KymcoForum.com
General => Technical | How To => Topic started by: Stellagod on June 16, 2014, 07:36:14 PM
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Hi, I've just got my Agility RS 50 back from the bike shop and is running, finally. Now I'm looking to up the power a bit. I've changed the drive boss to a non-shouldered type and am looking to improve the scooter without ruining it. Can anyone advise which components work best with each other - cdi, carb, piston kit, exhaust, rollers etc' And what to change and what to leave alone so the scooter remains reliable. If anyone out there has a good, running example I could copy what they've done I'd really appreciate it. Thanks
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http://www.ebay.com/itm/Chinese-Scooter-Big-Bore-100cc-50mm-Bore-QMB139-23-mm-Intake-Valves-A9-Cam-kit6b-/321259984645?pt=Other_Vehicle_Parts&hash=item4acc965705&vxp=mtr (http://www.ebay.com/itm/Chinese-Scooter-Big-Bore-100cc-50mm-Bore-QMB139-23-mm-Intake-Valves-A9-Cam-kit6b-/321259984645?pt=Other_Vehicle_Parts&hash=item4acc965705&vxp=mtr)
There is the whole deal in one kit.
I have used 11 of these kits, and had ONE bad cylinder head out of the bunch. The oldest bike is three years, and still going strong.
Like anything you can F' this up in one minute of riding if you don't know what to do or how to do it. If you are handy w/ tools I can walk you thru how, and what needs prep work before assembling this stuff.
The ONLY people that will recommend against it are the ones that have F'd up or know people that have F'd up. There are HUNDREDS of them.
I build hot ass scooters that double the speed they were meant for, and I have had parts break. That is very different from messing up an install, and creating a failure from before the bike is ever started.
The kits are cheap. The install can be done in 4-5 hours for a first timer. I can do these kits in around 2 - 2 1/2 hours including all the prep.
Hope that answers your question.
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Thanks Zombie. The kit looks great but the cdi is twin plug type. Do you have the same with this single 8 pin cdi?
Cheers
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Just search Ebay "qmb 139 big bore"
There are dozens of kits at all levels. Stay away from any kit that includes the Black rollers. They are cheaper quality.
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Hi, what benefit would I see from just putting an 80cc piston and bore kit on? Would I still have to buy yet another ecu (ref not starting saga)?
Cheers
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You will still need a 20mm carb, contra spring, lighter rollers. Your cdi can be de-restricted by cutting into the body of it. There are several posts on this by WordSlinger. Search CDI de-restriction...
You will spend about 100.00 to get a BBK/Carb/rollers/Spring. IMHO it is better to get it all in one shot, and if you don't install it all right away you have a pile of spares cheaper than you can otherwise get them.
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How do they even make those kits so damn cheap LOL
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Child labor. Little Chinky kids working in Aluminum smelting factories. They get one grain of rice per kit built.
You wanna hear some crazy sh**? In that African diamond country (nigeria, or the congo or something) they pay the miners in RICE. The only money they ever get is a 1 percent share of any diamonds found in their own pile of gravel. They dig gravel for 10 hour shifts, and put their name on a stick in the pile. If they are told there are no diamonds in their pile they have no recourse.
The owners are simply keeping them alive to work!
Guess who owns the mine... You got it! The "Diamonds are forever " people. De Beers.
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Lol when you said smelting I instantly thought of Goldmember.
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They are starving little black, and yellow babies, and all you have is Goldmember!
Oh the humanity...
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https://www.youtube.com/watch?v=sr0gNJ090JA (https://www.youtube.com/watch?v=sr0gNJ090JA)
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https://www.youtube.com/watch?v=HJEsrBRbpc8 (https://www.youtube.com/watch?v=HJEsrBRbpc8)
Practice your Mandarin.