CDI Box for Yamaha Wave Runner 3 GP 700 Lx 650 Wave Blaster 700 VXR 650 Pro 700

CDI Box for Yamaha Wave Runner

This ignition control unit replaces the factory CDI box on select Yamaha personal watercraft, restoring reliable spark timing and engine starting for 650cc and 700cc models.

Overview

This CDI box for Yamaha Wave Runner delivers the spark signal your engine needs to start and run cleanly. It serves as a direct replacement for a failed or weak ignition module on several 650 and 700cc watercraft. Riders and mechanics working on older Yamaha skis will find it a practical fix for no-spark and rough-running faults.

Built For Performance

• Solid-state ignition control for consistent spark delivery
• Sealed housing resists water splash and engine bay moisture
• Plug-in connector layout matches the original harness
• Built to handle the vibration and heat of marine use
• Restores factory-style ignition timing curve

Fits These Machines

• for Yamaha Wave Runner 3
• for Yamaha GP 700
• for Yamaha LX 650
• for Yamaha Wave Blaster 700
• for Yamaha VXR 650
• for Yamaha Pro 700

On-The-Job Use

• Replacing a no-spark CDI box on older Yamaha skis
• Diagnosing intermittent starting and stalling faults
• Seasonal tune-ups before launching the watercraft
• Restoring ignition on project or used personal watercraft

Specs At A Glance

Good To Know

Q: How do I know my CDI box is bad? A: Common signs include no spark, hard starting, and stalling at speed. Test spark output before replacing the box to confirm the fault.

Q: Will this fit every Yamaha 650 and 700 ski? A: Fitment varies by model and year, so check your hull and engine serial numbers against the listed models before ordering.

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