#xs400

I have an '81 xs400 and have been rider it a bit more and want to do my first oil change. Under the it says to use 20w40. All I can find at my local auto part stores is 20w50. Would it make any kind of difference if it is synthetic motor oil or nor? This is my first motorcycle and just not...

RealMotoCo's inaugural build, as featured on Pipeburn, Bike Exif, Dime City Cycles, and the cover bike of Cafe Racer Magazine's summer 2017 issue. We've had a blast building and ripping around on this bike, but it's time to move on to other projects, so we're letting it go. It's been pretty...