Starter Motor with Solenoid. FlyWheel with Ring Gear. Key Switch Box with Keys. The free listing tool. The item “For GX340 GX390 ELECTRIC START KIT STARTER MOTOR FLYWHEEL SWITCH V ST19+” is in sale since Wednesday, January 15, 2014. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts”. The seller is “vmotorv” and is located in Ontario, California. This item can be shipped worldwide.