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Rotax 912 i series Service Manual

Rotax 912 i series
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BRP-Rotax
MAINTENANCE MANUAL LINE
Disassembly At disassembly of the engine, mark the components as necessary to avoid any mix-up.
Take care of these marks, don’t ruin them.
Tool
ATTENTION
In order to avoid mechanical damage, always loosen or tighten screws and nuts
with specified tools.
Safety wiring
ATTENTION
If during disassembling/reassembling the removal of a safety item (e.g. safety
wiring, self-locking fastener, etc.) should be necessary, it must always be re-
placed by a new one.
Cleaning of parts
ATTENTION
All metal and synthetic parts should be cleaned with suitable cleaning agents.
Before using new and unknown cleaning agents, check their compatibility with
the materials they are being used on.
Removed parts Before re-using disassembled parts, clean, check and refit them as per instructions.
Use clean screws and nuts. Always inspect the contact face and thread for damage. If un-
sure, use new parts.
Self-securing
nuts
Once loosened, always replace self-securing nuts.
m WARNING
Non-compliance can result in serious injuries or death!
Exactly observe the tightening torques for screws and nuts. Overtightening or a connec-
tion which is too loose could cause serious engine damage.
Sealing rings, O-
rings
At reassembly of the engine, replace all sealing rings, gaskets, securing elements, O-rings
and oil seals.
Re-assembly Before re-assembly check components for missing parts. Only use adhesives, lubricants,
cleaning agents and solvents indicated in the maintenance instructions. Failure to comply
may result in damage.
Effectivity: 912 i Series
Edition 2/Rev. 0
05–00–00
Page 5
September 01/2018

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Rotax 912 i series Specifications

General IconGeneral
Number of Cylinders4
Max Power100 hp (73.5 kW)
Max Power Output RPM5800 rpm
Ignition SystemDual electronic ignition
Oil SystemDry sump, forced lubrication with separate oil tank
Reduction Gear Ratio2.43:1
TBO2000 hours
Engine Type4-stroke, horizontally opposed
Displacement1352 cm³
Bore x Stroke84 mm x 61 mm
Max Torque128 Nm
Fuel TypeAvgas 100LL or unleaded automotive gasoline
Fuel SystemElectronic fuel injection
Cooling SystemLiquid/air-cooled

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