Section 05 FUEL SYSTEM
Sub-Section 04 (CARBURETORS)
05-04-11
TYPICAL — TWIN CARBS
1. High speed screws
15, Idle Speed Screw
Turning screw clockwise increases engine idle
speed and turning screw counterclockwise de-
creases engine idle speed.
SINGLE CARB
1. Idle speed screw
TWIN CARBS
1. Idle speed screw
NOTE:
On twin carburetor engines, there is only
one idle speed screw.
Connect an induction-type tachometer (P/N 295
000 100) on spark plug cable of magneto side to
measure engine speed.
NOTE:
To adjust idle speed, ensure flame arrester
and air intake silencer are installed.
Start engine and bring to normal operating tem-
perature.
Turn screw so that engine idles at 1500 RPM in
water or 3000 RPM out of water.
ROT
F01F2QA
1
F01F0TE
1
-
CAUTION
If watercraft is out of water, engine must be
cooled using the flush kit.
F01F32C
1
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