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Post by mrsunsett on Jun 16, 2016 0:25:55 GMT -5
So guys.... i have a hilarious problem...my wife got so jealous when i got the honda pcx.... she msde me get her a 50cc and teach her how to ride it (she is 28 and never ever in her life has been on a 2 wheeler, she wants to be able to just have something to zip to her friends house or work whenever she wants to save the 4 doors gas pretty much) So, heres the hilarious problem, she wants tk keep the taotao zummer i originally was gonna get for myself.... but thanks to you guys i wised up and got the pcx. She wants me to "trick out her 50" as she said Lol... my question is, can i put a big bore kit 85cc or 100cc on a taotao??? And if i can, what brand or type yall recommend? I hear that  cc is enough for the little scoots, that the 100 cc 50mm kit is a little much and does not make a huge difference from the 85cc kit.. Give me some insider scoops brothers! My wife wanta to scoot faster !! LOL |
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Post by floridagull on Jun 16, 2016 15:07:45 GMT -5
Get her a license, and buy her a 150?  |
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Post by mrsunsett on Jun 16, 2016 19:04:14 GMT -5
Get her a license, and buy her a 150? She wants to go a little faster, but we cant afford to pay insurance on a car and 2 bikes... shes been in accidents, so her rate is pretty shitty.. thats why im considering doing the swap. |
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Post by Skunk Shampoo on Jun 18, 2016 4:30:03 GMT -5
You could also sell the tao tao and put the cash towards a different 50.
You might find a good deal on a Japanese or Italian scoot that performs better. That's the route I took, at least. Almost. I haven't gotten around to selling the old scoot yet.
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Post by JerryScript on Jun 18, 2016 14:16:49 GMT -5
The 100 BBK is actually 82cc. It should allow you to reach 45mph and the engine will be screaming at high rpm. Anything more and you would need to change the final drive gears.
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Post by mrsunsett on Jun 20, 2016 19:07:44 GMT -5
The 100 BBK is actually 82cc. It should allow you to reach 45mph and the engine will be screaming at high rpm. Anything more and you would need to change the final drive gears. I swapped it, its running a little rich. How do i go about leaning it up??? Do i have to change the main jet for a smaller one??? Running very well though... hitting 50 with no wind in the face pinning the throttle |
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Post by JerryScript on Jun 20, 2016 20:24:04 GMT -5
What makes you think is rich? If it's the same carb and jets, it should be lean now.
If it gives you trouble, back off the throttle a bit. If it stumbles then recovers, is rich. If the engine speeds up (RPMs, not MPH) when you back off the throttle, it's lean.
If you need to adjust for issues at speed, try raising (to richen it up) or lowering (to lean in it) the needle. Moving the clip down or adding washers will make it richer, moving the clip up or removing washers will lean it out.
If you are adjusting for idle, you adjust the air/fuel mixture screw. It's on the lower left side of the carb, and may be covered by a brass cap. To remove the brass cap, you drill a tiny hole in it, then take a body panel screw, turn it into the hole till the brass cap pops out. Turn the A/F mixture screw clockwise to lean it out, counter clockwise to richer it up.
