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Proform J8LI Drive Motor Model Number 831.297990.

This is an upgraded 2.9hp replacement drive motor for a Proform J8LI treadmill, model 831.297990.

Shipping: $5.99
Warranty: 1 Year
ETA: 3 to 5 Business Days
Availability: In stock

Detailed Description

This is a replacement DC drive motor for a Proform J8LI treadmill, model 831.297990 This 2.9 horsepower, direct current, permanent magnet motor is an upgrade from the original motor. It runs cooler, and is much more durable over the life of your treadmill. This motor comes with a one year warranty. Contact us with any questions via on our toll-free number 888-362-1105 or email at Please include your model number when processing your order.

Troubleshooting has hundreds of troubleshooting tips, most repairs can easily be done at home with basic tools, saving you hundreds of dollars. To help you save money we've spent many hours compiling our years of knowledge so that we can share it with you. This information is all available on our Troubleshooting page.

Some of the most common problems we see are:

Belt Centering and Tensioning
My Manual Says Not to Lube
Sluggish Belt
Walking Belt Adjustment Instructions
Measuring the Walking Belt
Motor Test

If you don't see your problem here, give us a call at 1-800-750-4766 and one of our techs will help you with your problem.