278000392 Start/Stop Switch for Sea-Doo Explorer 650 1994

Start/Stop Switch for Sea-Doo

The Start/Stop Switch replaces OEM 278000392 and delivers reliable push-button ignition and shutoff control for your personal watercraft.

Overview

This start stop switch is a direct-fit replacement for select Sea-Doo SP 580 models, bringing back dependable engine start and stop function. Engineered to withstand the water, vibration, and repeated use of personal watercraft operation. A dependable fix for riders whose start stop switch has worn out or failed.

Built For Performance

• Direct replacement for OEM part number 278000392
• Sealed push-button design resists water intrusion
• Weather-resistant housing suited to marine environments
• Corrosion-resistant internal contacts for long service life
• Simple bolt-on installation with factory-style connector
• Handles repeated start and stop cycles without failure

Fits These Machines

• for Sea-Doo SP 580 (1989-1993)

On-The-Job Use

• Replacing a failed or intermittent start/stop switch on the handlebar
• Restoring engine shutoff safety function on the water
• Routine maintenance on aging personal watercraft electrical systems
• Repairing a craft that will not crank or will not shut off

Specs At A Glance

Good To Know

Q: Will this switch plug into my existing wiring? A: It is designed as a replacement for OEM 278000392, so it connects to the factory harness on compatible models. Confirm your model and year before ordering.

Q: What are the signs my start/stop switch needs replacing? A: Common symptoms include the engine not cranking, not shutting off, or the button feeling loose or unresponsive. A new switch restores dependable control.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.