Generic Trigger SM 50ccm - Countermeasures for Idle Speed Emission Exceeding Specified Value

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Conduct regular inspection
（maintenance and service plan）
Measure idle speed emission（Remark 1）
Adjust the carburetor（Remark 2）
Disassemble and clean the carburetor
（SJ,MJ,SAJ,MAJ and so on）
Change the carburetor
Disassemble and repair the engine
•valve
（leak）
•piston
（wear）
•combustion chamber
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15.5 Countermeasure of idle speed emission exceeding specified
value（two-stroke)
Remark 1: Measure with idle speed measuring procedure.
Remark 2: Adjust the engine speed within the stipulation with a set screw and measure idle speed CO/HC.
Meanwhile adjust the air bolt so that CO concentration reaches 1.5-4.5％.
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