Why Won't My Quad Start With Electric Start?

Published: 6 July 2023

Updated: 24 March 2025

Your quad’s ready for action, but it won’t start—completely dead. What’s going on?

Let’s explore why your quad won’t start with the electric start.

We’ll cover all quad types, from general ATVs to kids' petrol quads and kids' electric quads.

Why Won’t My Quad Start?

A quad may not start due to a dead battery, engaged kill switch, stale or no fuel, a faulty spark plug, or electrical issues. Check the battery with a voltmeter—if low, charge it with an ATV-specific charger. Also, disengage the kill switch, refuel with fresh petrol, replace the spark plug, or inspect wiring for corrosion. If it still won’t start, consult a mechanic.

Common Causes of an Unresponsive Quad

Kill Switch Engaged

The kill switch might be on, stopping the quad for safety.

Check it first—it’s an easy fix if that’s the issue.

No Fuel or Stale Petrol

An empty tank or old, contaminated fuel can prevent starting.

Fresh petrol is key—stale fuel loses its ignition power.

Dead Battery

A drained battery can’t power the starter motor.

Related: Common Issues with Kids' Toy Car Batteries

Electrical Corrosion

Corrosion in the electrical system can break connections.

Inspect for rust or loose wires causing the failure.

Struggling without a pull cord? See How To Start A Quad Without Pull Start.

Fixing a Quad That Won’t Start

Let’s tackle solutions with our quad troubleshooting guide.

Replace the Spark Plug

A worn spark plug can’t ignite the fuel mix—swap it out.

Fix the Fuel Pump

A faulty fuel pump may not deliver enough pressure—replace it.

Check the Solenoid

No click when starting? The solenoid might be bad—replace it.

Inspect Wiring

Loose or broken wires can halt the system—repair as needed.

When to Call a Mechanic

If these steps fail, a mechanic can diagnose deeper issues.

Routine Maintenance Tips

Regular maintenance prevents starting issues and keeps your quad ready.

• Battery Care: Check charge levels often—see how to maintain batteries.
• Fuel System: Use fresh petrol; clean the system to avoid clogs.
• Spark Plugs: Replace every 20-30 hours of use.
• Electrical Checks: Inspect for corrosion or loose connections.

Explore more in our kids' quad bike buyer’s guide.

In Summary

A quad not starting can stem from simple fixes like a kill switch or fuel issue.

Know where to ride to extend its life—check where to ride quads in the UK.

FAQ’s

Why won’t my quad start with electric start?

It could be a dead battery, engaged kill switch, stale fuel, or bad spark plug—check each.

Can weather affect my quad’s starting?

Yes, cold weather can drain batteries, while heat impacts fuel efficiency.

What’s a starter relay, and can it stop my quad?

A starter relay powers the motor—if faulty, you’ll hear a click but no start.

Why does my quad stall after starting?

A clogged air filter, carburetor issue, or ignition problem might be the cause—see a mechanic.