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08-01-2013, 04:55 PM
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#1 |
 Join Date: Mar 2013
Posts: 40
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I think the OP means that Chinese GY6 are comparable to the higher-end machines AFTER the upgrades, which still comes out cheaper.
Maybe this is a tangent, but what is it about the GY6 clones that makes them less powerful than other brands of the same displacement? I've noticed a lot of the Chinese 150cc put out right around 8-9 HP, while carbed Kymcos and Genuines pump out closer to 11-13 HP... roughly 40% more juice. Is it simply the age of the design (being based off of 30 year old tech), or is it the inferior quality stock parts? Do these upgrades noticeably close the performance gap? ~SM |
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08-02-2013, 07:56 AM
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#2 | |
 
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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Quote:
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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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08-02-2013, 03:07 PM
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#3 | |
 
Join Date: Aug 2011
Location: Tierra Azul, NM
Posts: 739
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 Do not fear mistakes. You will know failure. Continue to reach out. - Benjamin Franklin Join the HARDCORE 1983 Honda GL650I SilverWing |
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08-02-2013, 03:17 PM
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#4 | |
 
Join Date: Sep 2012
Location: West Haven CT
Posts: 1,165
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Unless you throw the scoot on a dyno that would be hard to prove but it is a realistic goal More ccs will equal more power so it all depends on how large of a displacement upgrade you do With a 63 mm bore and a 61 mm stroke your 150cc becomes 190.15cc That should easily put out over 12 bhp Take care and ride safely dear friend Yours Hank
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 "4wheels move the body 2 wheels move the soul"Duty, Honor, Country. Those three hallowed words reverently dictate what you ought to be, what you can be, what you will be. Douglas MacArthur |
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