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Scooters - 125 to 300 => Agility 125 => Topic started by: hatto015 on July 27, 2011, 12:29:59 AM

Title: upgraded CVT Big Bore
Post by: hatto015 on July 27, 2011, 12:29:59 AM: I was at the dealership today looking at new bikes to replace my agility 125 when the tech told me something i hadn't heard before.
He said they have an upgraded CVT and a big bore kit that helps you get to 75 mph. Is this true and so, where would you get one?
Title: Re: upgraded CVT Big Bore
Post by: Cortez on July 27, 2011, 03:25:26 PM: Quote from: hatto015 on July 27, 2011, 12:29:59 AM
I was at the dealership today looking at new bikes to replace my agility 125 when the tech told me something i hadn't heard before.
He said they have an upgraded CVT and a big bore kit that helps you get to 75 mph. Is this true and so, where would you get one?

I've seen kits for the GY6 125cc engine from 150 to almost 200cc so I'd say yes, it's
possible, even faster then 75, and you'd probably be fine with the stock CVT and some
mods on it.

Google "gy6 tuning".
Title: 4 valve 150cc racing cylinder head kit on provoscooter.com
Post by: pimpbgwllystyle on March 03, 2012, 10:05:55 AM: here's the link, it's the coolest thing ive seen so far, but sometimes the big bore kits require some machining.
http://www.provoscooter.com/scooters/kymco/kymco-agility-125-4t/ruima-4-valve-racing-cylinder-head-gy6.html (http://www.provoscooter.com/scooters/kymco/kymco-agility-125-4t/ruima-4-valve-racing-cylinder-head-gy6.html)
Title: Re: upgraded CVT Big Bore
Post by: zombie on March 03, 2012, 10:20:59 PM: Close your eyes, hold your breath, and jump in head first! Welcome to OUR world!
A few things to consider... How much do you like your scoot? Fits well, rides well, like the style? If yes to all... Is it just under powered for your needs? Tuning a BBK WILL take ALL your free time for several weeks. First finding the parts that will work, then finding the best price. Next comes learning all the "tricks" to preparing the raw parts for install. Now it's together... Getting the carb right for the new kit. That's done so you now have to tune the cvt to work with the carb. and BBK. If you are LUCKY that will be the end of it. BUT since you have learned Sooooo much about your scoot you may want to add a performance pipe. RE DO the carb to work w/ the pipe. RE DO the cvt to work w/ the new carb settings, and the pipe. Well yuo might as well do the air box now to really feel the new stuff. RE DO THE RE DO'S. Well now it runs better than any other scoot of it's type. Just noticed the OEM tires don't really hold that well... New set. Hmmm that rear shock feels "springy"... Where do you get those brighter headlights? Whats the best Ignition coil to use? Where the F' did my wife go?
If you have the time, and like tuning I say GO FOR IT!
You all will see this post again cause I'm copying it!
Title: Re: upgraded CVT Big Bore
Post by: old mod on March 05, 2012, 08:02:01 PM: Zombie, you're bang on! Plus the big bore kit will rarely be as good as original and will strain original parts...reliability is shot...been there and have a broken piston and barrel to prove it! All for what gain? The size of the cvt limits top speed, you may gain 10mph, take off is better but you will be using 25% more fuel ???
Title: Re: upgraded CVT Big Bore
Post by: zombie on March 06, 2012, 12:17:41 AM: I went from 100mpg stock to about 20-25mpg with all the mods I talked about. I couldn't be happier. (for real)