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Post by sailracer on Jun 3, 2013 19:31:44 GMT -5
The gy6/100 I ordered from scrappy is finally on it's way.  Actually an 83 cc orr something like that (50mm bore). I also ordered a 23mm carb with that. I am seeing so many threads about jetting etc, that now i'm second guessing my decision.My thinking was: the bigger carb will have a bigger jet, and probably would be a good match for the new motor. I can still use my original carb,and play withthe jetting, or try the new carb as shipped. any input? |
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Post by lykos23 on Jun 3, 2013 19:36:54 GMT -5
 I have yet to get my bbk, but from what I hear a larger carb shouldn't be necessary until you get a performance head, or a bigger bbk. I'll be using my stock carb with a #  main jet and #38 pilot jet. Most recommend a #35 pilot jet, which is stock. Mine shipped today, I'll let you know the results when I get it
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Post by sailracer on Jun 3, 2013 20:24:30 GMT -5
[replyingto=lykos23]lykos23[/replyingto]even though it's already a so called 100cc? thats why i bought the complete motor, so I wouldn't need a bbk. I figured it's already done.(laziness)
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Post by lykos23 on Jun 3, 2013 20:26:30 GMT -5
even though it's already a so called 100cc? thats why i bought the complete motor, so I wouldn't need a bbk. I figured it's already done.(laziness) Ah, that makes sense. I'm not sure if you got the performance head or not in that case. It may or may not be beneficial to get a larger carb  They have bigger bbks out there, it's up to you whether to install it or not, but 83cc should be plenty of power. |
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Post by sailracer on Jun 3, 2013 20:33:51 GMT -5
[replyingto=lykos23]lykos23[/replyingto]yeah,Ill just try it out. Carbs are easy enough to swap. I'll Let you know on the progress. I just ordered a set of Michelin city grip tires too. Ill put em on when i swap the motor. Those chinese tires suck! The bike already almost slipped out from under me more than once, and thats on a dry road. these things are terrible. Good rubber is of utmost importance to me .
Thanks. keep me posted
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Sophomore Rider
Currently Offline
Posts: 128
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Joined: Apr 3, 2013 9:41:03 GMT -5
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Post by mrpalmetto on Jun 4, 2013 20:57:45 GMT -5
He's right. Good rubber makes a world of difference.
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Post by millsc on Jun 4, 2013 22:04:47 GMT -5
no need for a carb over 20mm without a big valve head that is ported, why put a big carb on a head that has small 18mm ports won't do any good and may hinder.
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Post by sailracer on Jun 5, 2013 0:50:29 GMT -5
[replyingto=millsc]millsc[/replyingto]Scrappy is selling this motor on his website. They call it a 100 cc engine, and claim it has a 50mm bore. Should it not also have the bbk head already installed?Wouldn't using the stock carb for a 50cc with a bbk,and not up-jetting be the same as using my stock carb on a 100cc motor? I figure, by buying the carb and motor together, it's all done. I am getting old and lazy, and my back kills me now when I do Low work. This way, it saves me time aggravation and pain. (I HOPE) So in our opinion,I wasted my money?  jack  |
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jet
main jet and #38 pilot jet. Most recommend a #35 pilot jet, which is stock. 
