GB-5
G
B
GZ50N
STOPPING ENGINE
1. Release the throttle lever and run the engine for half a
minute.
2. Shift the ignition switch to the STOP position.
IMPORTANT
•
Except for an emergency, avoid stopping the engine while
pulling the throttle lever.
STARTING ENGINE
1. Feed fuel into the fuel tank and tighten the cap securely.
2. Push the primer pump several times until overflown fuel flows
out in the clear tube.
3. Move the choke lever to the closed position.
4. Set the ignition switch to the “RUN” position.
Place the unit on a flat, firm place.
5. While holding the unit firmly, pull out the starter rope quickly
until engine fires.
IMPORTANT
•
Avoid pulling the rope to its end or returning it by releasing
the knob. Such actions can cause starter failures.
6. Move the choke lever downward to open the choke. And
restart engine.
7. Allow the engine to warm up for a several minutes before
starting operation.
NOTE
1. When restarting the engine immediately after stopping it,
leave the choke open.
2. Overchoking can make the engine hard to start due to ex-
cess fuel. When the engine failed to start after several at-
tempts, open the choke and repeat pulling the rope, or re-
move the spark plug and dry it.
5. Operation
(1) choke lever
(2) close
(3) open
(1)
(2)
(3)
ADJUSTING THROTTLE CABLE
• The normal play is 1 or 2 mm when measured at the carbu-
retor side end. Readjust with the cable adjuster as required.
ADJUSTING IDLING SPEED
1. When the engine tends to stop frequently at idling mode,
turn the adjusting screw clockwise.
2. When the clutch keeps engaging at idling mode, turn the
adjusting screw counter-clockwise.
NOTE
• Warm up the engine before adjusting the idling speed.
(1) Cable adjuster
(2) Lock nut
(3) Lock screw
1~2mm
(0.04 in.)
(1)
(2)
(3)
(1)
(1) Idle adjusting screw
(cross screw)
