While the MXZx 600 RS has been the class of the field, resting on laurels isn’t how the BRP Race Team operates, and this year’s snocross racing snowmobile clearly demonstrates that – as did the previously announced MXZ X-RS with Competition Package and Summit Hill Climb Edition that were heavily influenced production-based models.

The newest version of the MXZx 600RS will deliver more performance and durability for top pros and independents alike with key features from the REV Gen5 platform.

The list of improvements doesn’t stop with the platform as it also includes a re-engineered rear suspension and engine updates to take things up another notch.

The REV platform with its open cockpit design and centrally balanced engine provide superior rider ergonomics and handling in rough conditions. The layout delivers agile and responsive behavior to rider input while the Ergo Step side panels and beveled tunnel allow racers the room to attack – without interference from the chassis.

It features the REV Gen5 four-point engine mounting system and improved CVT alignment for more consistent clutch performance plus a stiffer chassis that provides more precise handling and better feedback to the rider. Another Gen5 feature is the quick-change drive axle for easier and faster track changes, making race weekends easier for the pit crews.

The RS specific front S-Module is also reinforced for improved durability and because racing can lead to unexpected events, the ignition coil and RAVE motor have been relocated inboard to protect from impacts.

Changes from last year carryover in the RAS RS front suspension with shorter shock length that maintains the same travel to help lower the center of gravity, and a spring rate that was increased to reduce roll, for better cornering.

The front suspension continues to feature a long spindle design that allows high cornering speeds and a unique power steering system exclusive to the MXZx RS race sled that provides ultra-precise handling with less effort.

The legendary rMotion RS rear suspension has also undergone many engineering updates for improved performance including a refined center arm for improved traction in rough conditions – especially the ice edges and ridges that develop in snocross racing.

The motion ratio of the rear arm is changed with a new linkage that provides a softer initial feel and when combined with the improved coupling it delivers better traction and weight transfer for more control in wicked snocross conditions.

The MXZ RS continues to use bespoke 46 mm KYB Pro Series shocks that have Integral Base Valves with the ability to adjust not only High and Low Speed Compression but also High Speed rebound and calibration has been updated to match the rear suspension geometry changes.

The engine powering the MXZx 600RS E-TEC is as sophisticated as any 2-stroke on earth – except maybe the Rotax 850 E-TEC Turbo R that features water injection, where it draws technology from like booster injectors, a short intake tract with double reeds and digital eRAVE. But that doesn’t mean it’s finicky or high maintenance – it’s actually just the opposite.

By using E-TEC advanced systems, this 600cc high output monster is a hands-off package that compensates for weather and altitude conditions while delivering maximum horsepower at all times without human intervention.

This year the engine uses new larger injectors and further refined calibration that improves reliability and overall performance yet again.

2024 MXZx 600RS HIGHLIGHTS:

NEW REV Gen5 Platform DNA

● Taper/tilt tunnel design
● NEW 4-point engine mounting
● NEW quick change drive axle
● Short heat exchanger with internal loop
● 137″ Track
● Lightweight Lexan Hood
● Quiet, high flow Airbox Design
● LED Lightweight Headlights
● NEW Reinforced S module
● MX inspired seat and hi-traction cover
● Racing foot box
● 5-gallon fuel tank
● Lower center of gravity
● High Air Flow Left Vent

RAS RS Front Suspension

● Kashima coated 46mm KYB Pro Series shocks (High Speed /Low Speed compression and High Speed / Low Speed Rebound adjustments)
● Integral Base Valve Adjuster
● Rack steering with power assist
● Long Spindle design (Stronger + better speed cornering)
● Lightweight Pilot R2 Ski – Reinforced

NEW rMotion RS Rear Suspension

● Race proven rail design, higher front arm mount, new color
● 137″ length
● NEW refined front arm
● NEW motion ratio (softer initial)
● NEW improved coupling
● Kashima coated 46mm KYB Pro Series piggyback center shock w/ High Speed / Low Speed compression and High Speed Rebound adjustment
● Kashima coated 46mm KYB Pro Series piggyback rear shock w/ High Speed / Low Speed compression and High Speed / Low Speed rebound adjustment
● Integral Base Valve Adjuster
● Revised geometry
● Holeshot Device

