Search results for: big bore kit

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31
Agility 50 / Re: Need more speed!!!!!
« by baddi on March 14, 2012, 11:52:01 AM »

......  brand new. I never took the crank out to do the big bore kit as it is only a top end mod not a  ............  kit your idea on floating valves has got me thinking  ............  because it is a bigger valve head that came in the big bore kit but  ............  think it should be cappable of dealing with the bigger cc.     That depends on if the valve springs  ............  stronger in the bigger bore kit. The valve springs havent really  ............  to do with bigger bore, but with higher revs, although bigger  ............  the revs come higher. That the valve heads are bigger is a positive thing, because it will let more  ......
32
Agility 50 / what's the stock compression ratio
« by phatboy on May 14, 2013, 11:37:15 PM »

...... (best pump gas here is 91).  I see a few different kits available, one appears to have a flat top piston  ............ : http://enviromoto.ecrater.com/p/3369520/ncy-72cc-big-bore-kit-fo  So that means it's lower than 9:1? ......
33
Agility 50 / Tried and true 72cc BBK?
« by phatboy on May 13, 2013, 09:47:42 PM »

......  pissed and some pass dangerously. I don't need a big boost, if I could get 30 up this hill, the scoot  ............  is the answer. but with so many options I want a kit that is known to work, something others have  ............ .  i read that some kits use the stock head and increase compression, I  ............  tuning this thing for life, just want a bolt on kit known to work, not piece things together and  ............  tweak stuff all summer long, but just a kit that comes with all parts I need and work pretty  ............ /enviromoto.ecrater.com/p/16137104/enviromoto-72cc-big-bore-kit-with  There's many more from searches  ............  for some reason I keep coming back to the above kit. Anyone tried it or recommend something better? ......
34
Agility 50 / Torque specs
« by 09agility50 on November 18, 2012, 02:07:17 AM »

......  for all the fasteners when installing a 72cc big bore kit? Or any where to find them? ......
35
Agility 50 / Re: Kymco Agility 16+ Upgrades - How's my to do list? Any tips?
« by adrian.bda on November 27, 2018, 11:35:48 PM »

......  the displacement. Nowdays, one can get a decent "big bore" kit, better head, and cam. I think those  ............  quickly - even a bloody Vespa.   I've heard a kit might be the way to go after some more research,  ............  apparently the Big Bore kits doesnt play well with the stock  ............  issue is that i'm not actually able to put a kit on my bike since i'm only 16 - 50cc is the limit  ......
36
Agility 50 / Do I need this on my SCOOTER😉?
« by The moped learner on May 16, 2014, 04:13:43 AM »

......  I ordered this http://m.ebay.com/itm/80cc-Big-Bore-Kit-Cylinder-Head-Piston-Rings-Set-Chinese- ......
37
Agility 50 / Re: kymco agility 50cc -80cc kit
« by JJJoseph on April 29, 2014, 08:37:00 AM »

...... , 10:32:37 PM  I am thinking about doing a 80cc big bore kit to my agility 50cc Any issue that may  ............  me a headache basically lol    The 80cc BB kit makes a huge difference to a 50cc 4T Kymco. It  ......
38
Agility 50 / Re: 2013 Agility 50-72cc
« by blue on June 03, 2015, 05:18:51 PM »

......  [/quote  Sorry about being so blunt. the last few big bore kits I have seen blow up because they play  ............  I always tell riders if they wanted faster get a bigger bike. there are only so much you can do to a  ......
39
Agility 50 / Re: Big valves vs. stock
« by blue on September 06, 2014, 12:39:29 AM »

......  05, 2014, 01:18:12 AM  Im getting a 100cc big bore kit with big valves not like 69mm or 64mm  ............  any of you think ill get better power band with bigger valves here is what im buying   http://m.ebay. ......
40
Agility 50 / Re: 80cc big bore
« by REDKYMCO on December 24, 2011, 11:20:16 PM »

......  never really looked into the idea of fitting a big bore kit but i would have thought as you are  ............  a bigger cylinder then you would also need a larger  ......
41
Agility 50 / Derestricting your Agility Very Easy
« by KymcoFan on July 02, 2009, 08:14:17 PM »

......  and acceleration out of it. Without getting the big bore kit which I will do at a later time when I  ......
42
Agility 50 / Cam Timing
« by Kenho21 on July 07, 2011, 02:44:47 AM »

......  I'm in the process of installing my big bore kit and had to back off for a bit to wait  ......
43
Agility 50 / 125cc Carburetor
« by Scuzz on January 19, 2012, 01:42:40 AM »

