Genuine ROTAX Parts

AR – As required

B – Loctite 243
E – Anti-Seize
I – Lithium-Base Grease
O – Engine Oil

a – From engine S/N 582 UL Mod. 90 5,236.549 piston for monohook circlip configuration (see also SI-2ST-001);
b – With 2 rings, standard;
c – With 2 rings, 1st oversize;
d – with 2 rings, 2nd oversize;
e – Standard size;
f – 1st oversize;
g – 2nd oversize; 
h – For use with piston Part No. 888 590 (Also see SI-2ST-001);
i – Use only once

A – Loctite 221
C – Loctite 648
E – Loctite Anti-Seize
H – Loctite 603
I – Lithium-Base Grease
Q – 732 RTV

AR – As required

a – Replace layshift gear 55 T and pinion shaft 21 T only together;
b – Replace layshift gear 57 T and pinion shaft 19 T only together;
c – Replace layshift gear 59 T and pinion shaft 17 T only together;
d – Replace layshift gear 60 T and pinion shaft 15 T only together;
e – Attention: Left handed thread;
f – Coupling-flange Part No. 958 971 and sealing ring Part No. 950 084 has to be used as a set;
h – Gear set and splitted cone sleeve must be used together;
|| – NOTE: Included starter relay;
See also SI-2ST-007

A – Loctite 221
D – Loctite 574

a – From engine serial number 4,795.397

A: Loctite 221
L: Molykote PG-54
M: Molykote G-N

AR – As required

d – Starter Rope 3700 mm;
e – Starter Rope 2200 mm;
f – In a roll/sold per meter (39”);
g – Modified rope fixation, knot instead of key clamp (from S/N 5.742.150)

447 UL – 29.5 kW
503 UL – 34 kW
582 UL

a – Base carburetor for air-cooled engines with bowden cable choke. NOTICE carburetor without calibration. From engine S/N 447 UL: 3,940.675, 503 UL: 4,795.201;
b – Base carburetor for liquid cooled engines with bowden cable choke. NOTICE carburetor without calibration; From engine S/N 582 UL Mod. 90: 4,656.088, 582 UL mod. 99: starting with serial production;
c – Carburetor housing, not available as spare part, use carburetor assy.;
d – Jet-needle, see carburetor calibration sheet;
e – Idle-jet, see carburetor calibration sheet;
f – Needle-jet, see carburetor calibration sheet;
g – Main-jet, see carburetor calibration sheet;
h – Only necessary on high altitude compensation kit (not available anymore)

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
I – Lithium-Base Grease

a – For configuration free-air-cooled;
b – In a roll/Sold per meter (39");
c –  For magneto flywheel new version (with closed cage), Torx screw also valid for old version. At disassembly and reassembly of the screw, the thread has to be cleaned of the remaining coating and secure with Loctite 221. As an alternative a new screw can be used.

AR – As required

a – Bushing not available as spare part, use drive housing assy. 866880;
b – End frame with sleeve, not available as spare part, use end frame assy. 866900;
c – Bushing, not available as spare part, use drive housing assy. 866900;
d – brush, not available as spare part, use brush holder assy. 866890;
e – Spring, not available as spare part, use brush holder assy. 866890.

A – Loctite 221
I – Lithium-Base Grease

a – For ignition circuit 1;
b – For ignition circuit 2;
c – From engine S/N 4,795.397;
d – Sold by the meter (39");
e – Magneto flywheel new version (with closed cage), torx screw also valid for old version. At disassembly and reassembly of the screw, the thread has to be cleaned of the remaining coating and secured with Loctite 221. As an alternative a new screw can be used.