Kohler — Idle Speed (RPM) Adjustment
Adjustments · Carburetor
From a Kohler service manual covering: KT715, KT725, KT730, KT735, KT740, KT745. Check it applies to your exact model before use.
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Before you start
- Carburetor adjustments should be made only after engine has warmed up.
Procedure
- Hold governor lever away from carburetor so throttle lever is against idle speed (RPM) adjustment screw. Start engine and warm up, then adjust screw to set approximately 1450 RPM. Turn adjustment scre
- Release governor lever and check that throttle lever is in idle position. Obtain equipment manufacturer's recommended idle speed (1750 RPM) using the bendable tab.
- Move throttle lever to wide-open/full throttle position and hold. 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
- approximately 1450 RPM low idle
- 1750 RPM equipment manufacturer recommended idle
- governed idle typically ~300 RPM higher than low idle
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.