2-Stroke Parts 447, 503, 582

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
B – Loctite 243
C - Loctite 648

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

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

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
L: Molykote PG-54
M: Molykote G-N

AR – As required

a – Starter rope 1700 mm;
d – Starter Rrope 3700 mm;
f – In a roll/sold per meter (39”)

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

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

a – From engine S/N 582 UL Mod. 90: 4,015.239. and beginning of serial production 582 UL Mod 99;
c – Tighten to leave 1 mm distance between starter cover and electric starter;
d – 582 UL Mod. 90 until engine S/N 4.015.238 (without hydro damper assembly)

AR – As required

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
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)

B – Loctite 242
F – Loctite 380
I – Lithium-Base Grease

AR – As required

a – For ignition circuit 1, b – For ignition circuit 2, c – To fix oil tube resp. cable harness, d – In a roll/sold per meter (39")

A – Loctite 221
B – Loctite 243
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 3,2 dm² (49,6 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90. Not used on 582-99;
f – Sold by the meter (39”)

A – Loctite 221
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 2,4 dm² (37.2 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90;
f – Sold by the meter (39")

A – Loctite 221
Q – Silastic 732 RTV

AR – As required

a – Cooling surface 3,2 dm² (49,6 in²);
b – From engine S/N: 3,916.823;
c – Up to engine S/N: 4,916.822;
d – For evacuation of air, at installation of engine with spark plugs down;
e – Longer studs for 582 UL Mod. 90. Not used on 582-99;
f – Sold by the meter (39”)

E – Loctite Anti-Seize

AR – As required

a – Without hooks;
b – With hooks;
c – See also SI-2ST-002

A – Loctite 221
I – Lithium-Base Grease

AR – As required

a – For electric starter, configuration magneto-side or pto side;
b – In a roll/Sold per meter (39");
e – Retrofittable from engine S/N 4,103.549