SCORE INTERNATIONAL

SCORE Journal Issue 7-2015

SCORE Journal - The Official Publication of SCORE Off-Road Racing

Issue link: http://read.uberflip.com/i/555623

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P olaris raised the stakes on UTV power by releasing its 2016 model RZR XP Turbo EPS. With 144 horsepower, it's the most powerful engine in a side- by-side available from the factory. The 2016 model isn't just the same vehicle with a turbo slapped into the engine, however. This side-by-side was completely remodeled from the ground up. To handle the extra horsepower, Polaris designed the 2016 RZR XP Turbo EPS with a stronger driveline that starts with a new high-performance PVT system. It features all new clutches and drive belt, along with a beefed-up transmission with geared reverse and stronger shafts that are all attached to a high-performance on-demand all-wheel drive system. Polaris also added a clutch air cooling system that reduces clutch and belt temperatures to extend the belt life. The new Polaris ProStarĀ® Turbo engine, utilizes a turbocharger, giving it the industry leading power that allows the RZR XP to accelerate from 0-60 mph in 5.89 seconds and deivers more than 45 percent more torque. The ProStarĀ® Turbo engine utilizes forged pistons, an upgraded 270-degree firing order forged crankshaft, high-strength connecting rods, a closed deck cylinder, sodium filled exhaust valves and a new oil lubrication system. To keep things cool Polaris added a new liquid charge air cooler with front-mounted radiator and high-flow electric pump. An engine management system also looks for detonation and keeps boost under control. In addition, a high-flow return style fuel system allows for maximum power under Continued on page 30 029 SCORE JOURNAL

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