Kohler — LOW COMPRESSION

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

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Procedure

1. Air cleaner base must be flat on gasket of air intake elbow. Replace base if bent or cracked.
2. Gasket surfaces of element must be flat against base and cover to seal effectively.
3. Cover seal must be in place to reduce noise and vibration of cover. Excess vibration can cause stud hole in cover to enlarge, permitting dirt to enter carburetor.
4. Wing nut must be finger tightened 1/2 to 1 full turn after nut contacts cover—do not over¬ tighten. Refer to the instructions for the specific type of air cleaner being serviced. Tear Drop (Figure 3-1) Disassembly
5. Remove the wing nut, cover, air cleaner cover seal, and element.
6. Remove the breather hose and air intake tube from air cleaner base.
7. Remove the screws securing base to intake elbow. Lift base from intake elbow. Assembly
8. Install air cleaner base and new base gasket on elbow and secure with four 10-32 x 9/16” hex washer head screws. Secure base to manifold with hex nut on manifold stud.
9. Pull end of breather tube through 9/16” hole in base making sure lips on end of tube seal securely around hole in base. NOTE: Early KT17 models have the breather

Source: manual:16304_text.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.