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Messages - trninka

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Agility 50 / Re: Roller weight size 16/13 is correct yes or no?
« on: May 03, 2013, 06:06:31 PM »
Quote from: blue on May 03, 2013, 11:46:08 AM
yes that correct.  But they come in many sizes as from 4mm to like 10mm you need to know what size works best for you in the scoot.

you mean 4g to 10g ?

2
Technical | How To / Re: Mixing Roller Weights
« on: April 23, 2013, 09:16:32 AM »
As I know, you can mix it but spread them properly. I am willing to mix on my agility 3x 7gr and 3x 8gr, by the way: 1x 7gr, 1x 8gr, 1x 7gr and so on...

It is not recommended to mix the rollers that has too much different in weights, for example 8gr with 5 gr...

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Agility 50 / Re: Jets
« on: April 13, 2013, 04:33:06 PM »
Hi all,

Will this fit on Kymco Agility 4t 50cc from 2009 ?

http://www.petrogallimoto.com/shop/en/gy6-engine/1951-m5-naraku-jets-10-kit-from-80-to-98-4250362416834.html

I am not sure is the main jet had to be m4 or m5. Somewhere it says that on older agility it is m4, but on newer is m5. I don't know if my agility from 2009 is old or new :)

Thanks

4
Agility 50 / Re: Hard to start after sitting this winter... any fire up tips?
« on: March 29, 2013, 09:27:26 AM »
Try to start the scoot with the e-start and crank it at a same time. That will ease the starter motor.

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Agility 50 / Re: 72cc BBK
« on: March 29, 2013, 09:08:04 AM »
Well I don't know what compression 50mm kit has, when I look the piston it is some kind of flat top. But it really depends of the head design as well. The stock 50cc has a compression ratio 11:1, I have read that 47mm has indeed 9:1 compression and yet it is harder to start than the stock. If what you say is true: lower compression - the e-start will be easy vs higher compression - hard start... then I am confused :).

Anyway is there a high torque starter in the market for AG?

6
Agility 50 / Re: 72cc BBK
« on: March 20, 2013, 08:18:05 PM »
Haha - motorized vehicle - good one...

Anyway R70 guys warn me that electric start is a way difficult with 85cc than 72cc especially in cold days, that's why I asked you, if you have that problem.. but obviously it is another way around in your case... :)


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Agility 50 / Re: 72cc BBK
« on: March 20, 2013, 01:40:20 PM »
... and what about the crank shaft? is it stock? I am beginning to doubt that 85cc is a way to much for the agility... and I am afraid that if I put 85cc, the crank shaft will be gone for 1 year or less.. I watch the video of 85cc agility rs, and the guy in the comments has written that the crankshaft least for a half of year...

I can not decide yet.. in one side I will want the power of 85cc, but on the other i am afraid of overall durability of the scooter...

8
Agility 50 / Re: 72cc BBK
« on: March 20, 2013, 01:33:21 PM »
Hey mono, do you have a cold start problem with 85cc kit ?

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Agility 50 / Re: 72cc BBK
« on: March 19, 2013, 05:53:14 PM »
Yep.. thanks a lot for your advices mono. The site is in dutch, so with Google translate is very hard to understand what they want to tell you :). They also tell me to buy their cheaper R70 80cc + replica camshaft, saying that the reliability is the same as NCY, with much lower price... but i think it is better to stick to NCY as its proven quality.

Why should I put the heavier roller weights, is it because I will run the engine on lower rpms.. so saving fuel...

What about increasing the top speed? Is it the best way (and cheaper) to change the variator only?

10
Agility 50 / Re: 72cc BBK
« on: March 19, 2013, 03:57:48 PM »
Yes but with 85cc and head I also need to buy Rocker Arm Assembly, because after 2007 kymco has change something on it, and in 95% the sport head doesn't fit with stock rocker arm. Did you get this problem too? And with 85cc do I need to change filters, exhaust, carb, etc...  ? Do i need to machine the block or something else, or it has a perfect fit ?

11
Agility 50 / Re: 72cc BBK
« on: March 19, 2013, 10:59:15 AM »
I am confused now. I was willing to order 72cc kit, but the guy at revolution70 is changing my mind... he says that with 72cc kit I will not get the good torque, and after a while I will want 85cc kit (85cc is marketing name, the true volume is 81.3cc because the diameter is 50mm). But he said I also need to buy a sport head for 80cc kit with bigger valves. The NCY kit consists of 85cc kit and sport head for it.

Please I need an advice: is it better to go with 85cc+head or 72cc with original head + t2 camshaft. (later i will buy overdrive2 vario)
Do I need to change the carburetor for bigger head (85cc), air filters and exhaust, or it can work good with stock parts?

Which setup will you choose, and why?

12
Agility 50 / Re: 72cc BBK
« on: March 16, 2013, 09:00:40 AM »
Hello all,

The day has come when I decide to upgrade my agility. So everything is stock for now. I planed to change the cylinder to BBK 72 (NCY) without to change the head. At the same time I will change the camshaft to NCY t2. At this point is it worth to change the camshaft (keeping in mind that everything else is stock), or I need also to change the CVT to NCY Overdrive2 ?
With changed BBK, Camshaft and CVT do I need to change exhaust as well ? The carb will stay the same, and I don know if i can run this setup with the stock nozzle.. What about consumption ? I run my scoot on 2-2.5l/100km (sorry for the measurement).. will it grow and how much to expect ?

Thanks 

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