Rotax 912-UL Repair Manual

Remove
old oitsseal and rotary
seal,
utilizing two
pins
5 mm
(O,Zin.)
O
O
and suitable
punch
9.
Renew
oil- and
rotary seal. Inspect water
pump
shaft
for wear,
renew
as
required.
6.11)
Fitting
of the
rotary
seal
and
water
pump
Press
new
oil seal 0 12x30x7,
pre-oiled
sealing
lip
pointing
inwards, into ignition
cover using
punch
O 876
5/
0.
Carefully
press
rotary
seal9 on waterpump
shaft Ousing&77
520
@ as
positive
stop.

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)