Tao Tao 50cc Exhaust help!

[badbowtie89]

I'm new to the scooter world. I recently ordered a Tao Tao CY50-T3 scooter that will be here in 10 days.
I plan on ordering some aftermarket parts, but I don't know what kind of engine it has (GY6???)
I want to order:
Free Flowing exhaust
Free flowing air filter to start.
I'm totally lost on the correct things to get so ANY help/suggestions would be greatly appreciated!!

[azraeille]

Welcome :]

You'll really need to know which engine you have if you plan on doing modifications to it. It should be stamped on the side of the engine. Chances are you have a 139QMB.

But first off, you'll need to do a full PDI on your scooter. Expect to spend the better part of a day on it. x1scooters.com/pdi.html

That is an EXTREMELY important part of getting a Chinese scooter. It'll save you a lot of time and money later on. And it makes your scooter safer and more reliable.

Second, you'll need to do the proper break-in [do a forum search] on your scooter before you start adding performance parts. I know that's probably a bummer to hear but it'll be worth it if you get that break-in taken care of first.

[dinogy6]

When you get it run it for a while talk to other scoot owners and find out what they have done and please read thru all the posts on here to find what you really need.
Take note you have a warranty that may be void if you do modifications during this time.

[badbowtie89]

Thanks for the help. I had no idea it was bad to mod right away. I will go through it all like you said.
Just thought id post and see if anyone has put exhaust on one of these scoots

[doomsday]

Its not that it is bad to mod right away, just that it may void whatever warranty you have on the scooter. If you dont care about the warranty then its not an issue.

[badbowtie89]

The warranty doesn't concern me. Id really like to get it sounding good, but I want the correct fitting exhaust.
I would eventually like to do a big bore, but I need to learn more about scooters first. I know my way around cars, but scooters are new to me

[rich5857]

I would wait, I had a piston fail on me and it was covered by warranty... I mean, my warranty was only three months or something so its not like it was a long time to wait....

[Stash]

my dealer sells Tao Tao, Peace, and Jonway. The 50cc 4 stroke are all practically the same. 139qmb. Some say 1P39qmb but as far as i can tell, there are no major differences. Just about every 139qmb exhaust ive messed with mounts the same to the engine, just minor differences as to extra brackets and such. I find it easier to fabricate my own brackets. less hedache.

[terrilee]

if u change exhaust
be prepared to go nuts
tuning the carb

[Stash]

screw it... just go nuts any time the carb is involved. lol

[mainepeace]

When installing the exhaust, if you know what size jet you have in the carb you can go up 3-4 sizes and you should be fine. At least it's a place to start.

Greg

[timber]

Mar 28, 2012 14:20:58 GMT -5 doomsday said:

Its not that it is bad to mod right away, just that it may void whatever warranty you have on the scooter. If you dont care about the warranty then its not an issue.

Well, I would take the warrantee with a grain of sand anyway, if you read the fine print on some of these warrantees, you'll find that they require all servicing be done by an authorised dealer/technician, especially the 500mile check, valve adjust and so on, or the warrantee is VOID.

I suspect the minute they find out the customer did the work, warrantee is VOID, it's another cute way for big corporate mo-fo's to get out of covering a legitamate claim- just void it if the customer didn't have the work done by a trained, authorized DEALER.

Here's an example in part;


Q: How does the warranty work?

A: ... are covered by a 2-year unlimited mile warranty.

All warranty work must be performed by an authorized Genuine Scooter dealer. Genuine will not ship warranty parts directly to the owner, or to a third party dealership/mechanic.

Warranty work and warranty parts are free of charge, but the costs of transporting the scooter to and from the authorized dealership is the sole responsibility of the owner. Depending on the situation, it's possible you could take advantage of Genuine's roadside assistance program to tow the scooter to the dealership if it cannot be ridden.

If you experience a mechanical issue with your scooter and you believe it is warranty related, please make an appointment with your authorized dealership for an inspection. The dealer will assess the cause of the malfunction and determine if the repair is covered under warranty.

Q: If I install performance parts on my scooter, does that void the warranty?

A: Yes

Your scooter is designed to operate reliably at the factory settings using factory components. In addition, the scooter is only EPA certified (i.e. legal to ride on the street) in stock form.

If you make modifications and/or install performance parts such as big bore cylinder kits, free-flow exhausts, and clutch kits, this not only voids the warranty, but potentially makes your scooter illegal to ride on public highways. On top of that, when you install a performance part, it usually requires additional adjustments (such as changes in the carburetor jetting) that if done incorrectly can cause extensive damage to your engine

[badbowtie89]

I would hope it doesn't break down in less than 3 months. How and Where do I get bigger jets?
I've jetted Edlebrock carbs (on a pickup) before, can't be hard to do a scooter?

[prelude2fast]

Greg at mainelyscooters.com has them and great prices on them... I've ordered 3 jets so far and really fast delivery.. Only took a few days to get here..

Sent from my SAMSUNG-SGH-I897 using ProBoards

[azraeille]

I also imagine [although I've never modded a scooter during break-in] that if you try to do too many mods during the first 500 or so miles, it will be hard to keep up with the more routine adjustments that might need to be made to keep it running well.

Also, unless you just like the looks of the aftermarket exhausts, you might want to consider the more ghetto-fabulous method of drilling one or two small holes in the exhaust as apposed to dropping the cash on the aftermarket one.

