How to use this chart

When choosing an impeller, there are a number of critical factors that you should consider. You also need to consider whether your watercraft has been modified to increase its horsepower and overall performance. A Watercraft that has been significantly modified will require a different impeller to an unmodified watercraft, even in circumstances where both watercraft are the same make, model and year.

Bearing this in mind, the chart below has been divided into three different categories:

• "Stock Engine" indicates that there has been little or no modifications made to your watercraft's motor;
• "Limited Engine" indicates that some modifications have been made to your watercraft, however these changes have been "bolt on" and have only slightly increased your craft's horsepower; and
• "Modified Engine" indicates that some "bolt on" modifications have been made to your watercraft, as well as some custom made internal modifications, resulting in a considerable increase in horsepower.

The following chart is intended to be used as a guide only. As always, if you are unsure which category your watercraft falls into, please contact an FMR technician.

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POLARIS (1992 - 2004)

*Suggested for maximum bottom-to-mid range acceleration gains. ** Suggested for maximum top speed gains.

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