Suzuki M109 Final Drive Oil Change | Suzuki Boulevard Rear Diff Fluid Change | Partzilla.com

Suzuki M109 Final Drive Oil Change | Suzuki Boulevard Rear Diff Fluid Change | Partzilla.com

The first thing we want to do is take a 21 millimeter socket and remove the drain bolt to our rear differential and let the oil drain completely. Once it’s completely drained, we’ll go ahead and reinstall a drain bolt. But this time, we’ll torque it the 16.5 foot-pounds. You also want to make sure