re shaft drives and wheelies in article snz morgan demon co uk tony morgan demon co uk tony kidson writes well maintained chains running in oil without those little rubber o rings to cause frictional losses might reach efficiency the average open to the dust o ring motorcycle chain probably has a difficult job making efficient so of the hp produced by my fj engine hp watts hp kilowatts is being dumped into leetle tiny o rings that s watts per o ring seems a little hot doncha think o chuck rogers car torreys att com
