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IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle. Always follow the warnings and instructions in Owner's Manual.

Click the link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com.

Patriot Boost PRO RMK
Patriot Boost RMK Khaos

Capacities and Dimensions

Body Style

Matryx

Rider Capacity

1

Coolant Capacity

Short: 5.41 qt (5.12 l)

Chaincase Oil Capacity

N/A

Fuel Tank Capacity

11 gal (41.6 l)

Gearcase Oil Capacity

N/A

Oil Capacity

3.9 qt (3.7 l)

Estimated Dry Weight

Khaos 155 / Pro 165: 442 lb (200.5 kg)

Pro 155: 437 lb (198.2 kg)

Khaos 165: 447 lb (202.7 kg)

Khaos LE 2.75: 449 lb (203.6 kg)

Khaos LE 3.25: 455 lb (206.4 kg)

Pro LE 2.75: 447.5 lb (202.9 kg)

Pro LE 3.25: 453.5 lb (205.7 kg)

Height

53 in (134.6 cm)

Length

155: 126.7 in (321.8 cm)

165: 132 in (335.2 cm)

Designed Width

43.4 in (110.3 cm)

Disc Brake Type

RMK LWT

Drive Clutch Center Distance

11.5 in (29 cm)

Drive Belt P/N

3211216

Drive Clutch Type

P-22

Driven Clutch

LW Team Roller Reverse

Reverse Transmission

Electronic Reverse

Engine and Cooling

Engine

S9219-8444-LS8M

Engine (International Models)

S9221-8444-LS8M

Displacement

840 cc

Cylinders

2-monoblock

Bore x Stroke (mm)

85 x 74

Alternator Output

500 w @ 5,000 RPM

Throttle Body

1209157

Oil Injection

Electronic Oil Pump

Recommended Engine Oil

VES Extreme

Throttle Body Bore Size

48 mm

Idle RPM

2100 +/- 200

Rated Operating RPM

8250 +/- 150

Cooling

Liquid

Thermostat Opening Temp.

98.6 f (37 c)

Ignition Type

CDI

Spark Plug / Gap

NGK® BPR8ES / .027 in (.7 mm)

Recommended Fuel Octane

91 (R+M)/2 E0 with POLARIS Anti-Static Fuel Treatment recommended

FEATURES

Electronic Fuel Gauge

Standard

Electric Start

Optional / Accessory

Low Oil Light

Standard

Temporary Brake Lock

Standard

Speedometer

Standard

Tachometer

Standard

Clutching Chart

CLUTCH SETTINGS
ALTITUDE
meters (feet)
DRIVE CLUTCH DRIVEN CLUTCH QUICK DRIVE
Gearing / Pitch
Shift Weight Clutch Spring Clutch Spring Driven Helix 2.75 in Track 3.25 in Track

0-1800 (0-6000)*

14-80
(1327228)

BLK
165-310
(7045965)

BLK/PURP
160-240
(7043363)

58 / 46 / .36
(5144849)

22:43
69 Pitch

1800-3600 (6000-12,000)**

14-76
(1327226)

STR 46
(5144853)

22:50
73 Pitch

Shaded cells indicate North American and INTL stock settings.

* = North American and INTL Low-Elevation Stock Setting

** = North American and INTL High-Elevation Stock Setting

Follow clutching chart recommendation for a specified elevation.

Adjust shift weight gram value in increments of 2 grams, maximum of 4 grams, until recommended engine RPM operating range of 8250 +/- 150 RPM is achieved.

Drive Clutch Bolt Torque: 110 ft-lbs (149 N·m). After clutch install, re-torque once after running engine. Re-torque after running engine for the first time in a season.