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Old 09-13-2014, 11:55 AM   #21 (permalink)
sendler
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Join Date: May 2011
Location: Syracuse, NY USA
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Honda CBR250R FI Single - '11 Honda CBR250R
90 day: 105.14 mpg (US)

2001 Honda Insight stick - '01 Honda Insight manual
90 day: 60.68 mpg (US)

2009 Honda Fit auto - '09 Honda Fit Auto
90 day: 38.51 mpg (US)

PCX153 - '13 Honda PCX150
90 day: 104.48 mpg (US)

2015 Yamaha R3 - '15 Yamaha R3
90 day: 80.94 mpg (US)

Ninja650 - '19 Kawasaki Ninja 650
90 day: 72.57 mpg (US)
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Seems like too much work and non optimized parts to convert a motorcycle gas engine to diesel for this event where Engine off Coasting, which alleviates much of the loss of efficiency of a throttled gas engine, is entirely feasible. I would probably start with a Honda 49cc injected engine out of a Ruckus or Metro as Honda is the champ of FE right now. Retune the mixture with a piggyback fuel controller, Retune the intake pulse for your desired rpm range, use hot air intake to save heat energy and use a high tech coolant to boost engine temps to 200C? with minimal vaining on the water pump.

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