Kohler — Electrical Starting System Tests
Testing & diagnosis · Starter System
From a Kohler service manual covering: CH260, CH270, CH395, CH440. Check it applies to your exact model before use.
Applies to: Kohler CH260, Kohler CH270, Kohler CH395, Kohler CH440
Procedure
- Test battery on unit: measure battery voltage (key switch OFF), then turn key switch to start and read voltage again.
- Remove starter cover panel and check fuse inside plastic holder.
- Disconnect blue relay lead; connect jumper from battery positive to relay terminal and observe.
- Use a known good fully-charged battery and jumper cables to test starter motor.
- Disconnect leads from starter relay and remove it for testing with an ohmmeter.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Battery voltage should not fall below 9 volts during cranking
- Relay meter reading less than 3.4 ohms or open circuit = faulty
Full service-parts list: Kohler CH260 →, Kohler CH270 →, Kohler CH395 →, Kohler CH440 →
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.