POWERHEAD
4-15
3-/ 4-Cylinder
Function Test
1. Suspend thermostat and thermometer in a heat-resistant
container filled with water.
2. Slowly heat and stir the water. Verify the thermostat opens at
140˚F [60˚C]. If it does not open at specified temperature, replace
thermostat.
WARNING
Use a heat-resistant container such as Pyrex
®
glassware. DO NOT allow thermostat or
thermometer to rest against the glass. Items
could overheat and rupture.
3. Remove thermostat and observe its closing action as it cools. If
closing action is not slow and smooth, replace thermostat.
RECOIL STARTER
WARNING
F-type of 40/50 engines have neutral start
mechanism (start-in-gear protection) attached to
the recoil starter. This feature disables the engine
from starting wheel in gear (forward or reverse).
During reassembly of the engine following repair,
ensure that you DO NOT DISABLE THE START-IN-
GEAR PROTECTION.
WARNING
Ignition system must be disabled to prevent
accidental engine startup during servicing of the
recoil starter.
Removal
1. Place engine in NEUTRAL to relieve tension from neutral start
cable.
2. Disconnect cable
(1)
from stopper arm
(2)
. Loosen cable
clamp
(3)
and remove cable from recoil starter.
3. Remove recoil starter mounting bolts and lift starter off powerhead.
Disassembly
WARNING
Recoil starter rewind spring is under high
tension. Wear safety glasses at all times during
disassembly.
1. Remove pin from stopper arm and disassemble the
neutral lockout components: pin, washer, stopper
arm, stopper spring, and reel stopper.
4
1
2 3
T1177
T1178
T1169
T1176
To Next Page
Loading...
