Rotax 912 Series Service Instructions

d06322.fm
27 March 2017 12-10-00
page 10 of 11
Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.
SI-912 i-001R4
SI-912-016R9 / SI-914-019R9
SERVICE INSTRUCTION
1)
unleaded, mainly available in the Scandinavian area
2)
Fuels were verified as good at the time of our release.
We reject any liability if the fuel manufacturer changes the composition of the fuel.
NOTE: The Anti Knock 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 forms increased deposits in the combustion chamber and lead
sediments in the oil system.
AVGAS
leaded AVGAS 100 LL ASTM D910 AVGAS 100 LL ASTM D910
AVGAS 100 LL
ASTM D910
unleaded
UL91
ASTM D7547
UL91
ASTM D7547
released brand-name
2)
unleaded HJELMCO 91/96 UL
1)
HJELMCO 91/96 UL
1)
unleaded HJELMCO 91/98 UL
1)
HJELMCO 91/98 UL
1)
unleaded TOTAL AVGAS UL 91 TOTAL AVGAS UL 91 TOTAL AVGAS UL 91
Usage/Description
912 A/F/UL
Min. RON 90
912 S/ULS - 914 F/UL
Min. RON 95
912 iSc/iS Sport
Min. RON 95

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke