Snowmobile Polaris 600 RUSH (2010 year). Instruction - part 23

3.42

Engine/Cooling/Exhaust

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

2010 600 RUSH Cooling System

NOTE: When the thermostat is closed, engine 
coolant is bypassed back to the surge bottle.




When the thermostat is open, the bypass circuit is 
closed. Engine coolant is routed to the front heat 
exchanger, front tunnel cooler, and rear tunnel cooler.




Thermostat opening temperature is 120° F (49° C).

REAR TUNNEL COOLER 

FRONT TUNNEL COOLER 

SURGE BOTTLE

HOSE (TEE-TO-HEAT EXCHANGER) 

HEAT EXCHANGER 

HOSE (BYPASS-TO-SURGE TANK) 

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

BYPASS CIRCUIT ONLY ACTIVE WHEN THERMOSTAT IS CLOSED
FRONT EXCHANGER, FRONT TUNNEL COOLER, AND REAR TUNNEL COOLER CIRCUITS ACTIVE WHEN THERMOSTAT IS OPEN 

WATER PUMP COVER 

BARBED NOZZLE 

3.43

Engine/Cooling/Exhaust

3

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

2011 600 RUSH Cooling System

NOTE: When the thermostat is closed, engine 
coolant is bypassed back to the surge bottle.




When the thermostat is open, the bypass circuit is 
closed. Engine coolant is routed to the front heat 
exchanger, front tunnel cooler, tunnel cooler, and 
mid-flap coolers.




Thermostat opening temperature is 120° F (49° C).

REAR TUNNEL COOLER 

FRONT TUNNEL COOLER 

SURGE BOTTLE

HOSE (TEE-TO-HEAT EXCHANGER) 

HEAT EXCHANGER 

HOSE (BYPASS-TO-SURGE TANK) 

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

BYPASS CIRCUIT ONLY ACTIVE WHEN THERMOSTAT IS CLOSED
FRONT EXCHANGER, FRONT TUNNEL COOLER, AND REAR TUNNEL COOLER CIRCUITS ACTIVE WHEN THERMOSTAT IS OPEN 

WATER PUMP COVER 

BARBED NOZZLE 

MID FLAP COOLER 

3.44

Engine/Cooling/Exhaust

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

2011 800 RUSH Cooling System

NOTE: Front heat exchanger circuit always active. 
Front tunnel cooler, tunnel cooler, and mid-flap cooler 
only active when thermostat is open.




Models feature 2mm thermostat bleed hole.




Thermostat opening temperature is 120° F (49° C).

REAR TUNNEL COOLER 

FRONT TUNNEL COOLER 

SURGE BOTTLE

HOSE (CYLINDER BYPASS

HEAT EXCHANGER 

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

WATER PUMP COVER 

BARBED NOZZLE 

-TO-HEAT EXCHANGER) 

HOSE (THERMOSTAT OUTLET-TO REAR COOLERS)

MID FLAP COOLER 

3.45

Engine/Cooling/Exhaust

3

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

2012 600 RUSH/Switchback Cooling System

NOTE: When the thermostat is closed, engine 
coolant is bypassed back to the surge bottle.




When the thermostat is open, the bypass circuit is 
closed. Engine coolant is routed to the front heat 
exchanger, front tunnel cooler, tunnel coolers, and 
mid-flap coolers.




Thermostat opening temperature is 120° F (49° C).

WEAR STRIPCOOLERS 

FRONT TUNNEL COOLER 

SURGE BOTTLE

HOSE (TEE-TO-HEAT EXCHANGER) 

HEAT EXCHANGER 

HOSE (BYPASS-TO-SURGE TANK) 

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

BYPASS CIRCUIT ONLY ACTIVE WHEN THERMOSTAT IS CLOSED
FRONT EXCHANGER, FRONT TUNNEL COOLER, AND REAR TUNNEL COOLER CIRCUITS ACTIVE WHEN THERMOSTAT IS OPEN 

WATER PUMP COVER 

BARBED NOZZLE 

MID FLAP COOLER