Originally Posted by yollie

@uwikz ahahha you love that nova price too. But keep the old carb instead the new one. 10$ cheaper and headache free ahahaha.

I got rust in my crankshat. Can I use rust remove fluid to clean it? I'm not sure it safe or not? There's no coating in 4btt with bad fuel and bad maintenence mine get rusted in 3 days after race