Bombardier SeaDoo 2000 factory shop manual volume 2, Page 158Get this manual
Section 05 ENGINE MANAGEMENT (DI) Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
If wiring harness tests good, it could be the MPEMTry new MPEM referring to MPEM replacement procedures elsewhere in this section
Safety Lanyard Switch Verification
If short beeps are not heard when installing the safety lanyard, refer to DIAGNOSTIC PROCEDURESThe following continuity tests can also be performed using an ohmmeter: Disconnect switch wiresSafety Lanyard Removed Connect test probes to switch BLACK and BLACK YELLOW wiresMeasure resistance, there should be NO continuity (open circuit)Connect one test probe to the WHITEGRAY wire and the other test probe to the switch terminalMeasure resistance, it must be close to ohmConnect one test probe to the BLACK wire and the other test probe to the switch ringMeasure resistance, it must be close to ohmSafety Lanyard on Switch Connect test probes to switch BLACK and BLACK YELLOW wiresMeasure resistance, it must be close to ohm
The "hot" type plug has longer insulator nose and transfers heat more slowly away from its firing endIt runs hotter and burns off combustion deposits which might tend to foul the plug during prolonged idle or low speed operation