Kohler — Carburetor Float Adjustment
Adjustments · Carburetor float circuit
From a Kohler service manual covering: LH630, LH685, LH750, LH760. Check it applies to your exact model before use.
Browse Kohler generators & specs →
Before you start
- Do not depress spring-loaded inlet needle tip.
Procedure
- Remove air cleaner and breather hose.
- Disconnect fuel line from carburetor.
- Clean exterior of carburetor.
- Remove four screws; lift air horn off body.
- Hold air horn so float hangs vertically against inlet needle.
- Measure float height 22 mm (0.86 in.) from float bottom to air horn casting.
- Adjust by bending tab; do not depress needle tip.
- Reassemble and torque screws to 1.7 N·m (15 in. lb.).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Float height 22 mm (0.86 in.)
- Body screws 1.7 N·m (15 in. lb.)
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.