Fuel Gauge

Trying to set up the fuel gauge on the speedo and realised the fuel sender wouldn't work with the gauge so we bought a new sender. We had a bit of trouble figuring out how to fit it in the tank and it still didn't really work properly with the gauge when the sender was half way up the gauge says empty so we had to bend the float arm to make it work right. Seem to have it bang on now the gauge seems to match the fuel level.