2 min read
What are CAN-bus and the J1939 standard in Vanguard batteries?
- This FAQ article applies to all Vanguard battery packs - Content > What is a BMS (Battery Management System)? > Key Features of CAN-Bus > How Does...
Vanguard Tips & Troubleshooting
Troubleshooting / Repairs
1 min read
Advanced Engine Repair
Vanguard Support Team: Feb 25, 2026 8:58:05 AM
Advanced Repair The systems and techniques in this section are more complex than those described in our Basic Problem Solving Tips FAQ. But they're...
2 min read
Why Does My Engine Start And Then Shut Down?
Vanguard Support Team: Feb 25, 2026 8:58:05 AM
- This FAQ article applies to all Vanguard engines - Content > Engine Performance Issues and Maintenance > The Dangers of Stale Fuel > Preventing...
4 min read
How do I troubleshoot & repair common engine problems?
Vanguard Support Team: Feb 25, 2026 8:58:05 AM
- This FAQ article applies to all Vanguard engines - Content > Engine won’t start > Engine runs poorly (Q&A format) > Engine Stalling, surging or...
1 min read
How do I charge a Vanguard battery to maximize its life cycle?
Vanguard Support Team: Feb 25, 2026 8:58:05 AM
- This FAQ article applies to all Vanguard battery packs - Content > The 20-80% Charging Rule > Maximized battery lifespan > Minimized stress > Which...
4 min read
How do I adjust the carburetor?
Vanguard Support Team: Feb 25, 2026 8:58:05 AM
- This troubleshooting applies to all Vanguard vertical and horizontal shaft engines with a carburetor - Content > First of all: Cleaning > How do I...
1 min read
How much oil is required for my engine?
Vanguard Support Team: Feb 25, 2026 8:58:04 AM
- This FAQ article applies to all Vanguard engines - Engine oil capacity is dependent on your specific engine model. To determine your engine's oil...
1 min read
What is the difference between kW and kWh?
Vanguard Support Team: Feb 25, 2026 8:58:04 AM
- This FAQ article applies to all Vanguard battery packs - Content > Watt (W) / Kilowatt (kW) = Power > Watt-hour (Wh) / Kilowatt-hour (kWh) = Energy...
2 min read
How should I properly maintain a Li-Ion battery?
Vanguard Support Team: Feb 25, 2026 8:58:04 AM
- This FAQ article applies to all Vanguard battery packs - Content > Inspect before use > Charge to approximately 50% > Store in cool, dry place >...
1 min read
Why Does My Engine's RPM Seem To Fluctuate (Runs Rough)?
Vanguard Support Team: Feb 25, 2026 8:58:04 AM
- This FAQ article applies to all Vanguard engines with a carburetor - Many engine performance problems can be linked to maintenance issues such as...
3 min read
Replacing The Ignition
Vanguard Support Team: Feb 25, 2026 8:58:04 AM
Quick Links: Installing and adjusting a new ignition armature Testing a stop switch Retrofitting an older ignition armature How do I replace the...
1 min read
What does BMS mean and what is its purpose?
Vanguard Support Team: Feb 25, 2026 8:58:03 AM
- This FAQ article applies to all Vanguard battery packs - Content > What is a BMS (Battery Management System)? > What are the key roles and fuctions...
4 min read
How do I rebuild or Overhaul an Engine Carburetor?
Vanguard Support Team: Feb 25, 2026 8:58:03 AM
- This FAQ article applies to all Vanguard engines with a carburetor - Content > Step 1: Removing the carburettor > Step 2: Disassembling a...
2 min read
How do I identify a Vanguard Commercial Engine?
Vanguard Support Team: Feb 25, 2026 8:58:02 AM
- This FAQ article applies to all Vanguard engines - Content > How Do I Use My Vanguard Power Code? > Other Ways To Identify Vanguard Commercial...
1 min read
Electrical Schematic & Wiring Diagrams
Vanguard Support Team: Feb 25, 2026 8:58:02 AM
- This FAQ article applies to all Vanguard engines - Briggs & Stratton supplies electrical components pertaining to the engine only. However, basic...