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Rotax 914 series Maintenance Manual

Rotax 914 series
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73-00-00
page 14
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02623
BRP-Rotax
Maintenance Manual
During idling and low-load operation of the engine, the throttle valve is closed to
such an extent that the airflow underneath the carburetor piston (2) no longer
forms a sufficient vacuum. The supply of fuel to the intake air is then effected
via the idling system, which consists of the idle jet (5) and the idling air jet (6).
As an aid for starting a cold engine, the BING constant depression carburetor
is provided with a rotary disc valve starting carburetor (17) using a Bowden
cable.
â–² WARNING: With the throttle lever not connected, the carburetor will remain
in full throttle position. See Fig. 73-7.
For this reason, never start the engine without first con-
necting the throttle lever.
full
throttle
00128
00035
18
17
17
Fig. 73-7
Fig. 73-8

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Rotax 914 series Specifications

General IconGeneral
Bore79.5 mm
Stroke61 mm
Compression Ratio9.0:1
Cooling SystemLiquid-cooled cylinder heads, air-cooled cylinders
Redline5800 rpm
Engine Type4-cylinder, 4-stroke
Fuel TypeAvgas 100LL
Oil SystemDry sump
Fuel Systemfuel injection
TBO (Time Between Overhauls)2000 hours
Displacement1.211 liters (1211 cc)
Power Output84.6 kW (115 hp) at 5, 800 rpm

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