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Old 12-01-2012, 11:29 AM   #11
larryboy
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Joined: Jan 2005
Location: Über Alles,Ca
Oddometer: 13,656
Quote:
Originally Posted by Mikef5000 View Post
Every dyno's different, but I got my #'s here:
http://www.motorcycle.com/manufactur...iew-91450.html

"Compared to the G650’s 50 crankshaft horsepower at 6500 rpm, the TR650 cranks out a purported 58 ponies at 7250 rpm, a 16% improvement.... Our dyno testing of the BMW revealed 44.2 hp at 7200 rpm, so the TR should produce just over 50 horses at the wheel."

Yeah, I've read that. We don't get to measure HP at the crank like the mfg, so we get to estimate. Common correction factor for most dyno's is 20%, they give you back 20% after a dyno run...this is actually crank HP. So if we go off the claimed 58 BHP we get 46.2 HP at the wheel, it's extremely difficult to get 6 more HP out of any single and they are speculating...Husky mods for an extra 2 HP at the wheel is realistic.
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