Kohler — Starter Brush Replacement and Commutator Service
Repair & overhaul · Starting motor
From a Kohler service manual covering: KT17, KT17 Series II, KT19 Series II, KT21, Kt19. Check it applies to your exact model before use.
Applies to: Kohler Kt19
Before you start
- Always use new brushes and springs. Assemble brushes with chamfered side away from springs.
Procedure
- Remove drive pinion unit.
- Remove thru bolts.
- Separate end cap from armature (brush springs may fall out).
- Clean commutator with coarse lint-free cloth; turn down on lathe if badly worn or grooved.
- Replace brushes: positive brushes are part of terminal stud assembly; replace insulated (negative) brushes by removing capscrew and lock washer.
- Use a brush holder tool to keep brushes in position as end cap is reinstalled.
- Line up bench marks on both end caps with those on motor frame, insert thru bolts and tighten.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler Kt19 →
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.