This impeller is a replacement jet-pump impeller for specified Yamaha personal watercraft. It is intended for use in compatible 144 mm pumps. Confirm the craft’s exact model, year and pump before ordering.

Features

• Blade design intended to improve thrust and acceleration; results depend on the watercraft setup.
• Corrosion-resistant construction for personal-watercraft use.

Specifications

• Pitch designation: 12/20.
• Three blades.
• Material: stainless steel.
• Jet-pump size: 144 mm.

Cross-Reference OEM Part Numbers

• SOLAS: YJ-CD-12/20.

Vehicle Fitments

YAMAHA

• EX (2017 onwards)
• EX Deluxe (2017 onwards)
• EX Sport (2017 onwards)
• EX Limited (2017 onwards)
• SuperJet (2021 onwards)
• JetBlaster (2025 onwards)
• JetBlaster Pro (2025 onwards)

The 2022–2024 JetBlaster and EXR are not listed for this impeller; SOLAS specifies different impellers for those applications.

Selection Guidance

• The 12/20 version is marketed for EX applications with stock ECU tuning. A separate 12/17 version is offered for some tuned setups.