2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 474Get this manual
IGNITION SYSTEM (After 05) IGNITION PULSE GENERATOR PEAK VOLTAGE NOTE: Check the cylinder compression and check that the spark plug is installed correctlyDisconnect the 8P and 6P black connector from the ICMConnect the peak voltage tester or adaptor probes to the ignition pulse generator wire terminals of the 8P and 6P black connectorTOOLS: IgnitionMate peak voltage tester MTP07-0286 (U.S.Aonly) or Peak voltage adaptor 07HGJ-0020100 (Not available in U.S.A with commercially available digital multimeter (impedance 10 MS2DCV minimum) CONNECTION: Blueyellow terminal (+)Greenwhite terminal (-) Shift the transmission into neutralTRX450ER: TRX450R:
8P CONNECTOR