Rotax 912 i series Service Instructions

03 July 2019 Current valid documentation see: 76-10-00
Initial Issue www.flyrotax.com
Page 1 of 18
Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
d06703.fm
SI-912 i-024
SI-915 i-006
SERVICE INSTRUCTION
Introduction of a new connector for regulator B for ROTAX
®
Engine Type 912 i, 915 i A and 915 i B (Series)
ATA System: 76-10-00 Fuse Box
1) Planning information
To obtain satisfactory results, procedures specified in this publication must be accomplished with
accepted methods in accordance with prevailing legal regulations.
BRP-Rotax GmbH & Co KG cannot accept any responsibility for the quality of work performed in
accomplishing the requirements of this publication.
1.1) Applicability
All versions of ROTAX
®
engine types:
NOTE: On engines with S/N higher than the ranges listed above, new style connector has
already been fitted in serial production.
NOTE: On engines with S/N lower than the ranges listed above, the regulator B or stator assy.
connections can be modified for exchange or repair of the relevant component. The
modifications on the rectifier regulator B can be performed at a maintenance, repair or
operation (MRO) event as per section 3.
NOTE: It is NOT mandatory to retrofit engines with old style regulator B and stator connector.
1.2) Concurrent ASB/SB/SI and SL
In addition to this Service Instruction the following Service Bulletin/Service Instruction must be
observed and complied with:
Service Bulletin-SB-912 i-006, title “Exchange of stator assy.“, current issue.
Service Instruction-SI-912 i-004, title “Replacement of regulator A and regulator B“, current issue.
1.3) Reason
In the course of further development and standardization, a new connector for rectifier regulator B
has been introduced. The new connector allows higher current draw.
1.4) Subject
Introduction of a new connector for regulator B for ROTAX
®
Engine Type 912 i, 915 i A and
915 i B (Series).
1.5) Compliance
NONE - For Information Only.
1.6) Approval
The technical content of this document is approved under the authority of DOA ref.
EASA.21J.048.
Engine type Serial number
912 i Series
optional
915 iSc A
from S/N 9127323
915 iS A
from S/N 9132300
915 iSc B
from S/N 9122524

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