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Post by adanielloaizaa on Dec 26, 2013 16:28:11 GMT -5
Hi:
mi name is daniel, i am from mexico, i am living in cancun, i am user from a chinese scooter in mexico is a italika gs 150 is a znen falcon 7 in china.
it is nice, is a 150cc ,but you know i need more..
i reach this forum looking for upgrades and modifications for my scooter.
right now watching the videos from 90gtverd, i decided to modify just the rollers.
i have 6 months whit it something like 6,500 kms and it´s nice.
thanks
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Post by 90GTVert on Dec 26, 2013 16:56:31 GMT -5
 Daniel! Tuning with rollers or sliders often offers some benefit versus the stock tune, as well as checking the tune of the carburetor. If you watched the Project TaoTao CDI video, you should have seen a section about modifying the pickup to advance ignition timing. That's a good mod to try that's free if you have the tools to do it. Normally I recommend big bore kits on the 50s for big gains... but a 50cc moving up to 70cc or above is a 40% or larger increase in engine displacement. For the 150cc you only add about 5cc or a little over 3% without machining the cases for a larger bore or going tearing the whole engine down for a stroker crank. The stock bore is 57.4mm and the largest kit that normally fits without machine work is a 58.5mm big bore (155cc). If you want a lot more, I'd probably consider a full build with a stroker crank to really up the cc. That's gonna be expensive and it's a lot of work though. For small gains you could add a pod filter and a performance exhaust. Those mods will require a larger main jet and possibly other adjustments. |
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Post by aeroxbud on Dec 27, 2013 15:03:44 GMT -5
Welcome to the forum Daniel
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oldschoo1
Scoot Member
I have scooters....
Posts: 51 
Location: Ketchikan, Alaska, USA
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Post by oldschoo1 on Jan 13, 2014 21:15:42 GMT -5
Welcome Daniel!
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Post by adanielloaizaa on Jan 18, 2014 22:11:14 GMT -5
Daniel! Tuning with rollers or sliders often offers some benefit versus the stock tune, as well as checking the tune of the carburetor. If you watched the Project TaoTao CDI video, you should have seen a section about modifying the pickup to advance ignition timing. That's a good mod to try that's free if you have the tools to do it. Normally I recommend big bore kits on the 50s for big gains... but a 50cc moving up to 70cc or above is a 40% or larger increase in engine displacement. For the 150cc you only add about 5cc or a little over 3% without machining the cases for a larger bore or going tearing the whole engine down for a stroker crank. The stock bore is 57.4mm and the largest kit that normally fits without machine work is a 58.5mm big bore (155cc). If you want a lot more, I'd probably consider a full build with a stroker crank to really up the cc. That's gonna be expensive and it's a lot of work though. For small gains you could add a pod filter and a performance exhaust. Those mods will require a larger main jet and possibly other adjustments. brent: thank you very much for all your recommendations. right now I decided to just change the rollers, for sliders, I have already applied to our provider in 12 grams brand Dr.Pulley. they should have come this day but had no time to reach the dhl office for them, i wiil do it on Monday or Tuesday and i will replace it next Saturday if I have time to replace it. I've actually been considering making major changes but comes to the conclusion that for? what my scooter offers is well. maybe eventually buying a pre-owned yamaha bw´s 2 stroke or a used scooter vento zip R3 50 cc 2 stroke and I just started to restore it for fun. I am amateur mechanic, I have some tools and I followed several of your videos and all the tao tao project. thank you very much for all the dedication and effort to provide valuable information. daniel |
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Post by adanielloaizaa on Jan 18, 2014 22:18:17 GMT -5
sorry for the bad writing, but between my keyboard which is very small and the google translator is not as accurate, dee suddenly I write different things,'ll check before posting.
thank you very much everyone for your answers
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Post by 90GTVert on Jan 18, 2014 22:26:22 GMT -5
No worries on the posts. If you asked me to type in Spanish it would be nothing more than random statements about shoes, cheese, and school supplies.  2 strokes make fun projects. You can get very impressive results from little motors. |
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