2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 283Get this manual
ELECTRIC STARTING SYSTEM EBS01054 EBS01042
6Starter relay Disconnect the starter relay coupler from the wire harness Connect the pocket tester (!1) and battery (12 V) to the starter relay as shownPositive battery terminalblueblack Negative battery terminalyellowblack Positive tester probered Negative tester probeblack
8Engine stop switch Check the engine stop switch for continuityRefer to "CHECKING THE SWITCHES" Is the engine stop switch OK? YES NO Replace the handlebar switchEBS01046
9Neutral switch