BRP-Rotax
INSTALLATION MANUAL
COOLANT HOSES
NOTE
For proper operation short hoses should be used.
Aluminium tubes with an inner diameter of 25 mm (0.98 in) can be used instead of longer
hoses. These should have a bulge (1) in order to prevent coolant hoses working loose.
Note as well that this will double the number of hose clips required.
The material of the hoses must be resistant against glycol, coolant and ozone.
Interface Parameter
Min. Max.
Temperature resistance
125 °C (257 °F)
Pressure durability
5 bar (72 psi)
Inner diameter
25 mm (1”)
Bending radius
175 mm (6.89 in)
Figure 8.12: Aluminium tube
Hoses Hoses exposed to direct heat radiation from exhaust system must be suitably protected
with e.g. heat resistant protection tubes.
The hose between the overflow bottle and the expansion tank should be as short as
possible.
COOLANT
NOTICE
Use only coolant as recommended in the current Operators Manual (OM) and SI-
916 i-001 “Selection of suitable operation fluids“, current issue.
Effectivity: 916 i A / C24
Edition 0/Rev. 1
75–00–00
Page 13
December 01 2023
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