2021 carb jetting help

[Msimkonis]

Hi I just installed a nibbi pe30 can anyone help with jetting advice?
I have watched a ton of vids and read articles

Currently have nibbi cone air filter, at 600 feet elevation
Started with a 36/120 and it has no power. Tops out around 35mph and really tough to start
Plug is ngk plug and it’s covered in black soot
Any help is appreciated.

[Bruces]

How about telling everybody what kind of bike you have ?

[Msimkonis]

Sorry I have a 2020 tbr7

[Thumper]

I am sure that you installed this on a motorcycle. ;)

Can you divulge the model, and displacement?

[Thumper]

Ahh.... simultaneous model question!

So what jets are in the Nibbi. Black soot means too rich.

[Msimkonis]

36 pilot 120 main

[Bill Hilly]

Your too rich according to your plug. I have a Nibbi 28, and 120 main, and 40 pilot with my needle in the second groove,if I remember right. I just left it as it was. I have a full aftermarket exhaust, and pod filter, and no head porting. I live at about 600 ft ASL. You may want to try a smaller main, and position your needle a little higher. Remember the mix screw is a fuel adjustment on these carbs, so it gets richer as you turn it counterclockwise, not leaner like an idle air would be. If you got a 112 main ,try it.

[Bruces]

30mm carb is probably too big for your bike ,what engine and exhaust work have you done to the bike ?

[CheapThrills]

The Nibbi (PE30) took a little tuning, and seems sensitive to seasonal temps, but I really like it.


https://mymotorcycleblog.com/adjust-nibbi-carburetor-tuning-tbr7/


HTH,

[Thumper]

So it CAN be done! Nice article.

The Nibbi (PE30) took a little tuning, and seems sensitive to seasonal temps, but I really like it.


https://mymotorcycleblog.com/adjust-nibbi-carburetor-tuning-tbr7/


HTH,