression Ratio | 9.4:1 |
| Transmission | 5-speed |
| Rear Brake | Drum |
| Rear Tire | 3.00-16 |
| Seat Height | 30.5 inches |
| Fuel Capacity | 1.6 gallons |
| Induction | 22mm piston-valve carburetor |
| Ignition | CDI |
| Final Drive | Chain |
| Rear Suspension | Single shock |
| Curb Weight | 174 pounds |
Essential safety precautions for operating and servicing the motorcycle.
Specifies lubrication materials and sealing points for engine and frame components.
A comprehensive schedule of required maintenance tasks at specific intervals.
How to inspect and adjust valve clearance on a cold engine.
Procedures for checking and changing the engine oil.
Procedures for adjusting front and rear brake systems.
How to measure and adjust clutch lever free play.
Illustrates the motorcycle's oil flow path for lubrication.
Details engine oil capacity, recommended oil, and oil pump clearances.
Torque specifications for lubrication system fasteners.
Steps for removing, inspecting, and installing the oil pump assembly.
Detailed procedure for adjusting the pilot screw on XR100R models.
Detailed procedure for adjusting the air screw on XR80R models.
Step-by-step guide for safely removing the engine from the motorcycle frame.
Step-by-step guide for reinstalling the engine into the motorcycle frame.
How to perform a compression test to diagnose engine health.
How to measure cylinder bore wear, taper, and out-of-round.
Procedures for removing, inspecting, and servicing clutch discs, plates, and springs.
Inspection and measurement of crankshaft runout and bearing fit.
Inspection of transmission gears, shift forks, and drums for wear.
Steps for removing, inspecting, and installing the front wheel and bearings.
Procedures for inspecting, disassembling, and assembling the front brake system.
Steps for disassembling, inspecting, and assembling the front fork components.
Steps for removing, inspecting, and installing the rear wheel and bearings.
Procedures for inspecting, disassembling, and assembling the rear brake system.
Steps for disassembling, inspecting, and assembling the rear shock absorber.
Common ignition system problems and diagnostic steps.
Procedures for measuring peak voltages of ignition system components.
How to check and adjust ignition timing using a timing light.
Diagnostic guide for engine starting issues.
Troubleshooting steps for diagnosing engine power loss.
Solutions for engine performance problems at low speeds and idle.
Troubleshooting steps for engine performance issues at high speeds.
Diagnosis and solutions for motorcycle handling problems like steering or wobble.
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