Thats what it was on mine and it cured it straight away.
Also check the fig. 8 barrel clamp is tight, sometimes it comes loose and it's only secured by one small alen screw in the cylinder end cap.
Thats what it was on mine and it cured it straight away.
Also check the fig. 8 barrel clamp is tight, sometimes it comes loose and it's only secured by one small alen screw in the cylinder end cap.