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Old 11-19-2012, 09:24 PM   #11
JerryH
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Joined: Jul 2009
Location: Chandler, AZ
Oddometer: 5,069
I have 2 125cc scooters (Yamaha Zuma and Vino) To me the main advantage to an underbone type bike is it's manual transmission. My scooters won't climb worth a s**t because of the very narrow gear range of the CVT. They do not have low enough gearing to climb mountains, while a manual transmission bike can be geared down to climb anything. Honda realized the need for super low gearing with their Trail 70/90/110 with the dual range transmission. Since a CVT is so limited in gear range, they are geared for top speed, not climbing.
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