Kohler — SPLIT THE CRANKCASE
A Kohler service procedure — check it applies to your exact model before use.
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Before you start
- NOTE: The intake valve tappet is closest to the fly-
- NOTE: Loosen the clamp securing dipstick tube
Procedure
- 3. Remove the rear oil seal from closure plate.
- 1. Remove the hex. socket head screws, oil filter
- adapter, and gasket. Refer to Figure 9-30.
- Figure 9-31. Camshaft Bore Plug.
- 2. Put tape or govemor spring around the tappet
- stems in the #2 crankcase side. This prevents the
- tappets from falling into the #1 side when the
- crankcase is split.
- 3. Remove the hex. nuts, plain washers, and hex.
- flange screws securing the crankcase halves
- together.
- 4. Lay the crankcase down s0 the #2 side is up.
- Locate the splitting notches in the seam of the
- crankcase. Pry the halves apart using the blade
- of a large screwdriver. Refer to Figure 9-32.
- 9.9
- 1. Remove the camshaft and camshaft bore plug
- from the #1 crankcase side. Refer to Figure 9-33.
- Rear Bearing
- Crankshaft With
- Connecting Rods
- Figure 9-33. Removing The Camshaft
- and Camshaft Bore Plug.
- 2. With a marking pen or paint, mark the tappets ac-
- carding to crankcase side and as either intake or
Tools required
- adapter, and gasket. Refer to Figure 9-30.
- 1. Remove the hex. socket head screws, oil filter
Specs & torque values
- 2
- 1
Source: manual:Magnum_M18_and_M20_Service_Manual.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.