Genuine ROTAX 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

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

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

Positions 6-8 are non-certified parts.

a – See also Service Bulletin SB-912-028 / SB-914-016 current issue

B – Loctite 243
E – Loctite Anti-Seize 15378

AR – As required

e – For cylinder head;
f – For EGT sensor;
g – For exhaust gas temperature (EGT);
h – For thermo couple NiCr-Ni K;
i – Stainless, for EGT sensor;
j – With service reset button and USB-connector;
k – See Service Instruction SI-912-020 / SI-914-022 current issue

B – Loctite 243

AR – As required

a – Short version, marked with S/N;
b – Edition Diamond, marked with S/N;
c – See Service Instruction SI-912-020 / SI-914-022 current issue;
d – See Service Bulletin SB-912-039 / SB-914-029 current issue; e – See Service Bulletin SB-912-043 / SB-914-029 current issue;
f – Same outline dimensions and brackets as TNr. 995698, but with improved cooling performance (18% bigger cooling surface);
g – Use together with P/N 997083, for retrofit instead of radiator P/N 997082

C – Loctite 648
E – Loctite Anti-Seize 15378

a – Certified part;
b – 360° anular ring (torus-shaped)

B – Loctite 243

a – Note Service Instruction SI-912-005 current issue

L – Klueber Isoflex Topas Nb5051

a - Only for transport