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Post by mrsunsett on Jun 21, 2016 1:09:57 GMT -5
You could also sell the tao tao and put the cash towards a different 50. You might find a good deal on a Japanese or Italian scoot that performs better. That's the route I took, at least. Almost. I haven't gotten around to selling the old scoot yet. You know i told her that i could do that for her before i installed it, but you know wives... when they like something they stick with it... i even offered to get her the Zoomer X by honda but she really likes the cage storage under the Zummers seat (that is the only difference between those two bikes... i promise, looks wise, the only difference is that the zoomer x has no enclosed underseat coverage, the zummer is not rain proof... but it has a cage surrounding the area under the seat, so contents wont fall out.. Thanks for the tip though guys |
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Post by mrsunsett on Jun 21, 2016 1:16:22 GMT -5
What makes you think is rich? If it's the same carb and jets, it should be lean now. If it gives you trouble, back off the throttle a bit. If it stumbles then recovers, is rich. If the engine speeds up (RPMs, not MPH) when you back off the throttle, it's lean. If you need to adjust for issues at speed, try raising (to richen it up) it lowering (to lean in it) the needle. Moving the clip down our adding washers will make it richer, moving the clip up our removing washers will lean it out. If you are adjusting for idle, you adjust the air/fuel mixture screw. It's on the lower left side of the carb, and may be covered by a brass cap. To remove the brass cap, you drill a tiny hole in it, then take a body panel screw, turn it into the hole till the brass cap pops out. Turn the A/V mixture screw clockwise to lean it out, counter clockwise to richer it up. It only stumbles/ stutters from a start. For example, if i rev it a little.. it will lower rpms to stalling area...sometimes it does stall when i do that. But only if i just rev when stopped (which is kind of silly of me to di anywya since its not a manual). But the other thing that prompted me to think its rich is that its eating gas a bit fast, i though when it was too rich that your gas consumption would go up higher than norm. But maybe im just not used to the bigger kit yet, its not crazy guzzling or anything.. its just getting like 67 miles a tank instead of to  . But im just tinkering with everything so that when i give it back to the wife, she wont notice a difference other than pickup and speed. |
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Post by mrsunsett on Jun 21, 2016 1:17:43 GMT -5
But yes to what you originally stated about letting off the gas a bit, it slows down a bit.... but the lower tone rpms go away and it sound higher pitch.
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Post by JerryScript on Jun 22, 2016 21:54:15 GMT -5
If it's stumbling off the start, it could be the needle or the accelerator pump (if you have one).
First, try taking some bend out of the accelerator pump lever, that will make it deliver less fuel when you first twist the throttle.
If you can't fix it adjusting the accelerator pump, then you may need to lower your needle (if it's adjustable). Adjustable needles have a clip and notches, you move the clip up/down a notch at a time to adjust it. To make it leaner, move the clip up a notch, which lowers the needle allowing less fuel out of the pilot jet until fully raised.
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Post by mrsunsett on Jun 23, 2016 1:47:58 GMT -5
If it's stumbling off the start, it could be the needle or the accelerator pump (if you have one). First, try taking some bend out of the accelerator pump lever, that will make it deliver less fuel when you first twist the throttle. If you can't fix it adjusting the accelerator pump, then you may need to lower your needle (if it's adjustable). Adjustable needles have a clip and notches, you move the clip up/down a notch at a time to adjust it. To make it leaner, move the clip up a notch, which lowers the needle allowing less fuel out of the pilot jet until fully raised. Sir, i need to shake your hand in person, perfection by the way. Not only was it an adjustable needle which i made a bit more lean, but ive noticed the gas consumption go down a little more for the better. You're a fricken genius. I would have been breaking apart crap all day, but thanks to you, took me like an hour of finding and fiddling with. My wife also says thanks. |
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Post by mrsunsett on Jun 23, 2016 1:51:41 GMT -5
What makes you think is rich? If it's the same carb and jets, it should be lean now. If it gives you trouble, back off the throttle a bit. If it stumbles then recovers, is rich. If the engine speeds up (RPMs, not MPH) when you back off the throttle, it's lean. If you need to adjust for issues at speed, try raising (to richen it up) or lowering (to lean in it) the needle. Moving the clip down or adding washers will make it richer, moving the clip up or removing washers will lean it out. If you are adjusting for idle, you adjust the air/fuel mixture screw. It's on the lower left side of the carb, and may be covered by a brass cap. To remove the brass cap, you drill a tiny hole in it, then take a body panel screw, turn it into the hole till the brass cap pops out. Turn the A/F mixture screw clockwise to lean it out, counter clockwise to richer it up. Also, its a main jet. If that is too high let me know i have a bunch of jets i can swap out quick. Sorry for all the little spicific questions, just havent delt with the sensitivity of small engines in a long time. |
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Post by JerryScript on Jun 23, 2016 8:30:23 GMT -5
Glad to hear you got her adjusted. IIRC, I used an  main on that size BBK, so your may be a bit rich. |
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Post by scootlife711 on Jun 30, 2016 3:00:05 GMT -5
whats the valve lash supposed to be at on a 100cc the engine is a 139qmb the bike is a tao tao 50 i recently upgraded to the bore kit
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cc is enough for the little scoots, that the 100 cc 50mm kit is a little much and does not make a huge difference from the 85cc kit.. 
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main on that size BBK, so your 
