|
|
Post by 670mafia on Aug 18, 2012 7:50:27 GMT -5
Okay, I just got a ncy 52mm bbk installed with a matching 52mm head. I went from an 80cc bbk. i got a performance camshaft, performance carb, performance exhaust, uni filter, I believe its a koso performance variator w/6g weights, new kevlar belt, that blue racing cdi, 1500 center spring and I think a 1500 clutch spring and just got it tuned from a very reputable moped shop but I STILL haven't seen any improvements!! it won't even go up past 40mph!! what am I doing wrong here!? Can any body help me out please!! I got one of them gy6 vanguard xcaliber 50cc mopeds. I don't know what to do know..  Please help! |
|
|
|
Post by ace420srh on Aug 18, 2012 9:05:16 GMT -5
Ok so One part at a time my friend...test and tune each one... when i put the 1500 torque spring i lost mph on top end because my weights arent heavy enough to open it all the way. I went back to stock spring after changing out roller weights so many times it got to be a pain in the ass cuz i never got the top end back. I got a 50mm big bore kit 2000rpm clutch springs perf. exhaust.
|
|
|
|
Post by millsc on Aug 18, 2012 9:09:18 GMT -5
Your gearing is only going to let you go a certain speed buy new gears 49/17
|
|
|
|
Post by larry001964 on Aug 18, 2012 9:40:01 GMT -5
Lets see, return all the hp springs to stock ones in your clutch, 49/17 gears in the tranny, 7 to 8 gram sliders in your variator, drill 4 3/8 holes in the underside of your airbox lid, put the airbox back on then..... hang on
I can say you have changed the stock 139 power curve, when you understand this, and in how these parts changed the power curve, you will understand why the stock springs are better. And why heaver weights in the variator are better as well.
|
|
|
|
Post by carasdad on Aug 18, 2012 11:34:13 GMT -5
Ok so One part at a time my friend...test and tune each one... when i put the 1500 torque spring i lost mph on top end because my weights arent heavy enough to open it all the way. I went back to stock spring after changing out roller weights so many times it got to be a pain in the ass cuz i never got the top end back. I got a 50mm big bore kit 2000rpm clutch springs perf. exhaust. Bingo..what he said! ONE piece at a time...that way when you run into a problem...guess what?...you know it was the last thing ya did. Scooters are not like a Crock pot....where you can toss in 10 different things...then come out with a nice bowl of beef stew. Also your speed is limited by your gearing...you could put a 350 Chevy in that thing..and still get the same speed..due to the gear ratio...  |
|
|
|
Post by 670mafia on Aug 29, 2012 14:29:36 GMT -5
Lets see, return all the hp springs to stock ones in your clutch, 49/17 gears in the tranny, 7 to 8 gram sliders in your variator, drill 4 3/8 holes in the underside of your airbox lid, put the airbox back on then..... hang on I can say you have changed the stock 139 power curve, when you understand this, and in how these parts changed the power curve, you will understand why the stock springs are better. And why heaver weights in the variator are better as well. Sorry for the late reply. I did quite a few research on how everything works with each other. I'm kind of getting it. well it's a slow process for me. I'm trying to really understand how the gear sizes work. the reason is I finally received the 49/17 gears from scrappydogscooters and I just realized that they sent me the wrong size... it wasnt the 49/17 they sent me a 50/16. They are sending me the right size at the moment. would the 50/16 gearing be good to put on or just stick with the 49/17? Thanks! |
|
|
|
Post by 670mafia on Aug 29, 2012 14:35:12 GMT -5
Your gearing is only going to let you go a certain speed buy new gears 49/17 Yeah I just bought new 49/17 gears from scrappydogscooters but they sent me the wrong size. they sent me the 50/16 gears. do you know if the 50/16 is better than the 49/17 gears? I'm slowly understanding how the gear ratio works..  Thanks |
|
|
|
Post by millsc on Aug 29, 2012 15:11:37 GMT -5
try them and if they don't work send them back i thought stock gears were around 50/16 i could be wrong though, i haven't got the gears yet mine maxes out at 48 gps wont go any faster i'm gonna try a dr pulley variator kit its bigger for more belt travel if i gain 2 mph i'm good, actually i'm good now but 50 top speed just sounds great lol
|
|
|
|
Post by 670mafia on Sept 4, 2012 17:04:19 GMT -5
Okay I finally got the 49/17 gears from scrappy and I just installed them yesterday... There is STILL NO increase in speed or what so ever. What am I doing wrong?  I'm not trying to make my moped go for racing, I'm just tired of losing speed when I'm going uphill. I'm slowly trying to understand how everything works together. It sucks that I'm in Hawaii and everyone here is all about 2 stokes. |
|
|
|
Post by millsc on Sept 4, 2012 17:18:48 GMT -5
yours gear are probably stock gears send them back im gonna buy mine from partsforscooters.com
|
|
|
|
Post by 670mafia on Sept 4, 2012 17:36:53 GMT -5
yours gear are probably stock gears send them back im gonna buy mine from partsforscooters.com Whoa I hope not! How can I tell if it is? I'm looking at partsforscooters.com and they don't have a 49/17 gear set.. |
|
|
|
Post by millsc on Sept 4, 2012 17:50:59 GMT -5
thought you said they sent 50/16 gears
|
|
|
|
Post by millsc on Sept 4, 2012 17:52:57 GMT -5
im gonna try the 17/41 set from partsforscooters.com dont want scrappy to send me the wrong set
|
|
|
|
Post by 670mafia on Sept 4, 2012 18:33:08 GMT -5
They did. I gave them a call and they sent me the other gears... lol they also added a paid return label for the wrong gears...  |
|
|
|
Post by rbrooks1 on Sept 4, 2012 19:31:56 GMT -5
The gears are only going to help you add speed to your top end range, meaning that you will be able to go faster ONLY IF your scooter can even do it. I wouldn't up-gear unless you max out your current gears at only 1/3 throttle or less. Also, they aren't going to help going up hills. With the gears (from what I understand) every little bit you add to your top end range, you lose a tiny bit in acceleration. If you start going up hill you're still not going to be able to hit it like a car.
|
|
|
|
Post by imnts2 on Sept 4, 2012 19:54:43 GMT -5
I love it. I have been away for several months and come back to the same old sing song. It's simple. Get a bigger scoot. What speed do you need? Need to run the interstate? A good EFI 250 will do OK if most of your running is short distance. Othe wise you need a 400. Going out there where the traffic runs 60 or so? A EFI 250 is OK. If 45 to 50 will be safe, A good 150 with water cooling and EFI will be all right. An Air cooled 125-150 is ok for short runs of up to 50 but better for 40 to 45. A 50? 25 to 30 is about it for steady running
YOu can talk all you want, you want to ride more tnana little, with a belt CVT machine, by a scoot out of the box that will do the job stock.
sorry but 90$ of the hop up BS is Bull do do.
Cheers
lefty2
|
|
Please help!
Thanks
I'm not trying to make my moped go for racing, I'm just tired of losing speed when I'm going uphill. I'm slowly trying to understand how everything works together. It sucks that I'm in Hawaii and everyone here is all about 2 stokes. 
