Polaris 850 PRO RMK KHAOS 155 – Mountain Performance Snowmobile

Description

Engine

• Engine Type: Patriot 850 Cleanfire® 2-Stroke Twin

• Displacement: 840cc

• Cooling System: Liquid cooled

• Fuel System: Electronic Fuel Injection (EFI)

• Bore x Stroke: 85 mm × 74 mm

• Ignition: Digital CDI

• Estimated Horsepower: ~165 HP

• Exhaust: Lightweight single pipe performance exhaust

Drivetrain

• Drive/Clutch: P-85 Drive Clutch

• Driven Clutch: TEAM LWT

• Chaincase: QuickDrive 2 Low-Inertia Belt Drive

• Reverse: PERC® (Polaris Electronic Reverse Control)

• Drive System: Belt drive mountain system

Suspension

Front Suspension (RMK React)

• Type: RMK React Suspension

• Travel: 9 inches (229 mm)

• Shocks: Walker Evans® Velocity (or Pro versions depending on trim)

• Ski Stance: Adjustable 36–38–40 inches

Rear Suspension (KHAOS Rear Suspension)

• Type: RMK KHAOS Lightweight Rear Suspension

• Travel: 16 inches (406 mm)

• Shocks: Walker Evans® Velocity or Pro Piggyback

• Designed for: More playful, wheelie-friendly, aggressive riding

Track & Skis

• Track Length: 155 inches

• Track Width: 15 inches

• Lug Height Options: 2.6″ or 3.0″ Series 8 mountain track

• Track Type: Lightweight mountain track

• Skis: Gripper skis

Dimensions

• Overall Length: ~120 inches

• Width: Adjustable front stance

• Height: ~50 inches

• Dry Weight: Approx. 408–415 lbs (very lightweight mountain sled)

• Fuel Tank Capacity: 11.5 gallons (43.5 L)

Chassis & Build

• Platform: Matryx RMK Lightweight Chassis

• Frame: Aluminum mountain-specific design

• Handlebars: ProTaper mountain bars with adjustable riser

• Seat: RMK lightweight mountain seat

• Running Boards: Narrow extruded aluminum with snow evacuation cutouts

• Storage: Small under-seat storage

Electronics & Features

• Display: Polaris 7S digital display (Ride Command optional on some trims)

• Electric Start: Optional

• Reverse: Electronic

• LED Headlights

• Heated Grips & Thumb Warmer

• Handlebar controls

• Lightweight mountain bumper

Performance Highlights

• Extremely lightweight for deep powder riding

• Quick throttle response

• Aggressive “KHAOS” rear suspension for better lift and playfulness

• Excellent side-hilling capability

• Designed for technical mountain terrain and freestyle riding