1981 Kawasaki KZ 1100 B Gpz Starter Solenoid (relay) The Starter Solenoid is a relay. When it receives a low amperage signal from the starter button on the Right Bar Switch, it opens a high amperage connection, allowing current to flow from the battery to the Starter. All used Starter Solenoids are thoroughly tested before they are placed in inventory. The part will be undamaged and electrical connections will be clean. Sample Picture of Starter Solenoid (relay) Shown, not necessarily the Starter Solenoid (relay) for your bike. You will be shipped the correct part for a 1981 Kawasaki KZ 1100 B Gpz Click here to see other parts for your motorcycle Kawasaki Model Identification Note: On all Kawasaki models produced after 1980, the 7th digit of your motorcycle's VIN (it is a letter) is critical in identifying the model of motorcycle you own. For example, if you own a 2000 ZX6, and the 7th digit of the VIN is an E, then you own a 2000 ZX6 E; If you own a 2001 Vulcan 1500, and the 7th digit of the VIN is a G, then you own a 2001 Vulcan 1500 G. Please confirm the 7th digit of your VIN number before placing your order.