Rotax 600RS E-TEC Engine (599.4 cc)

● E-TEC direct injection
● Monoblock cylinder design with Plasma coating- delivers high horsepower
● NEW larger injectors
● NEW engine calibration
● Intake booster injectors (850 E-TEC-inspired)
● Shorter intake length (850 E-TEC-inspired)
● Double reed valves (850 E-TEC-inspired)
● eRAVE (850 E-TEC-inspired)
● Lightweight exhaust system (Stainless steel tuned pipe)
● Racing Throttle Block – Ready for 50% throttle applications
● Reinforced engine mounts
● Hot Start Button

Drivetrain

● Brembo Brake System – large diameter rotor, easy maintenance caliper
● pDrive primary clutch
● TEAM TSS-04 secondary clutch
● Slip gear – Better durability, less maintenance
● Lightweight belt guard – better air flow

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The 2018 MXZx 600RS E-TEC is based on the REV Gen4 platform for superior rider ergonomics and handling in rough conditions.

Like all Gen4 sleds, the narrow design featuring centralized mass is agile and responsive while the Ergo Step side panels and beveled tunnel gives racers enormous freedom to ride the way they want – without interference from the chassis.

Other features unique to the racing sled include a tilted tunnel with short heat exchanger, new motocross inspired seat, racing footholds and a small fuel tank.

The RAS 3 front suspension with unique steering system provides ultra precise handling with less effort so racers can concentrate on choosing the best lines. To further assist precise steering the sled is equipped with the new lightweight Pilot R2 skis that were race tested last year by top pros Tim Tremblay and Lincoln Lemieux.

One thing familiar will be the Racing rMotion skid frame in back – but it too receives some major upgrades. There’s a new KYB piggyback 46mm center shock, new motion ratio and calibration for the rear shock, and lighter weight components throughout.

The very special – for racing only – Rotax 600RS E-TEC engine is also all-new for 2018, with more horsepower and extremely fast dynamic response racers will appreciate. E-TEC direct injection makes its racing debut and combined with the booster injectors first deployed on the Rotax 850 E-TEC, delivers that quick response and contributes to the overall power gains.

Other ideas adapted from the 850 for this specialty engine include a shorter intake tract with double reeds, digital eRAVE and lightweight exhaust system. The 600RS E-TEC also gains a little more displacement as it grows to 599.4 cc. The updated powerpack was completely reconfigured to fit in the efficient REV Gen4 platform.

And good news for racers that come into a corner a little too hot with all that extra power; new this year is a Brembo four-piston brake caliper mated to a new stainless steel rotor delivering stronger, more consistent performance and better durability.

2018 MXZx 600RS Highlights:

REV Gen4 Platform

– Reinforced E and S modules
– NEW Taper/tilt tunnel
– Short heat exchanger
– NEW MX inspired seat
– NEW Racing foot box
– 5-gallon fuel tank

RAS 3 Front Suspension

– NEW longer KYB Pro 40R Shocks
– Rack steering with power assist
– NEW Taller spindle
– NEW light weight Pilot R2 Ski

Racing rMotion Rear Suspension

– Lighter components
– NEW 46mm KYB Pro series center shock
– NEW rear shock calibration and motion ratio

Rotax 600RS E-TEC Engine (599.4 cc)

– E-TEC direct injection
– Intake booster injectors (850-inspired)
– Shorter intake length (850-inspired)
– Double reed valves (850-inspired)
– NEW monoblock cylinder design with Plasma coating
– NEW Piston (largerbore)
– eRAVE (850-inspired)
– NEW light weight exhaust system

Drivetrain

– pDrive primary clutch
– TEAM TSS-04 secondary clutch
– NEW slip gear and final drive ratio (51t–22t)
– RS drive axle
– NEW Belt