ROTAX Engines & Parts

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

a - Thread 3/4-16 UNF for oil filter 3 mm extended, Introduced as per following engine 912 UL 4,407.160, 912 ULS 5,644.742, 914 UL 4,419.026;
b – With optimized spring routing;
c – see SI-912-020/914-022

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
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

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

A – For version 2 with narrow dog gear (22 mm / 0.87 in.)
B – For version 3 with narrow dog gear (22 mm / 0.87 in.)
C – For version 4 with narrow dog gear (22 mm / 0.87 in.)
D – For version 2 with wide dog gear (27 mm / 1.06 in.); For 914 use only from following engine S/N 914 UL: 4,417.791
E – For version 3 with wide dog gear (27 mm / 1.06 in.); For 914 use only from following engine S/N 914 UL: 4,417.791
F – For version 4 with wide dog gear (27 mm / 1.06 in.); For 914 use only from following engine S/N 914 UL: 4,417.791
G – Replacement for 887701 with wide dog gear
H – Replacement for 887706 with wide dog gear
I – Replacement for 887711 with wide dog gear
J – Replacement for 887680 with wide dog gear
K – Replacement for 888565 with wide dog gear

a – Drive gear 22 T. and reduction gear 50 T. are paired and must be replaced together and marked with S/N. See SL-912-002 resp. SL-914-002.
b – Drive gear 21 T and reduction gear 51 T. are paired and must be replaced together and marked with S/N. With wide dog (27 mm / 1.06 in.); See SL-912-002 respr. SL-914-002; For 914 use only from following engine S/N: 912 ULS starting with serial production, 914 UL: 4,417.791
c – For model 2 marked with S/N
d – For model 3 marked with S/N
e – For model 4 marked with S/N
f – For gear sets P/N 886125 and 886517 (narrow versions)
g– For gear set P/N 886518 (wide version)
h – Drive gear 21 T. and reduction gear 51 T. are paired and must be replaced together and marked with S/N. With thin dog gear (22 mm / 0.87 in.); See SL-912-002 resp. SL-914-002; For 914 use only up to S/N 914 UL: 4,417.790
i – Do not use at version with auxiliary alternator; only available as a set (includes 6 pieces)
j – Only when a governor is used
k – Version without governor: 2x940.591; with governor: see chapter 61.20.00
l – Dog hub with extended hub
m – With additional bores to drain lead
n – Increased support bearing diameter
o – See SL-912-002 current issue

F – Loctite 7063
L – Klueber Isoflex Topas Nb5051
O – Engine Oil
Z – Loctite 603

e – At 912 ULS the complete  piston with rings has to be exchanged up to S/N 4,425.123;
f – With countersunk for O-ring 830415. 912 UL: 4,403.679, 912 ULS: Starting with serial production, 914 UL: 4,417.868;
g – Note following Service Letter: SL-912-002 current issue, SL-914-002 current issue,
h – With expanded space of sprag clutch. Introduced as per following engine S/N 912 UL: 4,409.089, 912 ULS: 5,650.835, 914 UL: 6,772.727;
i - Balanced pistons set: max. difference 3 g

A – Loctite 221
C – Loctite 648
I – Lithium-Base Grease

a – From engine S/N 582 UL DCDI mod. 90: 4,015.239, 582 UL DCDI mod. 99: at serial production;
b – For ignition circuit 1;
c – For ignition circuit 2;
d – Up to engine S/N 582 UL DCDI mod. 90: 4,015.238;
e – From engine S/N 582 UL DCDI mod. 90: 4,015.239, 582 UL DCDI mod. 99: at serial production;
f – Sold by the meter (39");
g – Without rewind starter

B – Loctite 243

a – Marked with S/N. Inclusive suction and pressure line;
b – Marked with S/N;
c – With fuel pressure gauge connection, At conversion from 956312 to 956602 remove jet 963820 from banjo bolt;
d – Marked with yellow dot;
e – Drip tray for airbox P/N 867758, 667162 and 667167,
f – Drip tray for airbox P/N 867758,
g – For retrofitting see Service Bulletin SB-912-044 current issue;
h – Optional with connection flexible fuel lines;
i – See SI 912-020 current issue;
j – For steel pipe

A – Loctite 221
C – Loctite 648
E – Loctite Anti-Seize
I – Lithium-Base Grease

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 oil-seal Part No. 950 084 has to be used together;
h – Gear set and splitted cone sleeve 847 757 must be used together. Also see SI-2ST-007

A – Loctite 221
D – Loctite 574

C – Loctite 648
E – Loctite Anti-Seize 15378

a – Marked with S/N;
b – Stainless;
c – In a roll, Tube 125 mm (4.92  in.);
d – With imprinting "oil";
e – See Service Instruction SI-914-022 current issue;
f – With additional internal bracket from engine S/N 914F 4,420.437;
g – With lubricaiton hole for waste gate shaft

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