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Engine displacement in cm³ and cu in.
Bore diameter in mm and inches.
Stroke length in mm and inches.
Specifies the ignition system type.
Ignition timing angle before TDC.
Recommended spark plug model.
Specification for spark plug electrode gap.
Carburetor model and basic settings.
Pressure and leakage specifications for crankcase.
Procedure and specs for fuel tank pressure testing.
Procedure and specs for carburetor pressure testing.
Oil pump pressure and capacity at 6,000 r/min.
Recommended fuel/oil mixing ratios for different oils.
Points requiring lubrication and applicable torque values.
Detailed steps for removing the carburetor.
Explanation of the speed governor's purpose and operation.
Procedures for inspecting and checking the carburetor.
Steps for reassembling the carburetor.
Basic settings and adjustments for the carburetor.
Steps for adjusting the speed governor.
Adjusting the low-speed (L) needle for idling.
Adjusting the high-speed (H) needle for full throttle.
Table of common fuel system problems and causes.
Steps for troubleshooting ignition system faults.
Steps for removing the oil pump assembly.
Steps for reassembling the oil pump.
Table of common lubricating system issues and solutions.
Steps to remove the cylinder and piston.
Steps for assembling the cylinder and piston.
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