Coleman generator OHV3000
Not a 6250 generator but a 3000 watt generator. The engin surges high and low rpm. Will not run at a steady speed.governor keeps moving and engin surges. This is with no load.
Electrical Supplies - Coleman - Powermate Premium Plus 6250W Portable Generator
Answers & Comments
The carburetor is probably clogged up. Mix a bottle of carburetor cleaner with the gas to see if that would help. Also check/replace the fuel filter.
It stopped backfiring but still surging without any losd