ROTAX Engines & Parts

a - Double flange, b - Air filter incl. hose clamp, c - Ambient pressure and temperature

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.

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

B – Loctite 243
N – BP Energrease LZ

a – Red 76,00 - 76,01mm, Green 76,01 - 76,02 mm;
d – For configuration with and without 2-piece radiator

B – Loctite 243

a – For cylinder 1/3;
b – For cylinder 2/4;
c – Carburetor housing not available as spare part. Use carburetor assembly; 
d – Refer to service instruction SI-03-1998 current issue;
e – With clearance for O-ring (use only together with O-ring pos. 16 P/N 950430);
f – See SI-912-012, SI-914-014 current issue;
g – For airbox P/N 667167, See SI-914-015 current issue, For engine S/N 914 UL 4,418.634;
h – For airbox P/N 867753 or 667162, See SI-914-013 and SI-914-002 current issue;
i – Package including two floats;
j – At carburetor 1/3 only 1 piece;
k – Contain parts requirement for 2 carburetors

Q – 732 RTV

AR – As required

a – Use at 582 UL mod. 90;
b – Use at 582 UL mod. 99;
c – Not available as spare part, use 881460

B – Loctite 243
I - Lithium-Base Grease
AG – Silicon Heat Compound

a – Sold by the meter (39");
e – Not necessary at intake manifold P/N 867688;
f – Introduced as S/N 04.0388 with altered insulation only for spare parts;
g – Not suitable for crankcase P/N 886354, P/N 886358 and older;
h – At crankcase P/N 888364 or newer crankcase;
i – Not suitable for intake manifold P/N 867688;
j – Necessary at version with ring mount;
k – Sold by the meter (39");
l – Use P/N 842742 and 953390 only together;
m – SI-912-013 / SI-914-016 current issue. See Maintenance Manual Heavy of the respective engine type, current issue. From engine 912 UL S/N 4,406.291, 912 ULS S/N 5,643.680, 914 UL 4,418.712;
n - In a roll, silicone hose 120 mm;
o – SI-912-020 / SI-914-022 current issue;
p – 1x lock washer A6 P/N 945751 is not needed after production-year 2010 on position between the bracket 2 P/N 851267 and the hex nut M6

AR – As Required 

a – break away torque 700-900 Nm/516.2 ft.lb - 663.8 ft.lb., b – break away torque 600-800 Nm/442.5 ft.lb - 590 ft.lb.

B – Loctite 243
C – Loctite 648

AR – As required

c – Cooling area 234 cm² / 36.27 sq. in.;
e – UNF connections

a - Width A/F 1, b - From 912 iS engine S/N 4417400 up to engine S/N up to 4417400, c - Width A/F 13

A – Loctite 221
B – Loctite 243
C - Loctite 648

c – Tighten to leave 1mm distance between starter cover and electric starter

a – Marked with S/N

AR – As required

a – For specific use see installation sheet;
b – Use at intake silencer version;
c – For 582 UL mod. 90 without fresh oil injection;
d – With fresh oil injection

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

L – Klueber Isoflex Topas Nb5051
O – Engine Oil

a – For gear sets P/N 886125, 886517; thin dog gear (22 mm / 0.87 in.)
b – For gear set P/N 886518; wide dog gear (27 mm / 1.06 in.)
c – With additional bores to drain lead
d – Option for 912 UL fitted with 2,43 gear set

C – Loctite 638
L – Klueber Isoflex Topas Nb5051
O – Engine Oil

AR – As required

a – For cylinder 2 and 3;
b – For cylinder 1 and 4;
c – Up to engine S/N 912 UL: 4,401.879, 914 UL: 4,417.597, single valve springs and double valve springs if required are allowed to be mounted in one engine;  
d – From engine S/N 912 UL: 4,401.880, 914 UL: 4,417.598;
e – With sintered bronze bushing;
f – Oversize +0.2 mm (0.008 in.);
g – Rocker arm version with vespel bushing, from engine S/N 912 UL: 4,404.621, 912 ULS: 4,427.487, 914 UL: 4,418.104;
h – For inlet valve, chafe up to new measurement;
i –  For outlet valve, chafe up to new measurement;
j – Use only once!;
k – For rework of exhaust port. See Overhaul Manual of the respective engine type, current issue;
l – Marked with S/N;
m – Without worm gear;
n – Prefilled, 8 parts per set;
o – Cylinder heads where the coolant temperature is measured.
p – see SI-914-30

B – Loctite 243

a – Marked with S/N;
b – Only for TCU P/N 966470;
c – For cylinder 2/4;
d – For cylinder 1/3;
e – Used as water trap;
f – Also included in carburetor for 914 Cyl. 2/4;
g – Drip tray for airbox P/N 867758, 667162 and 667167;
h – For use of airbox P/N 667162. See SI-914-013 current issue;
i – For use of airbox P/N 667167, See SI-914-015 current issue;
j – For use of airbox P/N 867753;
k – New adapter flange use only together with throttle valve position sensor. See SI-25-1997;
l – See Service Instruction SI-914-022 current issue;
m – Optional for fuel pressure gauge connection;
n – Not for TCU P/N 966470

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

a – Stator retrofit kits: 912 UL: S/N 3,792.501 up to 3,792.55 Set D P/N 888716, S/N 4,005.300 up to 4,152.111 Set E P/N 888718, S/N 3,792.556 up to 4,005.299, Set C P/N 888714; S/N 4,152.112 up to 4,403.282 Set B P/N 888712; 912 ULS: S/N 4,425.001 up to 4,425.029 Set A P/N 888710; 914 UL: S/N 4,417.503 up to 4,417.783 Set B S/N 888712;
b – With modified trigger, instead of 4° before top dead center --> -3° after top dead center;
c – SI-912-013 / SI-914-016 standardization of the ignition unit;
d – Trigger coil kit with elongated hole for adjustment and 6-pole connector incl. 7 Stk. P/N 827800;
e – 4-pole connector and trigger coils without alignment incl. 7 Stk. P/N 827800. Replaced trigger coil kit P/N 965177;
f – Trigger coils for rev. counter to P/N 965176 and P/N 965179;
g – At all trigger coils with longhole