Hey blaster - riddle me this. I am not an expert so a real question here. On "Twist the Throttle" every factory tour I remember and CERTAINLY the Kawasaki episode showed and said they do a factory test on each bike (though they only show sport bikes).
They run them on the dyno pretty hard and the results are paired with the serial number so each bike has a history ... bla bla bla.
If thecase for every bike, would that take care of the dealer start you described?
Yes, a dyno pulls a load to indicate power at the wheel. I would say from my experience with our dyno, we pulled it down to rated h.p. Like hooking your bike to a log and trying to go 100mph in top gear. There is nothing to "break in". I had a 1958 Triumph I rebuilt and original manual, breakin = "first 10 kilometers do not exceed 10 kilometers per hr.". Blah blah. What do people think, that break in is to grind the crank to round or scrap the cylinder to round? Someone forget to check the bearing clearance and we hope to scape some lead off going slow at first to fit parts togather?
I work for an OEM that uses lots of engines. I can assure you the engine has time on it before it gets to the dealer. If there is a problem with the engine it's not 5 minutes of idle time at the dealer that did it...and we absolutely do NOT authorize nor advocate intentionally "dusting" the engine to try to get the rings to seat.
I love these forums, we gather to conversate and end up in a debate. I'm sure a Stealer would recommend an expensive tear down with all the associated expenses to the owner.
I notice that already assumptions are being made about how the cycle is handled prior to the owner receiving it. Some assume all are dyno'ed, another knows how much the vehicle is ran prior to leaving the factory.
I have dis-assembled more motorcycles with bad rings than any other reason!
The customer "My motorcycle uses oil".
I have dusted 100's, every time a customer complains about oil consumption or states "my friend has a bike just like mine and he outruns me". First I ask "does you buddy weigh a 100 pounds less than you?". Do you think the dust goes to the crankshaft main journals? The engine is an air pump (I would say compressor but nit-pickers start their nittin). There is a seal between the air in the cylinder and the crankcase.