Kohler — External Engine Inspection

A Kohler service procedure — check it applies to your exact model before use.

Procedure

1. Insert the stopper/hose into the oil fill hole. Leave
2. Start the engine and run at no-load high speed
3. Open the clamp and note the water level in the
4. Close the shut off clamp before stopping the
1. Remove the dipstick or oil fill plug/cap.
2. Install the adapter into the oil fill/dipstick tube
3. Push the barbed fitting on the gauge solidly into
4. Start the engine and bring it up to operating
5. Check the reading on the gauge. If the reading is
1. Disassemble breather, clean parts thoroughly,
2. Replace all worn or damaged seals and
3. Recondition piston, rings, cylinder bore, valves,
4. Repair/replace restricted muffler/exhaust
1. Crankcase breather clogged or inoperative.
2. Seals and/or gaskets leaking. Loose or
3. Piston blowby or leaky valves. (Confirm by
4. Restricted exhaust.
1. Run the engine for 3-5 minutes to warm it up.
2. Remove the spark plug(s) and the air filter from
3. Rotate the crankshaft until the piston (of cylinder
4. Install the adapter into the spark plug hole, but do
5. Connect an air source of at least 50 psi to the
6. Turn the regulator knob in the increase
7. Connect the tester quick-disconnect to the
8. Check the test results against the following table:

Source: manual:service-manual-cv17-745.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.