Kohler HD Series Service Manual page 39

Electric Starting System Tests (With Brake
Assembly)
NOTE: Battery must be fully charged. If low, recharge or
replace battery as necessary.
1. Test battery on unit.
a. Connect a DC voltmeter across battery terminals
and read battery voltage (key switch OFF).
b. Place handlebar bail lever in run position, turn
key switch to start position and read battery
voltage again. Turn switch OFF.
Condition
Voltage less than 12 volts. Charge or replace battery.
Battery voltage should not
fall below 9 volts during
cranking.
Wiring Diagram-Electric Start with Retractable Starter and Brake Assembly
B
A Ignition Module
E Starter Motor
14 690 10 Rev. --
Conclusion
If it does, battery may be
faulty or there may be a
short in starting circuit.
A
C
B Spark Plug
12 Volt Battery (OEM
F
Supplied)
KohlerEngines.com
2. Use a known, good, fully-charged battery and
jumper cables to test starter motor. Be sure drive
unit is in neutral, blade is off (if equipped with a
blade brake clutch (BBC) assembly), and/or
handlebar bail lever is in run position.
Disconnect starter wire from application. Connect
one end of positive (+) jumper cable to bullet
terminal of red starter wire and connect other end to
positive (+) terminal of battery.
Connect one end of negative (-) jumper cable to
negative terminal of battery. Touch other end of
negative (-) jumper cable to a bare surface on
crankcase or to starter housing.
Condition
Starter engages and
begins to crank.
Starter does not crank.
E
D
C Brake Micro Switch
Starter System
Conclusion
Key switch or brake micro
switch is faulty, or there is
a wiring problem to/from
key switch or brake micro
switch. Check wiring and
test key switch circuits
and ground circuit for
brake micro switch and
starter.
Replace starter.
F
+
Switch/Key Switch
D
(OEM Supplied)
39