3 Comments so far

1. Timing : Motorcycle-Glossary.com on May 20, 2007 1:25 pm

   [...] engine, or when the spark occurs. It is normally expressed in degrees or millimetres before TDC (see ignition timing and port [...]

2. Compression Ratio : Motorcycle-Glossary.com on May 7, 2007 1:33 pm

   [...] measurement of the difference between cylinder volume at TDC and [...]

3. BDC: Bottom Dead Center : Motorcycle-Glossary.com on May 7, 2007 1:32 pm

   [...] The point during crankshaft rotation at which the piston is in its lowest possible position.  (Compare TDC). [...]