There are 2 x washers included to hold the bolt in place for custom application

Remote sensing remind distance: <300M

For Yamaha ETX 25 in

please compare to yours original bolt

1PCS Dark Blue 565cc Fuel Injectors Fit WRX / STI 16611-AA720 2.5L Generic Car LED Bulb Lamp There are 2 x washersFeatures: These High Impedance fuel injectors have been 100% tested and exactly match the internal coil resistance and fuel flow rate of OEM fuel injectors. The individual flow characteristics and fuel atomization of above fuel injectors are almost same to or superior to the OEM and will help accelerate response time , save gasoline and improve MPG. Direct fit for applications with top feed fuel injectors For Subaru Dark Blue 565cc fuel injectors are