Agility 50 big bore 70cc

[TuttoCambia]

for agility 50...
I was wondering if anyone knows..what do you need in order to install a 70cc or 85cc kit. can you just install it and run stock on everything else or do you need a larger carb and stuff.
basically..what are the exact parts I need to install a 70cc kit or possibly a 85cc.
im looking to order one and I wanna order everything I need to install it all at once.

thanks

[Kenho21]

Funny you ask, I'm about to install my 85cc kit today as long as it arrives in the mail. I do have one suggestion, if your going to get any kit don't order it from scootertronics.com they have been horrible for me as far as shipping service and quality. Three weeks after I received the kit and went to put it on the piston rings didn't fit. So now after getting the kit for the second time and 6 weeks I'll be able to answer your question. But all they sent me was the cylinder, new head, #95 jet, Uni air filter and gaskets and stuff. I was also told two different things by different people about exhaust some said you need performance exhaust with 85cc kit some said not, anyhow I'm running ncy exhaust just to be on the safe side. Sorry to ramble on but to answer your question I will post sometime this evening to let you know for sure.

Ken

[OldGuy]

While I have no experience with doing this to a KYMCO I will offer a piece of advice. If you use your scooter as daily transportation, "Don't do it!" I have yet to see one of these "kits" that are plug-and-play. Other drawbacks include a serious reduction in gas mileage and reliability. Advice is like wine. It effects you only if taken.

[wordslinger]

While I have no experience with doing this to a KYMCO I will offer a piece of advice. If you use your scooter as daily transportation, "Don't do it!" I have yet to see one of these "kits" that are plug-and-play. Other drawbacks include a serious reduction in gas mileage and reliability. Advice is like wine. It effects you only if taken.

...well spoken...

..and if you're riding ur 49cc in a state that requires registering anything above 49...well there's that to think about...

..aaannd if you are riding ur 49cc because of a DWI, and ur still on probation, there's that State Trooper coming around the next curve to think about...

..i dunno...I've got my machine to the point that it runs 50+ mph downhill, and I maintain 42 or above for 90% of the remainder of the time, and I'm happy with that...for now...

..when I'm ready for more speed, I'm going to buy a bigger scooter...

peace

[zombie]

They truly are plug, and play, and play, and play...! If you like to tune, and fiddle w/ your scoot. more than ride it, aftermarket is the way to go! As for the DOC-FTP! The best advice I can give on mod'in is use all the same manufacture parts. Mixing, and matching only opens doors to fitment, and tuning problems! There are complete kits from all the top dogs, and they have been tuned, and tried before being put on the market. A shop like JIANGWAYNE or MOPED HOSPITAL have the experience to recommend either "full" kits or "stages". Of course you will pay more from them than the guy in a band who owns a scooter shop on the side, but I would listen to the guys who love scoot mods first

[TuttoCambia]

So I just installed the 70cc kit and I ordered the wrong size carb so im goin to try and run my stock carb..anyone have a suggestion..jet size..etc.?
everything is stock on my scooter. I have a #82 jet in the stock carb right now.

[Kenho21]

I'm running #95 jet in my 85cc kit so maybe #85 or something like that.

[TuttoCambia]

do you think it will hurt running a #82? its usually about 80 - 90 degrees everyday where I live.

[Kenho21]

I dont know the answer to that question to be honest but I would run at least a #85 if it were me. You can call the guys at scooter therapy they are really good there they will probly have some better advice for you.

Ken

[zombie]

listen to the post before mine. make the call. I have a #95 jet in a delorto carb on a 70cc malossi kit and still managed to burn a piston. another $50. shot

[TuttoCambia]

I have a #90 in there right now cause I saw thats what they recommend on the kit they sell at scootertronics(http://scootertronics.com/fost80up13.html).

I cant seem to get the scooter started though.
I changed the spark plug..tested the new one before I put it in and it worked..then I pulled it out again to check it and I wasnt seeing any spark(this was all using the kick start cause the battery doesnt last long for starting).
im gonna charge the battery and try again with the elect. start tomorrow.

thanks for all your help guys..im somewhat new to this and its getting a little frustrating for me.

[zombie]

Keep it simple. With all that work you may have just left a wire disconnected, forgot a ground, or just knocked something loose! KEEP ON SCOOT"IN!!!

[TuttoCambia]

ok I got the engine running..butttt when I drove it today the power was cutting out for spit seconds as I would throttle up..so I down jetted from 90 to 85 and the cutting out went away almost completely. It still does it sometimes so i was thinking of maybe down jetting to 83 or 82 but im afraid of running the engine too lean.

my other idea would be to add a high flow air filter with the 85 jet installed.

any suggestions?

[zombie]

Where does the cut out occur. Ie idle-just off idle- 1/2 throttle-3/4 throttle- full throttle. just off idle could be the mix adjust, 1/2-3/4 could be the needle hight,and full could be the main jet. try to narrow it down. I just melted a piston by tweaking too far. It only takes a few dozen revolutions.

[Shaka]

I wrapped some masking tape around the throttle grip and marked off lines at idle and full throttle, then divided those into fourths so I could get a good idea of where I was at for tuning purposes.  This also helps when doing plug chops at those various positions.  Those multi-stage carbs can be a real pain to get tuned!  I still don't have mine quite right, but for now it is livable till I find some more time and motivation to keep tweeking!  Always try to err on the side of rich and NOT lean!