Rotax 912 i series Service Manual

BRP-Rotax
MAINTENANCE MANUAL LINE
Instruction To replace the coolant the following steps are necessary:
Figure 7.14: Replacing the coolant TYPICAL
1
Attachment screw (stainless steel)
2
Gasket ring
3
Water pump
Step
Procedure
1 Open the radiator cap on the expansion tank.
2
Remove the bottom attachment screw (1) (with sealing ring (2) ) of water
pump (3).
3 Drain the engine coolant.
NOTE
If the radiator is located below the engine, also detach the lowest
positioned coolant hose.
4
Fit attachment screw (stainless steel) along with a new sealing ring. Tighten
to 10 Nm (89 in.lb).
5
If the coolant is being replaced with a different type, (OAT, IAT) the cooling
system must be flushed. See chapter 12-20-00 section Flushing the cooling
system.
6 Refill newly mixed coolant into the expansion tank (highest point of the cool-
ing system). See chapter 12-10-00 section Coolant check/replenish.
Effectivity: 912 i Series
Edition 2/Rev. 0
12–20–00
Page 25
September 01/2018

Rotax 912 i series Specifications

General

Number of Cylinders	4
Max Power	100 hp (73.5 kW)
Max Power Output RPM	5800 rpm
Ignition System	Dual electronic ignition
Oil System	Dry sump, forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
TBO	2000 hours
Engine Type	4-stroke, horizontally opposed
Displacement	1352 cm³
Bore x Stroke	84 mm x 61 mm
Max Torque	128 Nm
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Fuel System	Electronic fuel injection
Cooling System	Liquid/air-cooled