Saving Old Seagulls

Yes it does. I have checked this twice.

The serial number is F 639F7. I have a Villiers carburetor. I have checked the fuel level after the engine quits by shutting off the fuel tap and removing the nut on the bottom of the float chamber. Fuel will pour out around the bottom nut.
The fuel supply has 2 filters which are clean (fuel tap and ...

Thanks for your reply. I am wondering now where it would leak to. The compression has stayed at 125psi even when the engine is warm and after it has failed. However, this intake port is on the back side behind the piston so if there is a leak there it would not be reflected in the compression. I may ...

Hi,
I have posted my engine problem under "Unruly Featherweight" in the General Topics section. Unfortunately, I have not been able to diagnose the problem with this engine and am out of ideas. I have twice disassembled this engine completely trying to find the problem and have been unable to. I ...

Checked vent cap. The passage is completely open.
Marcelo

Thanks for all the suggestions.
I have checked everything that has been mentioned. The water passages are clear. My concern at this point is a crankcase leak through the bushings although I don't know if this is significant enough to stop the motor after it has warmed up.
Marcelo

Hi,
I purchased a 1967 40 featherweight 6 weeks ago. When I first started the engine it roared to life on the third pull and then ran just fine for 4-5 minutes after which it started to rev up and down and then quit. When I would try to restart it the engine would either run for a few seconds or ...