jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Jun 15, 2011 17:32:53 GMT -5
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noday
Non-Com
"Sparky" Electronics Research and Development Officer
Posts: 90
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Post by noday on Jun 15, 2011 17:43:08 GMT -5
yeah, a 4T but look at that 132 mpg ! lol
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Jun 15, 2011 17:49:44 GMT -5
i still call bull crap on that they claim the 2 stroke got 123 mpg and no one very saw anything close to it
and the gas tank is smaller and they claim the 4 stroke is lighter then the 2 stroke so the only way i see that happening is by makeing the frame lighter
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noday
Non-Com
"Sparky" Electronics Research and Development Officer
Posts: 90
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Post by noday on Jun 15, 2011 18:24:21 GMT -5
there has to be more than just weight. a major part of MPG is rolling resistance thru the air. that scooter does not look like low air resistance.
other points:
a 3 valve head & a compression ratio of 12 to 1.. that's about 3 higher than a stock Chinoscoot GY6.
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Post by Rebel on Jun 15, 2011 18:34:45 GMT -5
May it rest in piece.
The Zuma has always been a great little scooter. I'm sure that CARB had a lot to do with the demise.
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Post by octopusjones on Dec 19, 2011 22:43:50 GMT -5
what a waste of technology. all that fancy, over engineered 49cc for the same 35mph (if that, if history is any indicator, lol) :/ what a strange world we live in i suppose it's some consolation that in taiwan, japan and anywhere else theres a bunch of scooters, they might make a marginally positive impact on the environment...ish....  |
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Post by Enviromoto on Dec 20, 2011 17:48:34 GMT -5
Don't count this bike out yet. As ugly as I think it is it uses the C3 engine and those can be made pretty quick. No 2t acceleration sure but some claim 60mph out of their semi modified C3's.
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Post by octopusjones on Dec 21, 2011 0:04:59 GMT -5
you know, that's kinda awesome, lol. i haven't had a shot to wrench on one of those yet. i have heard of some chinese domestic market stuff using this technology together, but no word if they were modding it yet. figures yamaha would make a fast 4 stroke,  . kinda makes me want to get one and take it apart. curious what similarities, if any, it has to a gy6, and how they are getting more out of it... |
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Post by Enviromoto on Dec 22, 2011 11:18:06 GMT -5
Pretty simple, 70cc kit, and gears. Fuel air mix may be a problem as I don't know of any programmers on the market yet.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Dec 22, 2011 12:25:11 GMT -5
i wonder if you could just do a bigger injecter like tha z125
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Post by Enviromoto on Dec 23, 2011 19:54:06 GMT -5
I guess we'll be finding out  |
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. kinda makes me want to get one and take it apart. curious what similarities, if any, it has to a gy6, and how they are getting more out of it... 
CAN YOU HELP ME OUT MAN,AS i LOST ME JOB DUE TO NOT BEING ABLE TO GET THERE?ANY INF