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General| Engine Type | Single cylinder, 4-stroke |
|---|---|
| Displacement | 249.5 cc |
| Compression Ratio | 12.8:1 |
| Ignition | Kokusan digital CDI |
| Starter | Kickstarter |
| Transmission | 5-speed |
| Lubrication | Pressure lubrication with 2 Eaton pumps |
| Primary Drive | 24:73 |
| Final Drive | 13:50 |
| Clutch | Wet multi-disc clutch, hydraulically operated |
| Bore x Stroke | 76 mm x 54.8 mm |
| Fuel System | Keihin MX FCR 39 carburetor |
Procedure to remove air from the motorcycle's cooling system.
Steps for replacing the engine's oil filter and refilling oil.
Diagram and explanation of the engine's oil circulation system.
Illustrations and identification of specialized tools for engine maintenance.
Detailed steps for removing the engine from the motorcycle frame.
Detailed steps for reinstalling the engine into the motorcycle frame.
Initial steps and cleaning before commencing engine disassembly.
Procedure for removing the cylinder head and piston assembly.
Step-by-step guide for taking apart the clutch assembly.
Service and checks for the engine's crankshaft.
Inspection and service procedures for the engine piston.
Detailed checks and service for clutch components.
Reassembly of engine casing halves and internal transmission shafts.
Steps for installing the piston and cylinder head onto the engine.
Procedure to test the ignition coil's resistance and function.
Method to measure the motorcycle's charging system voltage.
Guide for using specialized tools for electrical diagnostics.
Steps for removing and reinstalling the carburetor.
Procedure for setting the engine's idle speed and mixture.
Specifications for engine models 2005-2008.
Specifications for component clearances and wear limits.
Specified torque values for engine fasteners.
Recommended maintenance tasks for model year 2005.
Recommended maintenance tasks for model year 2008.
Electrical schematic for SX-F 2005/06 models.
Electrical schematic for SX-F 2008 models.
Key for understanding wire colors used in wiring diagrams.
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