Coolant Capacity - Rotax 912 i Series Installation Manual

The flow rate in the coolant circuit is approx. 60 l/min (15.85 USgal/min.) at
Flow rate
5800 rpm. At full throttle, an approximate value of around 0.75 m
(28.59 cu.ft/sec) can be assumed for the required cooling air flow.
The flow resistance of the coolant in the optional ROTAX radiator is cor-
Flow resistance
rectly adjusted for the cooling system.
If using other radiators, check the flow rate and cooling capacity.
No provision has been made for attachment of the radiator(s) on the
Installation of
the radiator
engine (rubber mounts are recommended).
4.1)

Coolant capacity

4 cylinder heads......................................... 560 cm
Coolant pump............................................. 100 cm
Expansion tank .......................................... 250 cm
2 m coolant hose (inner
Total coolant quantity for engine................ approx. 1.5 l (0.4 USgal)
Effectivity: 912 i Series
Edition 1/Rev. 2
BRP-Powertrain
INSTALLATION MANUAL
The radiator must be installed without distortion or
NOTICE
WARNUNG
stress and be free of vibrations. If a GENUINE
ROTAX radiator is not being installed, ensure suffi-
cient cooling capacity.
Ø
18 mm) ............. 500 cm
3 /s
3
(0.02 cu.ft)
3
(0.004 cu.ft)
3
(0.008 cu.ft)
3
(0.018 cu.ft)
75-00-00
Page 18
January 01/2014