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GB - 17
Primer Bulb
Pushing the primer bulb
in adds fuel for easier
engine start. Refer to
Starting and Shut Off on
page 21.
Speed Selector (921013, 017, 018,
020, 023)
Position the Speed Selector in the
appropriate speed notch to control forward
and reverse travel.
Forward:
(6) Fastest
(1) Slowest
Reverse:
(1) Slow
(2) Fast
IMPORTANT: DO
NOT change
motion from
forward to reverse
with clutch
engaged. Forward
speed can be
changed without
declutching.
Speed Selector (921019, 022)
Position the Speed Selector in the
appropriate speed notch to control forward
and reverse travel.
Forward: (6) Fastest — (1) Slowest
Reverse: (1) Slow — (2) Fast
IMPORTANT: DO NOT change motion from
forward to reverse with clutch engaged.
Forward speed can be changed without
declutching.
Choke Control Knob
1.Choke Closed
position: chokes off air
to engine for easier
start.
2.Choke Open
position: allows for
normal operation.
IMPORTANT:
Gradually open choke
after engine starts.
Throttle
The throttle controls the engine speed. To
increase or decrease the engine speed,
adjust to:
1. Fast (normal
or warm starts)
2. Part-Throttle
3. Slow (cold
weather starts)
4. Stop (engine
is off)
Electric Starter
The electric starter will start a properly
choked and cranked engine when the starter
button is pushed. Refer to Starting and Shut
Off on page 21.
Recoil Starter Handle
When pulled, handle will turn engine over.
IMPORTANT: DO NOT let handle snap back
against starter.
OS7320
OS1321
921019, 020
OS1196
6
1
1
2
OS7405
CHOKE
RUN
2
1
OS7275
21
921019, 020
4
3
2
1
4
3
2
1
921019, 020