2017 Ski-Doo GEN 4 REV
Published on February 23, 2016 in News & Updates, Snowmobile Product Review
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The 2017 Ski-Doo Gen 4 REV features an all new chassis and Rotax 850 E-TEC engine for select 2017 MX ZX, TNT, Renegade X, Renegade Adrenaline and Summit X, Summit SP snowmobile models.

2017 Ski-Doo GEN 4 REV Chassis

The all-new, narrow Gen 4 REV chassis was made possible by a drivetrain that is over 4 inches narrower and more centralized. The riding position has been moved even forward than previous designs, described by Ski-Doo as the “extreme-forward position,” allowing more control and freedom to move and influence the sled, such as when leaning forward or side-to-side.

An adjustable handlebar riser has 4 positions and 4 inches of fore-aft adjustment.

2017 SKI-DOO GEN 4 REV

The tunnel now has a stamped aluminum heat exchanger without the traditional fins that were susceptible to damaged. It’s reported that the battery now resides in the rear of the seat. Brembo racing brake with stainless-steel braided brake line are standard.

Optional Open Toe-Holds, like on a motorcycle, enables a rider to naturally pivot their outside foot outward in aggressive cornering.

Rotax 850 E-TEC engine

The new Rotax 850 E-TEC engine cranks out 165 horsepower, that’s 10 more than the 800R E-TEC. Ski-Doo claims the new 2-stroke has 30% quicker throttle response and 40% greater oil range. The engine utilizes technology from diesel engines, with a forged crankshaft, forged aluminum pistons and forged ring lands, said to be as reliable and long lasting as a 4-stroke engine. The new metered electric oil pump uses less oil while delivering more precise and improved crank oiling.

2017 SKI-DOO Rotax 850 E-TEC

pDRIVE CLUTCH

A major factor in the quickness of REV sleds is the new pDrive clutch, a friction-free dual rollers design in place of traditional sliding buttons on this 100% new clutch. The oversize rollers with needle bearings, wide flyweights and shaft-on-shaft design emphasize smooth operation and long life. Ultra-responsive shifting, impressive RPM consistency and 2.8 lb. lighter than the TRA VII.

RAS 3 FRONT SUSPENSION

The new cast aluminum bulkhead in the Gen 4 REV delivers an extra inch of front suspension travel with the RAS 3.  Similar geometry and design to the stable and precise RAS 2, it has been optimized for the Gen 4 REV platform by reducing weight by almost a pound. Even more precision is delivered with a rack steering system on X models that eliminates all bump steer.

rMOTION 129 REAR SUSPENSION

The rMotion suspension returns with minor updates. A 129-inch track length is available on the MX ZX (RipSaw or Ice Ripper X) and TNT (RipSaw). The rising-rate/progressive motion ratio with separate spring and shock dynamics, plus easy adjustments for shocks, springs and coupling block.

SUSPENSION ADJUSTMENT PACKAGE (OPTIONAL – SPRING ONLY)

This option includes rMotion Quick Adjust system with no-tool tuning of the rear spring preload and shock compression damping on the running boards and new Pilot TS adjustable skis. Available as a Spring Order option on select Renegade X-RS, Renegade X, MXZ X-RS and MXZ X.

2017-MXZ-850-E-TEC-REV-G4

MULTI-FUNCTION ANALOG / DIGITAL GAUGE

The analog speedometer and tachometer are complemented by a multi-function three-zone LCD screen packed with data.

INTERESTING OPTIONS FOR 2017

Garmin GPS Zumo 590 can be mounted to the glove box.

Ambient Air & Engine Temperature Module that also has lap record mode on the multi-function gauge.

A USB power outlet kit

SPECS

Claimed weight for the 2017 MXZ TNT 850 E-TEC REV G4 chassis is 471 lb Dry.

Claimed weight for the 2017 MXZ X 850E-TEC REV G4 chassis is 475 lb Dry.

Read more at Ski-Doo.com


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