INSP
ADJ
FUEL SYSTEM
2
Trolling speed check and adjustment
1. Check:
Trolling speed
Out of specification → Adjust.
Trolling speed:
1,300 ± 50 r/min
Checking steps (with the vehicle in the
water):
Start the engine and allow it to warm
up for several minutes.
Attach the engine tachometer to the
spark plug lead.
Engine tachometer:
YU-8036-A/90890-06760
Measure the engine trolling speed.
2. Adjust:
Trolling speed
Adjustment steps:
Remove the carburetor covers.
Turn
in
the
screws 1 until they are lightly seated.
Back the low-speed adjusting screws
out by the specified number of turns.
Low-speed adjusting screw
setting:
1 ± 1/4 turns out
Reinstall the removed parts.
Start the engine and allow it to warm
up for several minutes.
Turn the throttle stop screw 2 in or
out until the specified trolling speed is
obtained.
Turning in
Turning out
3-8
low-speed
adjusting
Trolling speed is
increased.
Trolling speed is
decreased.
E