Generac NP-30G / NP-40G — Throttle Linkage Adjustment
Adjustments · Speed Control System
For the Generac NP-30G / NP-40G, from the Generac service manual.
Applies to: Generac NP-30G, Generac GN-190 / GN-220 engine, Generac GN-190 or GN-220 (see NOTE 2) engine, Generac GN-220 engine
Before you start
- Do NOT overbend the spring clip or it may lose its clamping force.
Procedure
- Start engine and immediately shut it down; observe carburetor throttle lever rotating counterclockwise as engine coasts.
- Verify a gap of about 0.003 inch (0.08-0.5mm) between throttle lever stop tab and carburetor stop block.
- Lightly compress the spring clip on the carburetor lever arm with pliers to let the linkage rod slide.
- With clip compressed, rotate throttle lever until there is a 0.003 inch gap.
- Release the spring clip to lock the adjustment.
Tools required
- Pliers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap 0.003 inch (0.08-0.5mm)
Full service-parts list: Generac NP-30G →
Source: Generac 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.