Restriction in 2009 Aerox Engine block??

[Jésper ® ³ ³ ²]

I have a 2009 model Yamaha Aerox
Is there restriction in my engine block, so that I can't set a bigger cylinder on it? ... example Stage6 Pro sport 70cc kit

Help please

 

[Fuji]

No there isn't .
you can mount it without problems.

 

[Jésper ® ³ ³ ²]

Thanks