Owner’s Manual | |
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4.SPARK PLUG
a. This unit uses a CHAMPION CJ6 or NGK BMR7A spark plug and gap should be .60mm(.023 in.). During normal operation, electrodes will appear brown in color. If carbon and oil appear on the electrode, plug should be cleaned with solvent or replaced. (Fig. 22)
NOTE: In some areas, local law requires using a resistor spark plug to suppress ignition signals. If this machine was originally equipped with resistor spark plug, use same type of spark plug for replacement.
5.CARBURETOR
a.Fuel supply adjustments on the carburetor are
b.If you need an idle adjustment M, turn idle screw clockwise for higher RPM and for lower RPM, counterclockwise. (Fig. 17)
NOTE: Carburetor adjustment needs the skill of experienced or well trained people. It is recommended to take the unit to your nearest dealer.
6.GOVERNOR
a.The engine speed governor is lubricated with #30 weight oil. The capacity is 0.5 fl.oz. (16 mi). The level screw (Fig. 23) should be checked after the first 20 hours of use and each additional 100 hours there after.
GOVERNOR ADJUSTMENT
a. First with the engine off, loosen screw A (1).
Pull up governor outer lever (2) and push down governor spring lever (3), at the same time retighten the screw A (Fig. 23B)
NOTE: After above procedure, make sure the throttle (4) on the carburetor gets either of the idle position or the full open position.
b. To adjust governor, loosen screws (6) which holds control lever assembly (5) to crankcase and move the assembly left or right to obtain the maximum speed of 6500 rpm (Moving control lever assembly to left gives higher rpm and moving to right, lower rpm)(Fig. 23C)
NOTE: Always adjust throttle wire end play before governor adjustment.
CAUTION: Do not adjust to run more than 6500 rpm.
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