Engine Service Manual

47
Disassembly/Inspection and Service
14 690 10 Rev. -- KohlerEngines.com
Remove Ignition Module
1. Disconnect kill lead from ignition module.
2. Remove screw and stud securing ignition module.
Mark stud for identifi cation during reassembly.
Disconnect Flywheel Brake Spring (if equipped)
Grasp 1 end of fl ywheel brake spring with a pliers and
stretch it to disconnect it.
Remove Flywheel
1. Using a fl ywheel strap wrench to hold fl ywheel,
remove nut inside drive cup.
2. Remove drive cup and lift off fan, noting orientation
on fl ywheel for reassembly.
3. Flywheel is mounted on a tapered shaft. To break it
loose, use a rubber mallet to land a fi rm blow toward
outer rim of fl ywheel. Remove fl ywheel.
4. Remove fl ywheel key from crankshaft.
Inspection
Inspect fl ywheel for cracks and check keyway for wear
or damage. Replace fl ywheel if cracked. If fl ywheel key
is sheared or keyway is damaged, replace crankshaft,
fl ywheel, and key.
Inspect ring gear for cracks or damage. Ring gears are
not available separately. Replace fl ywheel if ring gear is
damaged.
Remove Electric Starter (if equipped)
Remove screws securing electric starter to engine.
Remove Stator (if equipped)
A
B
A Stator (if equipped) B Connects to Diode
NOTE: Make note of stator position and routing of lead
for reassembly.
Remove screws securing stator to crankcase posts.
Stator terminal is connected to diode; move sleeving and
disconnect terminal.
Remove Breather Assembly
Breather system is designed to control amount of oil
in head area and still maintain necessary vacuum in
crankcase.
When pistons move downward, crankcase gases are
pushed past reed through mesh fi lter into intake system.
Upward travel of pistons closes reed and creates a
low vacuum in lower crankcase. Any oil separated out
through fi lter drains back into crankcase.
NOTE: Some engines are built with a one-piece
breather fi lter and some are built with a two-
piece breather fi lter. Designs are not
interchangeable.
1. Remove screws securing breather cover. Remove
cover.
2. Remove breather spring, disc (breather reed) and
breather fi lter.
Remove Spark Plug
Remove spark plug from cylinder head.
Remove Finger Guards (as equipped)
A
B
A
Finger Guard
(Carburetor Side)
B
Finger Guard
(Muffl er Side)
Remove screws and fi nger guard(s) from crankcase.
Remove Flywheel Brake Assembly (if equipped)
Remove screws securing fl ywheel brake assembly;
retain spacers (if equipped).