Checking The Thermostat; Checking The Cooling Water Passages; Control System; Checking The Start-In-Gear Protection - Yamaha F15B Service Manual

CHK
ADJ

Checking the thermostat

1. Remove the
"Thermostat" in chapter 5.
2. Suspend the thermostat in a container of
water.
3. Place a thermometer in the water and
slowly heat the water.
4. Check the thermostat valve opening at
the specified
Replace if out of specification.
Water temperature
below 58.0–62.0°C
(136.40–143.60°F)
above
70.0°C (158.00°F)
5. Install the thermostat, new gasket, and
thermostat cover.
3-7
Periodic checks and adjustments
thermostat. Refer
6B430060
water temperatures.
6B430070
Valve lift a
0 mm (0 in)
more than
3.0 mm (0.12 in)
Checking the cooling water
to
passages
1. Check the cooling water inlet covers 1
and cooling water inlet for clogging.
Clean if necessary.
1
2. Place the lower unit in water, then start
the engine.
3. Check for water flow at the cooling water
pilot hole. If there is no water flow, check
the cooling water passages.

Control system

Checking the start-in-gear
protection
cC
Be sure to remove the engine stop lanyard
switch clip before checking the start-in-
gear protection.
1. Set the shift lever and or remote control
lever in the forward or reverse position,
then pull the starter handle.
2. Check the operation of the start-in-gear
protection cable. If the starter rope can
be pulled out normally, adjust the start-in-
gear protection cable.
1
6D430200
6B410130
6D45F11