2-Stroke Parts 447, 503, 582

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

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

A – Loctite 221
D – Loctite 574

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.

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

AR – As required

a – Brush not available as spare part, use brush holder assembly 866891

A – Loctite 221
E – Anti-Seize
I – Lithium-Base Grease
O – Engine Oil

a – With 2 rings, Standard;
b – With 2 rings, 1st Oversize;
c – With 2 rings, 2nd Oversize;
d – Standard Size;
e - 1st Oversize;
f – 2nd Oversize;
g – ATTENTION: Use only once

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)