Need some help, am looking for a Compression Tester for small engines. I can get genuine Husqvarna Compression Tester - Genuine Part - 531 03 16-86 My question is , does anybody know if this model have schrader valve at the beginning of the pipe? I have one that doesn't have one and its not good for small machines,wrong reading ,to low due to increased compression space.
for example, such a valve->
for example, such a valve->