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Old 02-13-2012, 10:29 AM   #24 (permalink)
Ryland
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Location: Western Wisconsin
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honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

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Quote:
Originally Posted by bandit86 View Post
I meant the diesel version, 1/3 smaller. It turbocharged gets an easy 30 mpg
I don't understand your question.
The diesel version gets 30mpg because just like mort said, diesel fuel has more energy in it per gallon and diesel engines are more efficient so they pull more of that energy out of the fuel, wasting less of it, because a diesel engine is always running wide open throttle and only limiting the fuel, then a throttled turbo (dump gate) can help boost power output when needed without hurting fuel mileage, allowing a smaller, more efficient, lighter weight engine to be used.
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