Gas Walk Behind Mower — service parts and specifications
Read this before you order anything. These figures are transcribed automatically from manufacturer manuals and can be wrong. Nothing here is a fitment guarantee or professional advice.
Provided free, as is, with no warranty and no liability accepted — you use it at your own risk and on your own responsibility. Check every number against the plate on your own machine before you buy or fit a part.
Reference data — no warranty, no fitment guarantee, used at your own risk. Disclaimer
Transcribed from the manufacturer manual — not a fitment guarantee. Manufacturers supersede part numbers during a production run: check these against the plate on your own machine before ordering.
Spark plug gap — Set with a feeler gauge before installing. A wrong gap causes hard starting and rough running.
Blade — Sharpen or replace at the start of each season. Always balance a sharpened blade before refitting.
| Item | Value | Context | Page |
|---|---|---|---|
| Spark plug gap | .030 | … around and on top of engine. Occasional skips 1. Spark plug gap too close. 1. Adjust gap to .030". (hesitates) at high speed Idles poorly 1. Spark … | 17 |
| Blade | 490-850-0005 | Attachments& Accessories 1 Component [ Model Number and Description 490-850-0005 Blade Removal Tool -- Holds blade in place for faster, safer … | 19 |