2 min read
Fuel Recommendations
Fuel must meet these requirements for all 4 stroke cycle spark ignited engines. Gasoline with up to 10% ethanol (gasohol) is acceptable Clean, fresh,...
Support — FAQs
Support
2 min read
How Can I Find Part Number For Engine Replacement Parts?
Vanguard Support Team: Feb 3, 2026 10:04:46 AM
Quick Links: Where can I find my engine's part numbers? Locating the Engine Service Part Numbers on Illustrated Parts List My Engine Part Has More...
2 min read
What Is The Direct Replacement For My Engine?
Vanguard Support Team: Feb 3, 2026 10:04:28 AM
There are many variables that come into play when replacing an existing engine with a new one (shaft extension, mounting base, overall fit, etc.)....
2 min read
Vanguard/Commercial Series Engine Identification
Vanguard Support Team: Jul 25, 2025 7:00:00 PM
Vanguard has made identifying your commercial series engine easier than ever with the Vanguard Power Code. With one scan of an easy access QR code,...
2 min read
Engine Problem Solving Tips
Vanguard Support Team: Jul 22, 2025 7:00:00 PM
Many engine performance problems can be linked to maintenance issues such as stale fuel, dirty air filter, fouled spark plug, deteriorated oil, and...