Genuine ROTAX Parts

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.

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

B – Loctite 243
C – Loctite 648

AR – As required

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

a – Marked with S/N

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

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

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

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