93
Disassembly/Inspection and Service
24 690 06 Rev. P KohlerEngines.com
Remove Carburetor
WARNING
Explosive Fuel can cause fi res and severe
burns.
Do not fi ll fuel tank while engine is hot or
running.
Gasoline is extremely fl ammable and its vapors can
explode if ignited. Store gasoline only in approved
containers, in well ventilated, unoccupied buildings,
away from sparks or fl ames. Spilled fuel could ignite
if it comes in contact with hot parts or sparks from
ignition. Never use gasoline as a cleaning agent.
Keihin Carburetors
1. If equipped with a fuel shut-off solenoid, disconnect
lead. Only disconnect ground lead (if equipped) if
that must be done to remove carburetor.
2. If equipped with eChoke
™
, cut nylon tie strap
retaining 4 wire eChoke
™
lead to #1 inner baffl e.
Disconnect stepper motor connector from wiring
harness.
3. One-barrel carburetor models only: Remove
carburetor mounting screws.
Two-barrel carburetor models only: If required use
nuts locked together and remove carburetor
mounting studs on starter side of intake manifold
and one stud on oil fi lter side.
Pivot carburetor to clear breather cover fi tting and
pressure switch (if equipped). Remove carburetor,
throttle linkage, choke linkage, and governor lever or
stepper as an assembly.
4. Remove carburetor, throttle linkage and governor
lever as an assembly.
5. Remove carburetor gasket.
6. If necessary, carburetor, throttle linkage and
governor lever can be separated. Reattach bushings
to linkage following separation to avoid losing them.
Nikki Carburetors
1. If equipped with eChoke
™
, open nylon tie strap
retaining 4 wire eChoke
™
lead to #1 inner baffl e.
Disconnect stepper motor connector from wiring
harness.
2. If equipped with a fuel shut-off solenoid, disconnect
lead from wiring harness. Ground lead and solenoid
leads are secured with top carburetor screws.
3. Remove fuel line from inlet fi tting of carburetor.
4. Remove carburetor mounting screws. Front screw
also secures ground lead with internal tooth washer
under terminal. Remove carburetor, throttle linkage,
and choke linkage or eChoke
TM
components as an
assembly.
5. Remove carburetor gasket.
Remove Oil Sentry
™
(if equipped)
1. Disconnect lead from Oil Sentry
™
switch.
2. Remove Oil Sentry
™
switch from breather cover.
Remove Electric Starter Motor
1. Disconnect leads from starter.
2. Remove screws.
3. Remove starter assembly and any spacers (if used).
Remove Outer Baffl es and Blower Housing
1. Disconnect plug from rectifi er-regulator on blower
housing.
2. Use tip of dipstick or a similar small fl at tool to bend
locking tang, then remove B+ (center lead) from
terminal plug as shown. This will allow blower
housing to be removed without disturbing wiring
harness.
3. Rectifi er-regulator does not have to be detached
from blower housing. If engine is equipped with
SMART-SPARK
™
SAM module should be removed
from cylinder baffl e or blower housing. Module will
hang loose as part of wiring harness.
4. Remove screws securing outer baffl es. Note location
of any lifting strap and position of two short screws
(one each side on bottom) for reassembly.
5. Remove outer baffl es on both sides.
6. On engines equipped with a metal debris screen,
remove screen before removing blower housing.
Plastic debris screens can be removed after blower
housing is removed.
7. Remove lower blower housing screw and washer
securing rectifi er-regulator ground lead or grounding
strap.
8. Two-barrel carburetor models only: Remove screws
securing debris shield to blower housing. Wiring
harness is attached to underside of shield.
9. Remove remaining screws and detach blower
housing.
10. Disconnect plug from key switch in blower housing if
engine is equipped.
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