2004 Skidoo ZX Series Service Manual, Page 467Get this manual
Section 09 ELECTRICAL SYSTEM Subsection 06 (TESTING PROCEDURE)
Press MENU twice; Trs then turn off programmer, unplug it from MPEMRemove 9-volt adaptorStop engine when using WITH ENGINE RUNNING procedureMODEL ENGINE CALIBRATED MPEM PN Liquid Cooled Legend Sport 500 SS Legend SE 700 Legend Sport 700 593 693 693 512 059 833 512 059 832 512 059 832 Fan Cooled Legend 380 MX 380 Legend 550 MX 550 Skandic Sport 550 Summit 550 377 377 552 552 552 552 512 059 518 512 059 518 512 059 626 512 059 626 512 059 626 512 059 628 512 059 521 512 059 521 512 059 627 512 059 627 512 059 627 512 059 627 512 058 941 512 058 941 512 059 941 512 058 941 512 058 941 512 059 337 512 059 640 512 059 646 512 059 646 512 059 796 512 059 796 512 059 796 CALIBRATION PN MPEM PN
NOTE: When new MPEM is necessary, always order CALIBRATED MPEM PN