Kohler 4.5 CKM — Breaker Point Gap Adjustment
Adjustments · Breaker points
For the Kohler 4.5 CKM, from the Kohler service manual.
Applies to: Kohler 4.5 CKM, Kohler KT17II engine
Before you start
- Accidental starting can cause death or serious personal injury. Disconnect battery cables before working on generator.
Procedure
- Disconnect battery (negative lead first) and remove spark plug leads to prevent unintentional starting.
- Remove the breaker point cover.
- Remove the rotor end cap. With 3/4 in. socket wrench, rotate rotor bolt clockwise until points reach maximum opening.
- Measure the gap with a feeler gauge; gap at full open should be .017/.023 inch (.432/.580 mm).
- If not, loosen point gap adjustment screw; adjust by inserting screwdriver blade in adjusting notch and shifting movable plate.
- Securely tighten the adjusting screw after setting the gap.
- Replace the breaker point cover.
- Reconnect battery (negative lead last) and reconnect spark plug leads.
- Follow up with final or precision adjustment using a timing light.
Tools required
- feeler gauge Amazon
- 3/4 in. socket wrench Amazon
- offset screwdriver or allen wrench Amazon
- screwdriver Amazon
- timing light Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- .017/.023 inch (.432/.580 mm)
Full service-parts list: Kohler 4.5 CKM →
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.