Kohler — REMOVE CYLINDER BARRELS

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

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Procedure

1. 4. Remove the hex. nuts and plain washers using the
2. barrel wrench. Refer to Figure 9-23.
3. 2. The cylinder barrels are already identified as #1 or
4. #2 by a mark stamped near the valve cover/
5. breather gasket surface.
6. 3. Identify other engine components, such as the
7. valves, pistons, connecting rods and rod caps,
8. and vaive tappets, prior to removal or
9. disassembly.

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.