front sprocket problem...Please help me.

[etiko87]

My ride is Qingqi Sport Qm 125, (rebranded Sinnis stealth 125, in the UK)

Front sprocket that I need:

Fotografia0743_zps33f6fe2f.jpg

Front sprocket that I found on ebay, searching by sinnis stealth...

$_57.jpg



So what i really want, is to find an front sprocket 16T that fits really on my bike...

Previous I made mistake buying that one, and it doesnt fit(obvious):
$_12.JPG


thanks in advance! hope can get the proper help, to solve this mistery! lol

[bikerdoc]

The QinQi (轻骑)16T sprocket (链轮) you are looking for is easily available here in the mainland... If you cannot find a replacement for yours then PM me and I can help you obtain one or two... sorry can't help you locate a replacement in Portugal though. The lower pictured sprocket is for a QinQi 125-2 and is a 13T.

[humanbeing]

This? http://www.jtsprockets.com/catalogue/sprocket/JTF410
---
Contact them to find the local seller / suitable sprocket (w/ measurements ): http://www.jtsprockets.com/contact/

[etiko87]

thanks for ideas, i will to find out the best way to solve this.
for now i trying to told my local seller, that 16t exists, because on his catallog they see exact same thing on http://www.jtsprockets.com/catalogue/sprocket/JTF410 , that only have (max) 15t.
But i showed to them the upper picture, that proves the existence of 16t...
I now have to wait.

Sorry poor english...

[etiko87]

Thats a bit strange, the exact same bike, Qingqi sport 125 / Sinnis Stealth 125, has different front sprocket mounts... i dont get it... lol

[humanbeing]

16T [JTF417/JTF425/JTF1263] is similar pattern BUT the thickness …
That pattern is on Korean made suzi (& clone) in most case. Why it's on there (prototype… ??? ) will remains a myth until Qingqi told u.

[etiko87]

Who knows... maybe it has to be about different gearbox?
Here in portugal SM models came with more common sprocket, and it has different gears.

What im 100% sure, is that i feel to need one more extra gear, so plus 1 teeth are wellcome. Lol

Yesterday i took a ride with another bike like mine but with no mods, and the gains is huge! It feels like i have about 2/3 more horsepower! Maybe 15/16 in total.

My carb is now with 110 main jet, and my mechanic adviced me to put it one 115. Im on stock 125cc barrel. Isnt that too much?