• Yamaha Jet Pump Rebuild Kit for WaveRunner 500/650LX (SKU: 003-632)
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Yamaha Jet Pump Rebuild Kit for WaveRunner 500/650LX (SKU: 003-632)

Yamaha Jet Pump Rebuild Kit for WaveRunner 500/650LX (SKU: 003-632)

$29.99
$29.99

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Specifications

Yamaha Jet Pump Rebuild Kit for WaveRunner 500 & 650LX Models – WSM 003-632

Restore your Yamaha jet pump to like-new condition with the WSM 003-632 Jet Pump Rebuild Kit, designed specifically for Yamaha WaveRunner 500, WaveJammer 500, and 650LX personal watercraft models. This complete rebuild kit includes all the bearings, seals, and O-rings required to rebuild your jet pump and restore reliable performance.

Over time, jet pump bearings and seals can wear due to water intrusion, corrosion, age, sand, and debris. Worn components often lead to cavitation, excessive vibration, reduced acceleration, water leaks, and overall performance loss. Rebuilding your pump with quality replacement parts helps restore pump efficiency, improve reliability, and extend the life of your watercraft.

The WSM 003-632 rebuild kit eliminates the need to source individual components by providing all the critical service parts needed for a complete pump rebuild in one convenient package.

Manufactured from durable marine-grade materials, this kit is ideal for routine maintenance, restoration projects, pump repairs, and preventative service on classic Yamaha WaveRunner and WaveJammer models.

Features:

  • Complete Yamaha Jet Pump Rebuild Kit
  • Includes Bearings, Seals & O-Rings
  • Restores Pump Performance & Reliability
  • Helps Reduce Cavitation & Vibration
  • Improves Pump Efficiency & Water Flow
  • Helps Eliminate Water Leaks
  • Durable Marine-Grade Components
  • Ideal for Pump Maintenance & Rebuilds
  • Convenient All-in-One Service Kit
  • Direct Replacement Components

Compatible Yamaha Applications:

  • Yamaha WaveRunner 500
  • Yamaha WaveJammer 500
  • Yamaha 650LX

Benefits of Rebuilding Your Jet Pump:

  • Restores Smooth Pump Operation
  • Improves Acceleration & Hook-Up
  • Reduces Bearing Noise
  • Prevents Water Intrusion
  • Extends Pump Life
  • Improves Overall Watercraft Performance

Part Number:

  • WSM 003-632

Common Symptoms of Worn Pump Components:

  • Cavitation During Takeoff
  • Excessive Pump Noise
  • Driveshaft Vibration
  • Water Leaks Around Pump Assembly
  • Reduced Performance
  • Rough Pump Operation

Models

Yamaha Jet Pump Rebuild/Repair Kit (Bearing and Seal Kit)
Applications:
1989-1993 WaveRunner/Jammer 500
1991-1993 WaveRunner 650LX

Model Years

  • 1989
  • 1990
  • 1991
  • 1992
  • 1993

Engine

500|650

FAQs

See All

How do I change the impeller in my craft?

Impros has complete impeller installation instructions for Yamaha, Sea-Doo, Kawasaki and Polaris PWC. See Impeller Installation instructions for the person that likes to get in there and do things themselves.

Does Impros balance each impeller they service?

Yes. Each and every impeller that we service is checked for accurate balance within 2/10ths of a gram. Slight rock damage and especially with impellers requiring weld, checking the balance is absolutely required with PWC impellers. Sometimes we’ll find new impellers out of balance right out of the box. We balance each impeller as the finish is applied, eliminating any chance of throwing it out of balance during the polishing process. These measures are proudly taken to insure our customers the highest quality impeller repair available. Ask our competition if and how they balance impellers, we’ve found that they typically rely on the original factory balance.

Does Impros use correct pitching techniques specific to each brand of impeller?

Yes, Impros is proud of our ability to pitch each brand impeller to the manufacture’s specific range of blade angle variation. Impros has a master gauge for every stainless-steel impeller made, assuring an accurate pitch and uncompromised performance, eliminating common guesswork. Each and every manufacturer builds the impeller geometrically different from one another and gauges the outer blade angle in a different way. Only a company with experience will accurately understand, manipulate and repair the blades of the impeller to its original state.

Customer Reviews

  • The best there is!! If you want true personalized impeller and/or pump service this is it. One word describes it all: Quality."
    testimonial author avatar
    Tim C.
    Verified Customer
  • "Big thank you to Glen for the quick turnaround, outstanding customer service, and honesty. I ended up choosing the race finish and couldn't be happier with the final result!"
    testimonial author avatar
    C. Kunamay
    Verified Customer
  • "Solid support when I had an issue. Immediately fixed. Wish all businesses operated like this, thanks!"
    testimonial author avatar
    John H.
    Verified Customer