Rotax 912 i Series Maintenance Manual page 121

Firing order 1-4-2-3
Spark plugs 12 mm, DCPR8E
Electrode gap See section 74-00-00
Integrated generator Permanent magnet single-
phase generator
Rectifier regulator 12 V 20 A DC
External generator Full-wave rectifier with 12 V
(optional extra) 40 A DC serial regulator
Fuel pumps 2 electric fuel pumps
Starter Electric starter, 12 V/0.8 kW
Propeller gearbox Integrated gearbox with
mechanical vibration damping
and overload clutch
Gear transmission 2.43
SERIAL AND PART NO.
The parts are labelled with serial and part num-
bers.
If additional parts are purchased, part
NOTE:
of the serial and part numbering of the
aeronautical equipment manufactu-
rer is included.
SERIAL NUMBER
The number system for the serial number con-
sists of a two-digit number block and a four-digit
number block with a point separating them.
The first number block of the serial number indi-
cates the year of manufacture, the second is a
consecutive number.
e.g. serial number
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
PART NO.
The part number consists of a simple six-digit
number block.
This number block is a consecutive number.
e.g. part no.
ENGINE COMPONENTS, ENGINE VIEWS,
CYLINDER DESIGNATION AND DEFINITI-
ON OF MAIN AXES
PTO
MS
A
P
x, y, z
Cyl. 1
Cyl. 2
Cyl. 3
Cyl. 4
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Power take off side
Magneto side
Suspension point (for transport)
Center of gravity
Zero reference point (starting point for all
dimensions)
NOTE: Allow ± 1 mm on all stated di-
mensions as manufacturing
tolerance.
Coordinate system axes
Cylinder 1
Cylinder 2
Cylinder 3
Cylinder 4
71-00-00
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July 01/2012