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Old 05-25-2014, 12:37 PM   #1
James2132   James2132 is offline
 
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+3mm crankshaft worth it??

I Have a taotao 150cc scooter and was planning on upgrading the crankshaft to +3mm how much more proformance should I see?



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Old 05-25-2014, 03:06 PM   #2
blueboy5000   blueboy5000 is offline
 
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About 2% over all.

Just out of curiosity, why the crankshaft?
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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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Old 05-26-2014, 11:34 PM   #3
James2132   James2132 is offline
 
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Well I'm finna put in a Taida 61mm drop n kit so might as well add a stroker crankshaft while I have the engine apart. But i should get a lot more takeoff speed right? With the + 3mm crankshaft?



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Old 05-27-2014, 02:28 PM   #4
blueboy5000   blueboy5000 is offline
 
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You will get more torque, not necessarily more low-end speed..
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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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Old 06-10-2014, 02:28 PM   #5
James2132   James2132 is offline
 
Join Date: Mar 2014
Posts: 26
But will the tourqe gains really be noticeable? I already have the Taida 61mm cylinder, now Im Just waiting to save up my money for the $124 3mm crankshaft. I'm thinking about just installing the 61mm by itself because I can hardly wait for the crankshaft. But 150 Scooters r so slow I should really wait on the +3mm crankshaft I guess.



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