...... .php fit an agility 50 to make an 80cc big bore kit work? cheers. ......
44
Agility 50 / Whats you average top speed on your de-restricted A50?
« by streido on September 11, 2011, 12:59:45 AM »

......  see what the poll shows up.  Only 50cc please, no big bore kits.    PLEASE BE 100% HONEST, this is  ......
45
Agility 50 / Kymco agility 50 head gasket
« by scooterman11 on June 30, 2012, 10:22:44 PM »

......  put a 70 cc big bore kit on my agility 50, and i dont have a new  ............  i used a dremel to make the cylinder hole bigger, will I be ok doing this with my stock head  ......
46
Agility 50 / 24mm carb tuning :(
« by Bekass on January 31, 2013, 06:17:16 PM »

...... . some time ago i had installed the 82cc airsal kit with stock head and 24mm runtong carb with 118  ............  jet. now i needed a bigger kit so i went for a 85cc with big bore head  ......
47
Agility 50 / 50cc to 80cc
« by Aaronk on January 07, 2011, 07:06:33 PM »

......  80cc http://cgi.ebay.co.uk/Top-End-Cylinder-80cc-Big-Bore-Kit-Kymco-Agility-50-/160512874086?pt= ......
48
Agility 50 / belt size???
« by myyz on October 25, 2012, 05:08:57 AM »

......  no speed gain after about 57kmh it has a 80cc big bore kit in it with bigger carb and modded  ............  not there. I read another post about a guy with big bore kit and popping noise and he put longer belt  ............  size (measurements)or how to find out what size bigger. ......
49
Agility 50 / 80cc big bore popping noise???
« by myyz on October 07, 2011, 11:27:45 AM »

......  there just installed 80cc big bore kit and a 21mm cvk carby with 98# main jet  ......
50
Agility 50 / Re: Problem NCY 85cc
« by JJJoseph on November 21, 2017, 09:00:18 PM »

......  work anymore   This is a real problem with 50mm+ big bore conversions if the stock head is used. The  ............  the starter can deal with it. Some places offer big-bore cylinder heads, but they're expensive: http:/ ............  the exercise. My current preference is for 47mm big bore kits (75cc) since they work OK (and start OK) ......
51
Agility 50 / Re: 10-12-10...RIP..for now..
« by mikrron on October 15, 2010, 08:36:03 PM »

......  koncking at idle.. i suggest buying a cranck for bigbores (yes they exist) and a big bore kit of  ......
52
Agility 50 / Re: Kymco agility city 50
« by patrykthekymcorider on March 19, 2015, 11:41:39 PM »

......  be cheap and id only have to change 1-3 parts ? Big bore kit would mean swapping the exhaust and  ......
53
Agility 50 / Re: What do you guys think?
« by JC on March 22, 2013, 05:28:00 PM »

...... , 2013, 02:43:55 AM  Not worth it. get a 125 or a bigger scoot. all I have seen never last long after  ............ .   Blue, you don't seem to have good luck with bore kits. What brands/cc size have you used? I've  ............  at enviromoto and he recommended the ncy 72 kit (no head). He said its still reliable and you get  ......
54
Agility 50 / Re: The best exhaust?
« by mrautorock on June 23, 2009, 04:44:11 PM »

......  by installing the 72cc big bore kit and larger main jet, I will not need to  ......
55
Agility 50 / Re: Any more speed?
« by naughty lee on September 21, 2013, 01:02:11 PM »

......  CdI s and big bore kits are not always the answer. Having the  ............  and then gearing it correctly will give you the biggest speed gains. ......
56
Agility 50 / Re: modifying my kymco agility 50
« by blue on April 21, 2014, 11:06:10 PM »

......  seen 2 agiltys get bend cranks shortly after a big bore kit in theam. If you do a big bore kit take  ......
57
Agility 50 / Re: Body Mods and Rims...
« by jaws on September 12, 2012, 02:13:10 AM »

Big bore kit installed
58
Agility 50 / Re: How can i make my kymco Agilty 50 cc faster?
« by joeboy on June 20, 2010, 05:09:01 AM »

......  its an easy mod. But dont believe the hype. The big bore kit, the performance filter and jet are all  ......
59
Agility 50 / Re: Speeds on Agility 50
« by mury on June 10, 2017, 10:23:33 AM »

......  of reaching this speed when tucked in) A80, 72cc big bore kit, malossi multivar, drilled open airbox, # ............  to tuck in slightly to reach top speed) A80, 72cc big bore kit, malossi multivar, drilled open airbox, # ......
60
Agility 50 / Re: Derestricting your Agility CDI
« by tlgibbs on April 14, 2009, 09:22:32 PM »

......  my Agility 50 for now. Other options such as a big bore kit, different exhaust pipes, etc., all cost  ......
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