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Clutches and Clutch Kits
Upgrading the clutching system in a Polaris ACE can greatly improve its performance and ride quality, especially for those with larger tires. However, choosing the right ACE clutch kit depends on several factors such as tire size and weight, power modifications, and driving style. For example, a customer who wanted to run 30" rock tires on 14" beadlocks had to modify their clutch. While some may argue that it's possible to run larger tires without modifying the clutch, experts recommend upgrading the primary clutch at least. Clutching adjustments and upgrades can have a significant impact on the machine's response and performance. However, the benefits of clutch modifications may vary. One can experiment by winding up the secondary tighter and removing all the extra shims to reduce belt deflection and boost RPMs. It's important to determine what works best for your ride by trying out different clutching adjustments and upgrades.
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That being said, for most cases a clutch kit is worth the money. They will smooth out your ACE’s accelerations, making them less jerky, and prevent power loss in both the low- and high-end power ranges. Aftermarket Assassins makes a good primary clutch kit, and you can leave the stock secondary clutch how it came. Alternatively, you can go for a 3P primary clutch with an EPI spring. Hunterworks rollers, and an aftermarket EPI spring on your secondary -- a setup that works particularly well with bulky mud tires greater than 30”. If you’ve installed a clutch kit in your ACE but are still running poorly in the low- or high-end power ranges, you may want to investigate getting a spring made for mid-power ranges to balance things out. And if you really want to haul, combine your aftermarket clutch kit with an Evo slip-on exhaust and a computer reflash and your machine will be a completely different animal!
