Genuine ROTAX Parts

a – Measure group "c" 1.830 - 1.839 mm, b – Measure group "C" 1.830 - 1.839 mm, c - Until crankcase SN 12.0122

a – Crankcase with screw connection M8x18, b – Marked with groove, c - See Overhaul Manual of the respective engine type, current issue.

A – Loctite 221
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 3,2 dm² (49,6 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90. Not used on 582-99;
f – Sold by the meter (39”)

B – Loctite 243
C – Loctite 648
L – Klueber Isoflex Topas Nb5051
O – Engine Oil
P – Loctite 5910

a – marked with S/N; 
b – Only for model 2 and 4; 
c – Tolerance group "C" 1.820 - 1.829 mm;
d – Tolerance group "D" 1.830 - 1.839 mm; 
e – Depending on configuration use 14 studs P/N 840752 M8x201 or 8 studs M8x201 and 6 studs P/N 840754 m8x210;
f – See Overhaul Manual of the respective engine type, current issue;
g – Only for use with new cylinders 913221 with countersunk. With the cylinder 913225 the countersunk was already introduced starting from beginning of the production;
h – See the following Service Instruction current issue SI-914-021.

A – Loctite 221
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 2,4 dm² (37.2 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90;
f – Sold by the meter (39")

B – Loctite 243
C – Loctite 648
L – Klueber Isoflex Topas Nb5051
O – Engine Oil
P – Loctite 5910

a – marked with S/N;
b – Only for model 2 and 4;
c – Tolerance group "C" 1.820 - 1.829 mm;
d – Tolerance group "D" 1.830 - 1.839 mm;
e – Depending on configuration use 14 studs P/N 840752 M8x201 or 8 studs M8x201 and 6 studs P/N 840754 m8x210;
f – See Overhaul Manual of the respective engine type, current issue;
g – Only for use with new cylinders 913221 with countersunk. With the cylinder 913225 the countersunk was already introduced starting from beginnng of the production;
h – See the following Service Instruction current issue SI-914-021;
i – Without O-Ring from S/N 06.0010 to 07.5000, 2x O-Ring starting with S/N 07.5001;
j – 431570 introduced as per engine S/N as follows: 912 UL S/N 06,770.893, 912 ULS S/N 06,781.191, 914 UL S/N 07,682.596;
k – Wrench size A/F 11

B – Loctite 243
C – Loctite 648
L – Klueber Isoflex Topas Nb5051
O – Engine Oil
P – Loctite 5910

a – Only for model 2 and 4;
b – Tolerance group "C" 1.820 - 1.829 mm;
c – Tolerance group "C" 1.830 - 1.839 mm;
d – See Overhaul Manual of the respective engine type, current issue

A – Loctite 221
B – Loctite 243
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 3,2 dm² (49,6 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90. Not used on 582-99;
f – Sold by the meter (39”)

B – Loctite 243

AR – As required

A – Loctite 221
B – Loctite 243
C – Loctite 648
D – Loctite 574
J – Molykote 44 Medium

c – Up to engine S/N 582 UL Mod. 90 4,172.691 (see also SI-08-1994);
d – From engine S/N 582 UL Mod. 90 4,172.692 (see also SI-08-1994)

A – Loctite 221
B – Loctite 243
C – Loctite 648
D – Loctite 574
O – Engine Oil

a – 582 UL DCDI mod. 99 rotary valve for configuration with rotary seal;
b – 582 UL DCDI mod. 99 the circlip must be positioned at the inner groove only;
e – Crankcase including rotary valve drive, configuration with rotary seal model 99