User`s manual
11
1. Battery
12V/5.7Ah battery
① When the voltage is less than 11.5V, please use
kick starting in stead of electric starting.
② Put the ignition switch on OFF position before
battery replacement.
③ Electrode identification: “+”— red line, “-”—green line.
④ Change a new battery every 4 years.
2.
Carburetor and idling speed adjustment
① Keep the engine warmed up for 2-3 minutes.
② Adjust the idling speed screw to set the engine at
speed of 1900 ± 100 rpm. The idling speed
adjusting screw is following:
3. Air cleaner
A: Remove 6 tightening screws of air cleaner cover.
Remove air cleaner cover.
B: Take out the sponge core.
CLEANING:
① Po
ur the non-inflammable detergent into a basin
and immerse the sponge core into the detergent.
Warning
◆ It has been fully adjusted to the highest
position when manufactured.
idling speed adjusting screw
screw
1 2 3 4
Mortch International Ltd
http://www.mortch.com