Starter Relay Solenoid For 31800 HG5100 STREET BIKE GD250N GD250R GV125 GV250 GV650 Motorcycle Electrical Switch Type Name: Starter Relay Color: As shown in the picture Package Includes: 1 PC Starter Relay Specification: 12V Fit For: 31800 HG5100 STREET BIKE-ALL, GD250N, GD250R, GV125, GV250, GV650-ALL, GT125, GT250, GT650, GT125R, GT250R, GT650R-ALL, MS1-125, MS1 125, MS3-250, MS3 250, RT125, RT125D-ALL The solenoid relay is designed to provide cranking power and reduce current on the startup switch.It uses copper and EPDM materials for function.Terminals are labeled B and M for and motor connections respectively; do not connect them in opposite directions.