2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 282Get this manual
ELECTRIC STARTING SYSTEM EBS01052 EBS01053
4Starting circuit cut-off relay Remove the starting circuit cut-off relay from the wire harness Connect the pocket tester (!1) and battery (12 V) to the starting circuit cut-off relay as shownPositive battery terminalredblack Negative battery terminalsky blue or blackyellow Positive tester proberedblack Negative tester probeyellowblack