To make it easy to find what different terms mean or the common name for parts and tools, I thought we could do a community written glossary.
If your inclined, just add what you like with a description and I will add to the original post.
Will help new folks a great deal.
A. Ape Hangers- long handle bars that one reaches up to.
Bucking bar and bearing
C. Chain Tensioner - A device used to adjust the chain tension.
CC = Cubic Centimeters, refers to the displacement of the engine
CVT = Continuously variable transmission. As engine speed increases the gear ration does too. Similar to an automatic transmission.
H. HT (Happy Time) Nick name for 2 stroke engine kit
Magneto (Coil and Magnet)
R. Rag Joint - Used to attach the rear drive sprocket to the rear wheel.
T. TDC and BDC = Top Dead Center, Bottom Dead Center. (refers to piston position and timing.)
W. WOT= Wide open throttle.
..A device with a flat top, flat sides, and a semi-circular curved bottom. Woodruff keys are used to assemble components on a shaft by fitting into a matching curved key slot. China girl has 4 keys. http://www.gemplers.com/images/pages/HC240.jpg