Here's a few clips posted by "whacko" of what a bike is put through on a dyno to tune some of the more expensive tuners.
I echo his comments as well about not subjecting a bike to the abuse required to extract the last HP or two for a street ridden bike.
YouTube - Dyno test www.candamoto.com on Harley Davidson Road King 230km 5th Gear‏
YouTube - Harley-Davidson FLHTCU Backfires On Dyno Run‏
I echo his comments as well about not subjecting a bike to the abuse required to extract the last HP or two for a street ridden bike.
YouTube - Dyno test www.candamoto.com on Harley Davidson Road King 230km 5th Gear‏
YouTube - Harley-Davidson FLHTCU Backfires On Dyno Run‏