Start-In-Gear Protection Adjustment; Idle Speed Adjustment - Yamaha 40V Service Manual

INSP
ADJ
CONTROL SYSTEM

Start-in-gear protection adjustment

1. Check:
Start-in-gear protection operation
Incorrect → Adjust.
2. Adjust:
Start-in-gear protection wire
Adjustment steps:
Set the shift lever in neutral.
Loosen the lock nut 1.
Adjust the start-in-gear protection wire
adjust nut 2 so that the end of the
starter stop-plunger aligns with the
center of the hole in the starter case.
Tighten the lock nut.

Idle speed adjustment

NOTE:
Before adjusting the idle speed, be sure to
adjust the throttle link.
1. Measure:
Idle speed
Out of specification → Adjust.
Idle speed:
800 ± 50 rpm
Measuring steps:
Start the engine and allow it to warm
up for a few minutes.
Attach the tachometer to the high ten-
sion lead of the cylinder #1.
Tachometer:
YU-08036-A/90890-06760
2. Adjust:
Idle speed
Adjustment steps:
Loosen the idle adjusting screw 1 and
fully close the throttle valve.
Loosen the throttle lever securing
screws 2 of upper and middle carbu-
retors by turning the screws clockwise.
3-5
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