Kohler — Governed Idle Speed Adjustment (If equipped)
Adjustments · Carburetor
From a Kohler service manual covering: CV17, CV18, CV20, CV22, CV23, CV25, CV620, CV621, CV640, CV641, CV670, CV680…. Check it applies to your exact model before use.
Browse Kohler generators & specs →
Procedure
- Hold governor lever away from carburetor so throttle lever is against idle speed screw; start and warm engine, adjust screw to approximately 1200 RPM.
- Release governor lever; turn governed idle adjustment screw to obtain manufacturer's recommended idle speed (1500-1800 RPM).
- Move throttle lever to wide-open/full throttle and turn high speed screw to obtain intended high speed no-load RPM.
Tools required
- Tachometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 1200 RPM
- 1500-1800 RPM
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.