Food for thought ;]

[Stash]

i found a black and chrome exhaust on amazon. there was a full chrome one as well. Both were $79 if i remember right. great sound though. I didnt notice any performance difference but it sounds like a beast.

[badbowtie89]

Ok well I decided that I will probably ride the scooter for 500 or so miles then start the modding process.
I think I'm going to do exhaust, air filter, carb jetting, and a cdi box for starters

[Stash]

I took mine off the lot with a 60cc bore kit and a keihin carb with the fuel pump. i blew through 3 sets of rings before I got it jetted right. then i got the exhaust and had to upjet again. I got the oil breather around 1000mi. Then i blew or demolished a piston this week immediately after my first valve adjustment. Ive had a ton of fun and just as many headaches. theres a lot to be said for waiting, but ive found that if you like doing the mods early then go for it. just be prepared for all the fun of fixing all your bad decisions.

I love my mods and all the work i've put in. When in doubt. blow it up. whats the worse that could happen?

[azraeille]

Sounds like your wallet is a little deeper than mine Stash I'm hoping to keep my plate clean of blow ups until I can afford a little more.

What was your fastest speed on a 50cc? GPS verified if you know it.

[badbowtie89]

I also want to make sure its jetted correctly. I heard the carb on the taotaos are sealed. Should I try to buy an aftermarket one? Or can I somehow jet mine?

[Pony66]

Apr 1, 2012 9:36:08 GMT -5 badbowtie89 said:

I also want to make sure its jetted correctly. I heard the carb on the taotaos are sealed. Should I try to buy an aftermarket one? Or can I somehow jet mine?

Ive messed with some sealed carbs, it can be done. I dont waste my time anymore. $28 on ebay gets a carb delivered to my door.

Exhaust and open filter should be the last thing you do. They dont help like on a car. The stock air box works very well.

First look for the 1P39QMB and you probably have a 63cc engine. They benefit greatly from upjetting.
Then lighten your roller weights. You will see the most incremental benefits from those.

[timber]

I think since 2010 all these scooter carbs are the non tamper type due to new EPA regulations or some such nonsense.
Your TaoTao WILL come with a non-tamper carb, it gives you two options depending on your skill level- drilling out the screws and using an extractor then replacing them, or buying a new after market carb as I did.
Mine was $40 shipped, so it will hardly break the bank to just replace it.

My stock carb never ran well from day one, the idle was poor, it would often stall or surge. I put the new one in and the idle is smoooooth like a sewing machine and it doesn't stall or surge.
I did drill out the screws in the original carb but it was a fair chore even with a drill press and screw extractors because the screws are so tiny you have to use a very small bit, and you have to be dead center int he screw because if it wanders as did one of mine you can easily wander into the case threads or the case shell a little and that's bad.

If you try drilling the screws or slotting them with a dremel, be aware that if for any reason you DO mess up somehow, or the bit breaks in the hole it could take several days or more to get a replacement carb in the mail.
I found the screws VERY tight, I don't think the dremel and slot idea will work on all carbs, those screws were so tight there's no way to slot a deep enough slot in the screw without damaging the carb body (screws were recessed) to get a GOOD bite with a driver.


Even the 2 screws on the top where the diaphragm is were so tight that with a brand new screw driver pushing down hard they still stripped enough that they were not coming out with a screw driver.
Their heads weren't large enough to get vice grips on, so I wound up drilling out both of those too.
I only opened it up to see what the original jet sizes were to give me an idea.

[badbowtie89]

Wow, I didn't know it would be that much work to get into the carb. I suppose I'll buy one of those too. Do most of the carbs take the same jets, or are there some that use different threaded ones? Because if I buy a carb, I want to be able to get the correct fitting jets

I wonder what the chances are that mine is a 63cc. Ill be so happy if it is.

[doomsday]

On the right side of the scooter, Look down below the shock on the motor block near the back end. You will see a 6b stamped into it if it is a 63cc engine. It is easily missed if your tire is in the wrong position.

[badbowtie89]

I'll have to check that out. I sure hope it is 63cc

[timber]

Apr 2, 2012 0:38:48 GMT -5 badbowtie89 said:

Wow, I didn't know it would be that much work to get into the carb. I suppose I'll buy one of those too. Do most of the carbs take the same jets, or are there some that use different threaded ones? Because if I buy a carb, I want to be able to get the correct fitting jets

Yeah it was a pain, more trouble than it was worth but I did want to at least find out what size the original jets were so I had a better idea.
Can't say about the jets, just get a new carb and then order a selection of jets for that carb from the same place.
I bought the carb and jets from mainlyscooters, it was a type 1 carb which was what the taotao 50 came with.

[badbowtie89]

Ok I'll look for a new carb/jets
Turns out mine is a 63cc. Has the "6B" stamp. Is there any way to increase top speeds on scooters? I haven't taken mine above 30 mph yet, but was just curious if you could get more top speed on them

[mainepeace]

You should be able to get 40+ with your 63 when it's tuned properly. You NEED a larger main jet, an 80 would be good.

Greg

[badbowtie89]

Ok I'll. Get a better carb and get the right jets.
Does anyone know where my cdi is located? Trying to figure out the right one to get

[doomsday]

Your CDI shouldn't be limited, so I wouldn't think you would need to change it out unless you are worried it would fail on you.