Kohler SV810-840 Service Manual page 26

Section 3
Troubleshooting
Possible Cause
4. Restricted exhaust.
Compression Test
Cylinder Leakdown Test
adapter hose, and a holding tool.
Leakdown Test Instructions
engine.
the compression stroke. Hold the engine in this
position while testing. The holding tool supplied
is perpendicular to both the holding tool and
3.4
No Crankcase Vacuum/Pressure in Crankcase
Solution
reassemble, and recheck pressure.
2. Replace all worn or damaged seals and gaskets.
direction.
4. Install the adapter into the spark plug hole, but
tester.
6. Turn the regulator knob in the increase direction
escaping air at the carburetor intake, exhaust
outlet, and crankcase breather.