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General| Engine Type | 4-stroke, Single cylinder |
|---|---|
| Fuel System | Electronic Fuel Injection (EFI) |
| Cooling System | Air cooled |
| Transmission | CVT |
| Front Suspension | Telescopic fork |
| Rear Suspension | Unit swing |
| Front Brake | Disc |
| Rear Brake | Drum |
| Front Tire | 110/70 - 12 |
| Rear Tire | 120/70 - 12 |
| Length | 1900 mm |
| Fuel Capacity | 6.2 L |
Explanation of symbols and marks to understand service procedures.
Essential safety guidelines for motorcycle operation and maintenance.
Critical precautions to follow during service and repair operations.
Detailed technical specifications for the SANYANG ATTILA RS-21.
Specific torque values for engine components during assembly.
Diagnostic procedures for engine starting and running problems.
Safety and operational guidelines before performing maintenance.
Recommended maintenance tasks and intervals for the motorcycle.
Procedures for engine oil and gear oil checks and replacements.
Detailed steps for checking and changing the gear oil.
Maintenance procedures for fuel lines and the fuel filter.
Instructions for cleaning or replacing the air cleaner element.
How to inspect and adjust throttle valve cable free play.
Procedure for cleaning the crankcase blow-by drain hose.
Steps for checking and adjusting valve clearance.
Ignition timing verification and spark plug specifications.
Method for measuring and interpreting cylinder compression.
Inspection of the drive belt condition and clutch pad wear.
Ensuring the steering handle bar operates smoothly.
Checking the condition and operation of shock absorbers.
Procedures for brake fluid, lining wear, and brake lamp switch.
Checking tire pressure, tread depth, and tire condition.
Guidance on battery removal, cleaning, and installation.
List of specialized tools required for maintenance.
Diagram illustrating the components of the lubrication system.
General precautions for maintaining the lubrication system.
Identifying common issues related to engine oil level and pressure.
Steps for checking, replacing engine oil, and cleaning the oil strainer.
Procedures for inspecting and changing the gear oil.
Diagram showing the overall layout of the fuel injection system.
Identification and interconnections of EFI system components.
Explanation of the electronic fuel injection system's operation.
Safety guidelines for handling gasoline and fuel system parts.
Diagnostic flowchart for EFI electrical system faults.
Detailed descriptions of the ECU, injectors, fuel pump, and sensors.
Overview of fuel lines and their maintenance.
Operation principle and specifications for the ignition system.
Description and role of the crank position sensor.
Description of engine and intake temperature sensors.
Function and control of the idle speed air by-pass valve.
Detailed description and operation of the fuel injector.
Description of the electrical fuel pump's specifications.
Procedures for removing and installing the fuel tank assembly.
Steps for removing and installing the air cleaner assembly.
Table of DTC codes, messages, and corresponding solution operations.
Guide on using the Data Scan tool for EFI system diagnostics.
General precautions and safety measures before removing the engine.
Step-by-step instructions for safely removing the engine.
Procedure for removing and installing engine suspension bushings.
Steps for removing and installing the engine suspension frame.
Guidelines for installing the engine in reverse order of removal.
Diagram showing cylinder head and valve components.
Specific precautions required for cylinder head and valve maintenance.
Common problems and diagnostic methods for cylinder head/valve issues.
Detailed instructions for removing the cylinder head.
Step-by-step guide for disassembling the cylinder head.
Inspection of camshaft, rocker arms, and valve components.
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