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Messages - 09agility50

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1
Agility 50 / Re: 72cc BBK
« on: November 23, 2012, 04:44:49 PM »
The oil pump isnt really necessary. I didn't change it on mine i left the stock one in it. I dint want to split the case to install it so i just left that part alone. BTW it isnt any more chinese than kymco is! I am not talking bad about kymco either i prefer my kymco over beamers and zumas and other scooters. My agility 50 will beat theirs all day even before a BBK.

2
Agility 50 / Re: 72cc BBK
« on: November 22, 2012, 03:24:14 AM »
Yes it was a fairly easy install. I would recommend having some mechanical ability for the install. A second set of hands is nice too. No problems so far only has less than 15 miles on it though. was going to run the stock head since valves are the same size, but on the new head the valve springs are stiffer so went ahead and used the new head. I am planning on a different cam down the road. Another thing i noticed, not a big deal, the new piston is dished compared to the 50cc piston which is domed. therefore the compression is actually a lot lower on the 72cc kit.

Link: http://www.monsterscooterparts.com/50cc-72cc-high-performance-scooter-engine-kit-.html

Can't beat the performance for 100 bucks!

3
Agility 50 / 72cc BBK
« on: November 21, 2012, 09:00:10 PM »
I have recently installed a 72cc BBK and wanted to share my experiences. So far i am happy with the kit. It was and easy install everything went together well. You do lose the Exhaust gas recalculation stuff, but who needs that on a scooter! The low end torque is the biggest gain. from a stop to 30mph it pulls hard(for a scooter!). On the top end i gained about 4-5MPH over the stock 50cc. on the 50 and 72 i had a ncy cvt kit. i did put in an 87.5 main jet and it did help out a bit too. overall with 72cc, ncy cvt kit, and 87.5 jet i can do 50mph on flat ground with no wind. I also cut the cdi but that didnt cost anything.

4
Agility 50 / Re: Torque specs
« on: November 18, 2012, 09:21:00 PM »
Did not seem to find much there. Most of that was for 125 anyway.

5
Agility 50 / Torque specs
« on: November 18, 2012, 02:07:17 AM »
Anyone know all the torque specs for all the fasteners when installing a 72cc big bore kit? Or any where to find them?

6
Agility 50 / Re: Jets
« on: November 11, 2012, 09:27:14 PM »
yeah. where im from they dont test at all. even cars and trucks. i think we are one of the few states like this

7
Agility 50 / Re: Jets
« on: November 11, 2012, 07:26:20 PM »
I will keep updated on the BBK. I recieved it in the mail yesterday, but unfortunately won't be able to put it on until i get home for break and have the tools to do it there. Hopefully in a week it will be on!

8
Agility 50 / Re: Jets
« on: November 11, 2012, 07:24:35 PM »
Emissions are nothing to worry about in kansas...yet! As long as it says Agility "50" on the title thats all that matters. since from the dealership it came with a smooth boss and 85 jet i put them in after break in. I gained 7-8 mph with smooth boss and jet. It doesn't run rich either thats why i run it.

9
Agility 50 / Re: Jets
« on: November 11, 2012, 06:08:10 PM »
I will probably stick with the stock air intake. I have the stock #80 or 82 jet from when the scooter was new. The bigger #85 is in it now. i changed that when i changed the boss after break in. I might take the stock 80 or 82, cant remember off the top of my head, and drill it out to an 88. I have  a shop at school i can use to do this.

10
Agility 50 / Re: Jets
« on: November 10, 2012, 08:57:52 PM »
72cc

11
Agility 50 / Re: Jets
« on: November 10, 2012, 07:50:35 PM »
I have the BBK and filter on the way. I was wanting to get the jets also that way when i am home over thanksgiving break i can mess with it when i install the BBK. There isnt really any local dealers or parts stores to get the jets is why i was asking about online.

12
Agility 50 / Re: Jets
« on: November 10, 2012, 07:41:54 PM »
any idea were to purchase them online? i have only found up to 85 size. Im looking for upper 80's maybe even low to mid 90's.

13
Agility 50 / Re: Jets
« on: November 10, 2012, 07:06:41 PM »
So back to my first question. The only thing i can find is M4x0.70 Threads. Does this sound right to anyone?

14
Agility 50 / Re: Jets
« on: November 10, 2012, 06:57:51 PM »
Yes i did like the improvements of the cvt kit, but i didnt use all the parts it came with like the springs in the secondary and the roller weights. I did a lot of testing with all the parts. Hopefully i can use those stiffer springs and different roller weights when the 72cc kit comes.

Any way the CVT kit does show improvements.

15
Agility 50 / Re: Jets
« on: November 10, 2012, 02:29:45 AM »
My scooter came with a bigger jet and smooth boss so i put them in after break in. My last project was the NCY cvt kit. I just recently purchased the 72cc BBK and was wanting to play around with a bigger jet when it gets here.

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