Onan 4000 will not start. Removed spark plug, it is oily and smells old. Created by vipsalons. Electrical Supplies - Watts - Onan Portable Generator - 4000 , Model# 5500

Onan 4000 will not start. Removed spark plug, it is oily and smells old

January 2021 1 10 Report

Onan 4000 will not start. Removed spark plug, it is oily and smells old

Electrical Supplies - Watts - Onan Portable Generator - 4000 , Model# 5500

If this is a two cycle rebuild and clean carb. If this is a four cycle your rings are going bad, the smell would mean trouble.