This preheat system applies heat to strategic locations on the engine including the cylinder heads, crankcase, and oil tank. The kit comes complete with all heating elements, heavy duty wiring harness with 120 volt plug, installation instructions and documentation.
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)