Kohler — Cylinder Honing
Repair & overhaul · cylinder bore
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
Procedure
- Install coarse stones in hone; lower hone into bore, center, and adjust so stones contact walls.
- With lower edge of each stone even with the lowest edge of the bore, start drill and honing process; move hone up and down while resizing.
- When bore is within .0025 inch of desired size, replace coarse stones with burnishing stones.
- Continue with burnishing stones until within .0005 inch of desired size, then use finish stones (220-280) and polish to final size.
- Check cross-hatch; it should intersect at approximately 23-33 degrees off the horizontal.
- Clean cylinder wall with soap and hot water; after drying apply a light coat of SAE 10 oil to prevent rust.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Drill speed about 250 RPM and 60 strokes per minute
- Cross-hatch 23-33 degrees off horizontal
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.