Genuine ROTAX Parts

a – For internal hex. screw;
b – To remove the gear cover;
c – To compress the dog gear;
d – For drive gear, I=2,00, I=2,24, I=2,58;
e – For oil seal 850055;
f – For gearbox configuration "B";
g – For oil seal 930715;
h – For oil seal 950085 and 950084;
i – For oil seal 933675;
j – To remove the layshaft gear; 
k – To remove the flywheel; 
l – For mounting the hardy disk;
m – For gearbox configuration "C";
n – For gearbox configuration "E"

a – For cylinder;
b – For cylinder exhaust flange;
c – For rotary valve shaft;
d – For ball bearing, rotary valve shaft;
e – For oil seal rotary valve shaft (wihout oil pump), intake side;
f – For oil seal rotary valve shaft (with oil pump), intake side;
g – For inner oil seal rotary valve shaft, water pump side;
h – For outer oil seal rotary valve shaft, water pump side;
i – To press in the rotary seal;
j – For rotary valve timing;
k – To pull out the rotary seal - the inner steel bushing of the rotary seal has to be removed before demounting!;
l – For fitting of piston pin circlip;
m – For fitting of piston pin circlip (monohook circlip);
q – To press in the rotary seal 850942 with the insertion jig

For Rotax 912iS, 912ULS, 912UL, 618, 503, 447, 377, 277

Previous part number 938-795

AR – As required

a – Brush not available as spare part, use brush holder assembly 866891

L – Klueber Isoflex Topas Nb5051

a - Only for transport

B – Loctite 243

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

C – Loctite 648
E – Loctite Anti-Seize 15378

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

a – For installation of cylinder on the piston 67.5 mm;
b – For installation of cylinder on the piston 72 mm;
c – To hold the fan;
d – For aligning of cylinders at the intake flange;
e – For crankshaft bearing PTO side;
f – For positioning of crankshaft bearing PTO side;
g – For centering of the stator plate;
h – For piston pin 18 mm;
i – For installation of piston pin circlip 18 mm;
j – For the engine;
k – Without ignition and externals

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

a – Useable for engine type 447 UL, 503 UL, 582 UL 90/99 and 618 UL;
b – For adjustment and control of the ignition timing;
c - To cover the crankcase;
d – To hold the oil pump gear;
e – To hold the magneto flywheel;
f – For magneto fly wheel;
g – For ball bearing 6206, crankshaft magneto side;
h – For ball bearing 6207, crankshaft;
i – For ring halves;
j – For puller;
k – For crankshaft PTO side;
l – For crankshaft magneto side;
m – For ball bearing

AR – As Required

AR – As required

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

A – Loctite 221
E – Anti-Seize
I – Lithium-Base Grease
O – Engine Oil

a – With 2 rings, Standard;
b – With 2 rings, 1st Oversize;
c – With 2 rings, 2nd Oversize;
d – Standard Size;
e - 1st Oversize;
f – 2nd Oversize;
g – ATTENTION: Use only once

A – Loctite 221
E – Anti-Seize
I – Lithium-Base Grease
O – Engine Oil

a – With 2 rings, standard;
b – With 2 rings, 1st oversize;
c – With 2 rings, 2nd oversize;
d – standard size;
e – 1st oversize;
f – 2nd oversize;
g – ATTENTION: Use only once!