ROTAX Engines & Parts

B – Loctite 243

AR – As required

a – Supply to cylinder 1 and 2; b – Supply to cylinder 3 and 4; c – Discharge cylinder 1; d – As scrab-protector for version 3; e – Discharge cylinder 3; f – Discharge cylinder 2; g – Discharge cylinder 4; h – Sold by the meter (39"); i – Expansion tank for radiator installation above engine; j – See SI-912-020 + SI-914-022 current issue; k – See SB-914-043 current issue

AR – As required

a – Air guide, carburetor side;
b – Air guide, exhaust side

AR – As required

a – For E-starter position 93 or 183 degrees;
b – Air guide, carburetor side;
c – Air guide, exhaust side

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

I – Lithium-Base Grease
X – Adhesive

AR – As required

b – For mixture lubrication;
c – For oil pump version

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”)

I – Lithium-Base Grease
X – Adhesive

AR – As required

A – Loctite 221
B – Loctite 243
I – Lithium-Base Grease

a – For configuration without oil pump;
b – Sold by the meter (39");
c – From engine S/N 5,381.289

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

B – Loctite 243
L – Klueber Isoflex Topas Nb5051AR – As required

a – For cylinder 2 and 4;
b – From engine 912 UL S/N 4,401.595 up to 4,402.978, 914 UL S/N 4,417.708 up to 4,417.727;
c – From engine 912 UL S/N 4,402.979, 914 UL S/N 4,417.728;
d – Up to engine 912 UL S/N (Only if the engine was not refitted with intake manifolds 867683 and 867688) 4,402.978, 914 UL S/N 4,417.727;
e – Only at intake manifold without O-ring;
f – See following Service Bulletin SB-912-030 / current issue SB-914-019;
g – Not suitable for direct installation of the air filter on the carburetor. Forseen for airboxes without drip tray;
h – For rework of exhaust port. See Maintenance Manual Heavy of the respective engine type, current issue;
i – In a roll;
j – See Service Instruction SI-914-020 / current issue SI-914-022;
k – For cylinder 1 and 3;
l – Intake manifold with connection boss for pneumatic carburetor-synchronization. From engine 912 UL S/N 4,404.045, 912 ULS 4,426.475, 914 UL 4,417.956

L – Klueber Isoflex Topas Nb5051

a - See SB-914-023 current issue;
b – Wil be delivered in circle shape;
c – Standard starter 0.7 kW;
d – Washer, lock washer and hex. nut replaced by hex. collar nut

B – Loctite 243
C – Loctite 648
O – Engine Oil

E – Loctite Anti-Seize

AR – As required

a – Without hooks;
b – With hooks;
c – See also SI-2ST-002

AR – As required

a – Without hooks;
b – With hook;
c – For configuration with clamped after muffler;
d – For exhaust manifold;
e – For inlet cones;
f – See also SI-2ST-002;
g – No longer in production;
h – Replaced by Part No. 973546 + 973182
i – Replaced by Part No. 973546 + 973180, hooks have ot br ordered separately.

B – Loctite 243
I – Lithium-Base Grease

a – In a roll/Sold by the meter (39")

Ignition Cable Set 665668 replaces individual cable assemblies 665550, 665551, 665552, 665553, 665554, 665555, 665556, 665557