Rotax 912 i series Installation Manual

d05783.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 2
72-00-00
Page 8
January 01/2014
2.2) Installation dimensions
Standard engi-
ne version
See Fig. 2 to Fig. 4.
NOTE: All dimensions from zero reference point (P).
2.3) Centre of gravity of engine and standard accessories
See Fig. 2 to Fig. 4.
NOTE: All dimensions from zero reference point (P).
2.4) Moments of inertia
See Fig. 2 to Fig. 4.
Standard engine version
Pos. (+) Neg. (-) Total
Max. dimension along x-
axis (mm)
8.5
(0.33 in.)
-656.6
(-25.85 in.)
665.1
(26.19 in.)
Max. dimension along y-
axis (mm)
288
(11.34 in.)
-288
(-11.34 in.)
576
(22.68 in.)
Max. dimension along z-
axis (mm)
247
(9.73 in.)
-311
(-12.24 in.)
531
(20.91 in.)
Standard en-
gine version
3
External
alternator
Hydraulic
governor
Centre of gravity on x-axis
(mm)
-327
(-12.87 in.)
-100
(-3.94 in.)
-276
(-10.87 in.)
Centre of gravity on y-axis
(mm)
-9 (-0.35 in.) 139
(5.47 in.)
0
Centre of gravity on z-axis
(mm)
-102
(-4.02 in.)
6 (0.24 in.) 56 (2.20 in.)
Engine version 2 Engine version 3
Moment of inertia around
axis x1-x1 (kg cm
2
)
20470 (48.576 lb ft
2
) 21210 (50.332 lb ft
2
)
Moment of inertia around
axis y1-y1 (kg cm
2
)
24560 (58.282 lb ft
2
) 25450 (60.394 lb ft
2
)
Moment of inertia around
axis z1-z1 (kg cm
2
)
26520 (62.933 lb ft
2
27480 (65.211 lb ft
2
)

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