Rotax 912-UL Repair Manual

7.6) Ignition
cover
Insert
Gring
5x2
(oil
duct
joint)
into
crankcase
and
put
guide
sleev
e
(
877 3 60
)
foroil
seal on crankshaft
Apply sealing
compound
LOCTITE
574 to sealing face
of ignition
cover
assembly
and
fit
cover
to crankcase
whilst
turning water
pump
shaft
to enable
engagement
of drive
gear.
Anach
coverwith
7 Allen
screws M6x30
and spring
washers
tocrankcase,
tighten
scrEws
O
10
Nm.
INOTE:
7.7) Electric
starter
Push
electric
starter
ass'y
(D
along with
O-rings
@ 4,7x1,4
and
distance
sleeves
@ intoignition
cover@. Take
care not
to
pull
starter
ass'y
apart whilst fitting.
Af-
ter
placing
shim
5,3/10/1,5
and
spring
washer
on studs
and
tightening M5 hex.
nuts
O, fix
starterwith
pre-shapedclamp
@ to ignition
cover.
7.8)
Water
pump
Always
use oil-seal
guide
s1eeve879360
when fining ignition
cover
to en-
gine,
thus keyway
in crankshaft
cannot
damage oil
seal
fined in
cover.
The Allen
screw I M6x30
posi
tioned directly
beside
the cable attachment
O has
to be
sealed,
using LOCTYIEzzl,since
tapped hole
is
open
to crankcase.
%
Fit
pump
impeller
O along with
beneath
placed
Tightening
torque 22
Nm
(195
in.lb).
washer
(D,
using special
spanner
877 290.
Place
gasket
into
position
and tighten
pump
hous-
ing
with
two
Allen
screws M6x90
and
Allen
screw
M6x35.
Check
gap
between impeller
and
pump
housing.
At
contact of impeller
on
housing,
find
cause and rectify.
Axial
position
of impeller
can be
corrected by
changing
thickness
of washer
(l}.
Fit
water inlet
manifold
along with
O-ring
29,87xt,78.
57':,:',':l)92

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)