He verified this by doing the above linked test which showed no crankcase vacuum at idle.
Crankcase vacuum tester.
Azuno compression tester kit 2nd generation digital compression gauge 200 psi with adapter hose 8 pcs set deluxe case petrol engine small engine cylinder compression tester 164.
There is some argument about whether to do vac first and pressure second or pressure first and vac second.
8milelake fuel pump and vacuum tester gauge leak carburetor pressure diagnostics 422.
Always gently rotate the crank in each direction to disturb the seal lips and verify that they hold under vacuum.
Price 19.
The adapter supplied are 10mm 14mm be sure to check out my ebay store for more parts and accessories.
The morning i went out to replace the pcv.
Next pull a vacuum on the crankcase and see if that holds.
Not wanting to replace the cover i ordered the pcv valve replacement from ecs.