Inhoudsopgave
Advertenties
C-161 TWIN
ENGINE OIL -
Same as C-Series.
AIR FILTER -
Same as C-Series except:
saturate the precleaner in engine oil and
squeeze to remove excess oil.
-PRE-CLEANER
Fig.3-28
C-161 Twin Air Filter
BATTERY CHECK -
As described on page
3-4.
TUNE-UP PROCEDURE
Spark Plugs -
Same as B-Series.
Points and Condenser- The breaker points
on Briggs
&
Stratton engines are located be-
hind the flywheel. Refer to Briggs
&
Stratton
"Twin
Cylinder
Service
Instructions"
(Briggs & Stratton Part Number 271172) for
correct service procedures.
POINT GAP .020"
ADJUSTMENT
n(~~~~~~-l~~~S~C~RE~
MOUNTING SCREW
LOCK NUT
WIRES ON
TERMINAL
CONNECTION
Fig. 3-29
C-161 Twin Breaker Points
TIMING -
Same as C-Series.
CARBURETOR
ADJUSTMENT
Turn
needle valve clockwise until it just closes.
VALVE MAY BE DAMAGED BY TURNING
IT IN TOO FAR. Now open needle valve 1
~
turns counterclockwise. Close idle valve in
same manner and open 1
~
turns. This initial
adjustment will permit the engine to be
started and warmed up prior to final adjust-
ment. See Fig. 3-30.
3-9
Fig. 3-30
C-161 Twin Carburetor
Adjustment
FINAL ADJUSTMENT
1.
Place governor speed control lever in
"IDLE"
position.
Hold throttle
lever
against idle stop and set idle speed ad-
justing screw to obtain 1450 R.P.M.
Turn idle valve slowly clockwise (lean
mixture) until engine misses or R.P.M.
slows. Then turn idle valve
~
turn
counterclockwise.
2.
Hold throttle shaft in closed position
and adJust idle speed screw to 900
R.P.M. Release the throttle. With remote
control in idle position, adjust tab" A"
to obtain to 1450 R.P.M. See Fig. 3-31.
BENDING
TOOL
Fig. 3-31
C-161 Twin Governor Idle Spring
NOTE: Governed idle must be adjusted
on all engines for proper operation. The
smaller spring
keeps the engine on
governor, even at idle speed. If moderate
loads are applied at idle, the engine will
not stall. Idle speed should be no lower
than 1100 R.P.M.
3.
Place governor speed control lever in
fast position. Then turn needle valve in
slowly clockwise (lean)
until engine
misses or R.P.M.
slows.
Then
turn
needle valve
~
turn counterclockwise.
If engine does not accelerate properly,
readjust needle valve approximately
Va
turn counterclockwise (richer).
Advertenties
Inhoudsopgave
