r/stihl • u/Limp-Ad-1248 • 5m ago
Has anybody had black oil coming from exhaust?
So I have multiple Stihl hedge trimmers that are all used on the same fuel and oil mixture of 50-1. This one is the only one that likes to smoke when on full throttle. It’s just over a year old starts second pull ticks over beautifully. I’ve just done a service on it which worked briefly but now it’s back to its old tricks. Can anyone please recommend the next avenue to go down? I’m thinking carbon build up in the exhaust or new carb? What do you all think?
Thanks