Quote:
Originally Posted by dwint51
im doing the same thing and from these threads there is a lot of problems over 70cc.i asked the mechanic here and he said the 90 and 100 cc don't hold up
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I have noticed that a lot of people only do the 70cc upgrade. Is there enough of a power gain to perform this upgrade? Does anyone here speak from personal experience regarding the reliability or lack thereof from the larger sizes. I know more power doesn't equate to more speed without other upgrades, but what kind of speed can we expect a 70cc motor to achieve with said upgrades? Can a 70cc motor really push you to 60mph?
Which lends itself to the question, what does increasing your displacement by 45% do to your fuel economy? I have had 500-1000cc motorcycles and I know what kind of economy to expect from them, but they perform differently than scooters.
Thanks for the advice.