Rotax 912-UL Repair Manual

12)
TFial
run
::
Carry out
trial run after every
engine
rcpair. Prior to enginc
start, study chapter
4,2,
"reinstallation
of
engine
into aircraft" and
"operating
instructions" in
your
manual. Never exceed speed
limit of 5800
rpm.
Pay special attention
to indication
on
instruments during
warming-up
perid,
observe engine
for
odd
noises and vibrations!
Prior to brake-run of engine
inspect
power plant
without
fail for
leaks
on
lubrication-, cooling-, and
fuel
systems.
.:'g6iigl:

Rotax 912-UL Specifications

General

Displacement	1211 cc
Bore x Stroke	79.5 mm x 61 mm
Compression Ratio	9.0:1
TBO (Time Between Overhaul)	2000 hours
Engine Type	4-cylinder, 4-stroke
Power Output	80 hp
Cooling System	Liquid/air-cooled
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Oil Capacity	3 liters
Fuel System	2 carburetors
Oil System	Dry sump forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
Max Continuous Power	75 hp (56 kW)