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cslag
03-26-2010, 06:43 PM
Drag racing an Apex 90 in modified class. Can do anything to motor as long as it's the original cases and under 120cc. What kind of build can I have done to make this thing scream?
marsrace2
03-26-2010, 06:49 PM
Get a 2 Fast from Maximum RPM
cslag
03-26-2010, 07:26 PM
Are those 50mm cylinders really that fast?
greenmachine70
03-29-2010, 06:59 PM
Originally posted by cslag
Are those 50mm cylinders really that fast?

YEP!
I have seen them outrun a 118cc motor built by a guy recognized as one of the top builders in this country.
marsrace2
03-29-2010, 07:37 PM
Originally posted by cslag
Are those 50mm cylinders really that fast?

Yeah, they are. Its alot more than just the 50mm cylinder, it is the porting and the crank too.........Those Italians really know what they are doing with a Scooter Motor.