vmr2016-417-002_a
2. Remove Oetiker clamps.
vmr2016-417-003_a
3. Remove the thermostat and its housing as a
unit.
Testi
n
g the Thermostat
To check thermostat, put it in water and heat the
water.
THERMOSTAT OPENING TEMPERATURE
STARTS TO OPEN
FULLY OPEN
65°C (149°F)
75°C (167°F)
Replace thermostat (with its housing for 850 and
1000R engines) if it does not begin to open at
specified temperature.
Check if gasket is brittle, hard or damaged. If so,
replace gasket.
I
n
stalli
n
g the Thermostat
The installation is the reverse of the removal pro-
cedure. However, pay attention to the following.
570 Engine
TIGHTENING TORQUE
Thermostat cover
retaining screws
6 N•m ± 0.7 N•m
(53 lbf•
in
± 6 lbf•
in
)
+
LOCTITE 243 (BLUE)
(P/N 293 800 060)
850 and 1000R Engines
Install
NEW
Oetiker clamps.
All Engines
Refill and bleed cooling system, refer to
PERI-
ODIC MAINTENANCE PROCEDURES
subsec-
tion.
Check cooling system for leaks.
RADIATOR
I
n
specti
n
g the Radiator
Check radiator fins for clogging or damage.
Remove insects, mud or other obstructions with
compressed air or low pressure water.
Removi
n
g the Radiator
1. Drain engine coolant.
Refer to
PERIODIC
MAINTENANCE PROCEDURES
subsection.
2. Remove front body module. Refer to
BODY
subsection.
3. Disconnect radiator and fan assembly.
vmr2015-029-102_a
1. Radiator hoses
vmr2016-417
7