Kohler — Carburetor Assembly
Repair & overhaul
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
- With carburetor casting inverted, install fuel inlet seat. Torque seat to 35 in. lbs.
- Install inlet needle, float, and float pin.
- Set float level: 11/64 inch (+ 1/32 inch) clearance between machined surface of casting and free end of float.
- Set float drop: limited to 1-1/32 inch between machined surface of casting and free end of float.
- Check float clearance between float and float pin towers with a .010 inch feeler gauge.
- Install new bowl gasket and baffle gasket; position baffle gasket inner edge against float pin towers.
- Install fuel bowl; install bowl retaining screw and gasket; torque screw to 50 in. lbs.
- Install main fuel and idle fuel adjusting screws and springs; install idle speed adjusting screw and spring.
- Connect carburetor to inlet elbow with three screws; connect to manifold with two nuts.
- Connect fuel line, governor linkage and choke linkage. Assemble air cleaner.
- Turn fuel source back on. Adjust carburetor.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Float level 11/64 in (+ 1/32 in)
- Float drop 1-1/32 in
- Fuel inlet seat 35 in. lbs.
- Bowl retaining screw 50 in. lbs.
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.