Vacuum pressure testers cam correct crankcase vacuum pressure tester.
Crankcase vacuum tester.
8milelake fuel pump and vacuum tester gauge leak carburetor pressure diagnostics 422.
There is some argument about whether to do vac first and pressure second or pressure first and vac second.
Not wanting to replace the cover i ordered the pcv valve replacement from ecs.
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.
Price 19.
Test kit for testing crankcase pressure vacuum leaks in 2 stroke chain saws trimmers blowers 2 stoke equipment must use a vacuum pressure pump with the rubber block offs and adapter note.
After my local mechanic did a smoke test and checked the vacuum lines he suggested that the issue might be the pcv valve in the cover.
The adapter supplied are 10mm 14mm be sure to check out my ebay store for more parts and accessories.
Next pull a vacuum on the crankcase and see if that holds.