calculation

I have a worn crank bearing that I want to replace, how do you know what part to order?? Luckily this one had some green left on one side so I knew it was a size 4 It's also easy to calculate from the markings and stamps as follows Take the frame markings (on one of the front bosses) and...

I have been asked a couple times what size resistors to use when converting to LED signals or other after market signals, so i created a spread sheet to calculate it for you, all you need to do is measure the resistance of your oem signals and your new signals and punch it in, it then tells you...