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Old 10-30-2015, 12:16 PM   #2
blueboy5000   blueboy5000 is offline
 
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Join Date: Jul 2011
Location: Connecticut
Posts: 493
It depends entirely on your skill, and available tools. I'm a scooter builder, so I can swap an engine in minutes, you might take longer.

If your crankcase is broken, you need a new engine.
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2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.
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