What upgrades should I get for my 50cc Yamaha aerox?

[aeroxbud]

The Gurtner main jets are not as readily available as the Dellorto ones. You can get them though. What country are you living in?
It would pay to check your carb and see what it is. The early ones had Dellorto carbs. My 2008 had a Gurtner carb. I'm not sure when they changed over.
You can get a jet pack for the Gurtner carbs starting at a 75 jet. Which is probably somewhere in the region 75 to 85 where you would most likely end up. www.scooter-center.com/en/main-jet-set-bgm-pro-for-gurtner-75-98-75-78-80-82-85-88-92-95-98-2599108?number=2599108

[skureto]

I live in Bulgaria an thanks for the information

[Lucass2T]

Oct 6, 2024 7:01:12 GMT -5 Zino said:

to narrow down which yasuni pipe is so we can give you better advice

sport pipe( these a lower rpm and stock cvt setting are not far off what you need)
Is it all black with no separate silencer so the exhaust flow straight through it

Expansion pipe (these are higher rpm and the higher end they are the more you have to adjust the cvt for the tighter power band)
These pipes have a separate silencer that sits above the exhaust pipe
does the silencer have bolts only to hold it to the rest of pipe hold it on then its a Yasuni Z
Is the silencer held on with a spring ?then it is a Yasuni R or a higher end pipe

If the silencer is held on with a spring count the zebra stripes on the pipe this will help identify if it is a higher end pipe than the Yasuni r

Nice explanation dude! Sometimes I forget how common certain details are to me which totally aren't for others. Great job👍

[skureto]

It's an yasuni z

[ignelioo]

i wouldnt suggest the mallosi sport, its not that good. if u want power i suggest dr evo cylinder, if you want reliability polini sport cylinder, both dont need new crank. if you are changing crank i suggest streetrace cylinder, but you will need a stronger exhaust and a bigger carburator