Content Source: 2021 PRO-RMK / RMK KHAOS / SKS 155 Owner’s Manual (9931274 Rev 01) > Specifications Chapter
| IMPORTANT |
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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 CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com |
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Capacities and Dimensions |
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Body Style |
AXYS |
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Rider Capacity |
1 |
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Coolant Capacity |
5.3 qt (5 L) (155) 5.5 qt (5.2 L) (163 / 165) 5.7 qt (5.4 L) (174) |
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Chaincase Oil Capacity |
N/A (Quickdrive Models) 9 oz (266.2 mL) (Chaincase Models) |
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Fuel Tank Capacity |
11.5 gal (43.5 L) |
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Gearcase Oil Capacity |
N/A |
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Oil Capacity (qts./l) |
3.9 qt (3.7 L) |
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Height |
49.1 in (124.8 cm) |
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Length |
131 in (333 cm) (155) 134.4 in (341.4 cm) (163 / 165) 142 in (360.6 cm) (174) |
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Designed Width |
43.5 in (110.5 cm) |
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Brake Type |
Hayes® Apollo |
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Drive Clutch Center Distance |
11.5 in (29 cm) |
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Drive Belt P/N |
3211216 |
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Drive Clutch |
P-85 |
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Driven Clutch |
LW Team Roller Reverse |
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Reverse Transmission |
Electronic Reverse |
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Engine / DRIVETRAIN / Cooling |
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Engine |
SS6185-8444-LO8R |
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Displacement |
840 cc |
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Cylinders |
2 Monoblock |
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Bore x Stroke (mm) |
85 x 74 |
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Alternator Output |
500 watt |
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Throttle Body |
1205875 |
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Oil Injection |
Electronic Oil Pump |
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Recommended Engine Oil |
VES |
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Throttle Body Bore Size |
50 mm |
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Idle RPM |
1800 +/- 200 |
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Rated Operating RPM |
8250 +0/- 150 |
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Cooling |
Liquid |
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Thermostat Opening Temp. |
100 °F (38 °C) |
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Ignition Type |
Multi-Dimensional CDI |
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Spark Plug / Gap |
NGK® BPR 9ES /.027 inches (0.7 mm) |
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Recommended Fuel Octane |
91 recommended (87 minimum) |
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FEATURES |
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Electronic Fuel Gauge |
N/A |
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Electric Start |
Optional |
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Low Oil Light |
Standard |
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Parking Brake |
Standard |
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Speedometer |
Standard |
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Tachometer |
Standard |
| CLUTCH SETTINGS | ||||||
|---|---|---|---|---|---|---|
| ALTITUDE meters (feet) |
DRIVE CLUTCH | DRIVEN CLUTCH | QUICK DRIVE Gearing / Pitch |
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| Shift Weight | Clutch Spring | Clutch Spring | Driven Helix | 2.6 in Track | 2.75 in Track | |
| 0-900 (0-3000)* |
10-72 (1322428)* |
ALMOND/GLD 150-290 7041645 |
RED/BLU 140-200 7043057 |
60 / 44 / .36 5143882 |
22:43 69 Pitch |
22:50 73 Pitch |
| 900-1500 (3000-5000) |
10-70 (1322414) |
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| 1500-2100 (5000-7000) |
10-70 (1322414) |
BLACK 120-320 7044537 |
BLACK 155-222 7043063 |
STR 42 5143881 |
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| 2100-2700 (7000-9000)** |
10-68 (1322427) |
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| 2700-3350 (9000-11,000) |
10-66 (1321584) |
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| 3300-3900 (11,000-13,000) | 10-64 (1321585) | |||||
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Shaded cells indicate factory settings. Use 2 gram lighter shift weights when operating in temperatures above 40° F (5° C). * = North American Low-Elevation and INTL Stock Setting ** = North American High-Elevation Stock Setting Drive Clutch Bolt Torque: 80 ft-lbs (108 Nm) Re-torque after running engine. |
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| CLUTCH SETTINGS | ||||||
|---|---|---|---|---|---|---|
| ALTITUDE meters (feet) |
DRIVE CLUTCH | DRIVEN CLUTCH | QUICK DRIVE Gearing / Pitch |
CHAINCASE Gearing / Pitch |
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| Shift Weight | Clutch Spring | Clutch Spring | Driven Helix | |||
| 0-900 (0-3000)* |
10-72 (1322428)* |
ALMOND/GLD 150-290 7041645 |
RED/BLU 140-200 7043057 |
60 / 44 / .36 5143882 |
22:50 73 Pitch |
19:44 74 Pitch |
| 900-1500 (3000-5000) |
10-70 (1322414) |
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| 1500-2100 (5000-7000) |
10-70 (1322414) |
BLACK 120-320 7044537 |
BLACK 155-222 7043063 |
STR 42 5143881 |
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| 2100-2700 (7000-9000)** |
10-68 (1322427) |
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| 2700-3350 (9000-11,000) |
10-66 (1321584) |
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| 3300-3900 (11,000-13,000) | 10-64 (1321585) | |||||
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Shaded cells indicate factory settings. Use 2 gram lighter shift weights when operating in temperatures above 40° F (5° C). * = North American Low-Elevation and INTL Stock Setting ** = North American High-Elevation Stock Setting Drive Clutch Bolt Torque: 80 ft-lbs (108 Nm) Re-torque after running engine. |
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