Kohler L600 / L654 — Timing Shielded Magneto To Engine
Adjustments · Magneto (shielded)
For the Kohler L600 / L654, from the Kohler service manual.
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Procedure
- Establish #1 firing position of engine: rotate engine by hand until SPK timing mark lines up and compression is felt in #1 cylinder.
- Establish #1 firing position of magneto: connect lead to terminal #1, hold end about 1/8 in from case and turn magneto gear clockwise through each impulse until spark is observed.
- Turn gear backwards (counterclockwise) until notch in gear and hub lines up with yellow timing mark on magneto flange.
- Make sure #1 timing positions of both engine and magneto are held while magneto is installed on engine.
- Connect leads; make sure ground strap is connected to controller terminal #5; install radio shielded plugs.
- Use a timing light for precision timing of the ignition.
Tools required
- timing light Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Spark plug gap .018 in (shielded)
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.