Stihl 028 AV super wood boss

[SXR800Blue]

Hi Guys,

I have a Stihl 028 av super wood boss that starts and runs just fine. When I open it up it goes and ramps up just fine. It will even cut well for about 15 to 20 seconds then it dies. Once it dies I have to wait for a minute or so before it will start up again. Then I have to tickle the throttle quite a bit to get it to run up again.

What am I missing on this? What could be the problem? I just checked the pulse and full lines and they seem to be good.

Any thoughts or suggestions are welcome.

 

[Tobystihl]

Fuel tank vent?

 

[Argistof]

That as well as make sure your carb high and low and fuel mix are right. And the potential suspicion is a bad diaphragm/leak, so make sure all other things there are good, but a simple carb soak and clean and rebuild and keep and eye out while your rebuild (plenty of youtube tutorials on that) (K10-WAT part # [Link: K10-WAT (On amazon) ])

When I was rebuilding mine I noticed my carb top plate was warped. I hammered it flatter and then sanded it down. It ran fine after that so I'm sure under higher pressures mine was getting a small air leak. But that's why I say keep your eye open