Comments on these leak-down test results

[Jack Shaft]

Remove oil filter,remove brass nut in center of fllter inlet,remove cover.Brass nut has siamese internal and external threads,go easy putting it together.The easiest was to fix sticky valves is to remove sparkplug and spray penetrant directly at the valve while turning the engine over with the starter...key off,plug out,spray,reach across.engine and push starter rod by hand.

[alexiskai]

Originally Posted by Jack Shaft

Remove oil filter, remove brass nut in center of filter inlet, remove cover. Brass nut has siamese internal and external threads, go easy putting it together. The easiest was to fix sticky valves is to remove spark plug and spray penetrant directly at the valve while turning the engine over with the starter... key off, plug out, spray, reach across.engine and push starter rod by hand.

PB Blaster OK for the penetrant?

[Jack Shaft]

Originally Posted by alexiskai

PB Blaster OK for the penetrant?

yep,as long as its flammable..you can actually see the valve work too.80/20 against it fixing your issue but its worth a try

[40 Deluxe]

Originally Posted by alexiskai

PB Blaster OK for the penetrant?

Spray carburetor cleaner works much better. In my experience valve stems get a coating of a varnish-like substance that penetrating oil doesn't cut very well. A solvent like carb cleaner is better.