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Post by richiekunz on Oct 12, 2011 11:36:53 GMT -5
Ahhh I See.....Then I'm gonna check out the shop later to see if they sell any main jet...hope so they do...
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Post by 90GTVert on Oct 12, 2011 12:00:35 GMT -5
www.partsforscooters.com/114-35-Hoca-Main-Jet-CVKThe link above should be what your carb uses. Click specifications there and they'll give you thread pitch and more. Main jets come in different sizes of flow, but also different physical sizes. You must get the right thread pitch etc... to fit your carb. If buying locally, take the jet with you and match it up.
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Post by richiekunz on Oct 12, 2011 12:09:42 GMT -5
Okay...what kind of jet should I get ? I mean....like should It be bigger size or ?
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Post by 90GTVert on Oct 12, 2011 13:31:55 GMT -5
Bigger physical size won't fit. Larger number, same physical size. It'd help to know the stock number, then get jets something like 5-25% larger than that. For example, say you stock jet is marked 100 (I dunno what it is, just using this number. Prob somewhere near that.). Get a selection of jets from 105-125.
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Post by richiekunz on Oct 12, 2011 22:13:09 GMT -5
Okay.....Got it...thats mean I need to look for a little bigger jet right ?
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Post by Goosey on Oct 13, 2011 8:28:41 GMT -5
Find out what jet your starting with, order several in varying sizes up. You work your way up until you find the correct size. Trial and error. Individual scoots and setups use differrent sizes, so no way to just give a number sadly. Cool, havn't seen the 125 before, though I see it's listed in the same parts section as the 150 4t; doh
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Post by richiekunz on Oct 13, 2011 10:32:53 GMT -5
Okay Thanks for Information guys...
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Post by richiekunz on Nov 4, 2011 6:45:49 GMT -5
Do you guys think its possible for 125cc scooter that fully upgraded to run til 140km/h ++++ ?
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Post by tour96se on Nov 4, 2011 6:51:24 GMT -5
no
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Post by 90GTVert on Nov 4, 2011 8:26:07 GMT -5
If fully upgraded includes a serious big bore, stroker it's possible. It's just not really practical for most. You could trade in the 150 and get a 250 or bigger for less than all the upgrades to do basically 90MPH on a GY6. I dunno if even the 250s will top out that fast stock?
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Post by richiekunz on Nov 6, 2011 4:59:52 GMT -5
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Post by 90GTVert on Nov 6, 2011 8:09:06 GMT -5
I don't think so. First, the electric "turbos" or "superchargers" don't have a history of providing substantial increases. To my knowledge, some of these work to a small degree, but nothing big. I've read of people claiming 2-4 pounds of boost. Assuming there are no other losses associated with providing boost, 2-4psi could equal as much as 14-27% gains. The thing is, I don't really know that the kit there is capable of that, and there would be some losses involved.
I see it's operated with a WOT switch. I wonder if it would cause a restriction and decrease performance when you aren't WOT?
Mounting it as shown, it's a blow-through setup. Meaning, the boost is blowing through the carburetor. The carb was never designed for this, so it's likely going to cause problems. If mounted behind the carb, draw-through, it also has it's own problems.You could go out and build a carb box and blow into that, so the carb is sealed in it's own atmosphere. Tuning will probably end up being a pain regardless of which way works best or is chosen.
I think it could be fun to play with if you just want to experiment. You may even end up getting a good result at some point. Don't expect to just bolt it on and see increased performance. Expect headaches and plenty of effort. Maybe you'd be lucky and it's not that bad, but don't expect it. I just see this as a mod for folks that like to try different things out more than a good route for increased power.
Big bore kits and stroker kits are proven and don't give you tuning nightmares most of the time.
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Post by richiekunz on Nov 9, 2011 7:03:31 GMT -5
Every Carb Main Jet are same? or no? LoL I really did changed my Air box to an Open Air Filter and its dont work normally ............ Haha...btw do you think I can just drill the Main Jet to make the hole bigger?
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Post by 90GTVert on Nov 9, 2011 9:51:07 GMT -5
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Post by richiekunz on Nov 9, 2011 16:59:55 GMT -5
Depend on the chart how big should I Drill my Main Jet?
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