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20 December 2017

Current valid documentation see:

12-10-00

www.FLYROTAX.com

page 1 of 13

Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.

d06

525.fm

SI-912 i-001R5 / SI-915 i-001
SI-912-016R10 / SI-914-019R10

This SI revises SI-912 i001R4/SI-912-016R9 and SI-914-019R9 dated 27 March 2017

SERVICE INSTRUCTION

Selection of suitable operating fluids for ROTAX

®

 Engine 

Type 912 i, 915 i, 912 and 914 (Series)

ATA System: 12-10-00 Operating fluids

1) Planning information

To obtain satisfactory results, procedures specified in this publication must be accomplished with 
accepted methods and 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 engines of type:

1.2) Concurrent ASB/SB/SI and SL

None.

1.3) Reason

Introduction of the new engine type 915 i Series. Change of GAZPROM B-92 and B-92/115 from 
Mogas to the aviation fuels.

1.4) Subject

Selection of suitable operating fluids for ROTAX

®

 engine type 912 i, 915 i, 912 and 914 (Series).

1.5) Compliance

According Maintenance Manual of engine type ROTAX

®

 912 i, 915 i, 912 and 914 (Series), 

current issue.

1.6) Approval

The technical content of this document is approved under the authority of DOA ref. 
EASA.21J.048.

1.7) Labor time

None.

1.8) Mass data

Change of weight - - - none.

Moment of inertia - - - unaffected.

1.9) Electrical load data

No change.

Engine type

Serial number

912 i (Series)

all

915 i (Series)

all

912 (Series)

all

914 (Series)

all

m

WARNUNG

m

WARNING

Non-compliance with these instructions could result in engine damag-
es, personal injuries or death

Summary of Contents for 912 i series

Page 1: ...mplishing the requirements of this publication 1 1 Applicability All engines of type 1 2 Concurrent ASB SB SI and SL None 1 3 Reason Introduction of the new engine type 915 i Series Change of GAZPROM...

Page 2: ...ue of Operators Manual OM Installation Manual IM Maintenance Manual MM NOTE The status of the Manuals can be determined by checking the table of amendments The 1st column of this table shows the revis...

Page 3: ...of additives Insufficient oil flow capability causes too much volume to remain in the engine leading to low oil level in the external oil tank This can only be detected during testing with an oil lev...

Page 4: ...onsent NOTE The previous formulation of AeroShell Oil Sport Plus 4 can still be used until its expiration date NOTE The coefficient of viscosity indicates the tendency of oil to flow but it is not nec...

Page 5: ...our ROTAX engine types 912 i 915 i 912 and 914 Series 1 according to RON 424 2 with new formulation 3 in red bottle Specification RON 424 The ROTAX Norm 424 RON 424 is a BRP Rotax internal standard wh...

Page 6: ...santin in a 50 50 proportion mixture can boil at a temperature as low as 120 C 248 F Refer to the current Installation Manual for more information and instructions NOTE Coolant should be a low silicat...

Page 7: ...for servicing the cooling system a conventional cool ant based on pure 100 ethylene glycol can be used temporarily However the coolant must be replaced again with EVANS within the next 15 days SHELL A...

Page 8: ...lycol It should be only a temporary measure Using the concentrate over time would cause the additives to drop out and possibly block cooling system passageways If true 100 pure ethylene glycol were us...

Page 9: ...en tested by BRP Rotax and are not permitted for use 5 1 2 Suitability of fuel system components of airframe BRP Rotax urges owners to confirm with their airframe manufacturer that ethanol blended fue...

Page 10: ...912 S ULS 914 F UL Min RON 95 MOGAS European standard EN 228 Normal EN 228 Super EN 228 Super EN 228 Super plus EN 228 Super plus Canadian standard CAN CGSB 3 5 Qualit t 1 CAN CGSB 3 5 Qualit t 3 Rus...

Page 11: ...547 UL91 ASTM D7547 released brand name2 GAZPROM B 92 GAZPROM B 92 GAZPROM B 92 115 GAZPROM B 92 115 unleaded HJELMCO 91 96 UL 1 HJELMCO 91 96 UL 1 unleaded HJELMCO 91 98 UL1 HJELMCO 91 98 UL1 unleade...

Page 12: ...Index AKI is valid for fuels according to ASTM D4814 and for fuels which are defined by AKI instead of RON NOTE AVGAS 100LL places greater stress on the valve seats due to its high lead content and fo...

Page 13: ...e engine mis sion profile it may be necessary to increase the frequency of oil changes to avoid the excessive build up of lead and other residues in the engine oil Always adjust the engine oil change...

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