278000501 Start Stop Switch for Sea-Doo SPX 650 1995

Start/Stop Switch for Sea-Doo

This Start/Stop Switch is a direct-fit replacement for Sea-Doo personal watercraft, cross-referenced to OEM part 278000501, and it controls engine start and shutoff from the handlebar.

Overview

This Start/Stop Switch for Sea-Doo brings back crisp push-button control so you can start the engine and cut it instantly on the water. Matched to OEM 278000501, this Start/Stop Switch for Sea-Doo is built for riders replacing a worn or corroded unit on their 1995 SPX 650. Simple to install and dependable under spray, it keeps every launch and shutdown under your thumb.

Built For Performance

• Direct cross-reference to OEM part 278000501 for a drop-in fit
• Weather-resistant housing suited to constant splash and spray exposure
• Push-button start and stop action with a positive tactile click
• Sealed wiring connection points to resist corrosion in marine use
• OEM-style mounting footprint for the handlebar switch housing
• Built to withstand repeated on-water cycles and vibration

Fits These Machines

• for Sea-Doo SPX 650 (1995)
• for Sea-Doo models using OEM switch 278000501

On-The-Job Use

• Replacing a failed or intermittent start/stop button on the handlebars
• Restoring engine shutoff control for safer riding
• Routine maintenance on 1990s Sea-Doo personal watercraft
• Freshening up a restoration or pre-season tune-up

Specs At A Glance

Good To Know

Q: Will this switch plug into my existing wiring? A: This Start/Stop Switch is designed to match the OEM 278000501 connection points, so it typically plugs into the stock harness without adapters. Inspect your connectors for corrosion before installing.

Q: Does this fit any other Sea-Doo years? A: It is listed for the 1995 SPX 650 and any Sea-Doo model that uses OEM switch 278000501. Confirm your model and serial number before ordering to avoid fitment surprises.

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