Compression is the same as four stroke, reading the max cylinder pressure that the cylinder and piston can produce. Vaccum testing is a little different, usually you blank plate the air filter end...
Type: Posts; User: No.3
Compression is the same as four stroke, reading the max cylinder pressure that the cylinder and piston can produce. Vaccum testing is a little different, usually you blank plate the air filter end...
Nice and soft might be just as bad as hard if it is the diaphragm pump type. The diaphragm plate should be perfectly flat so it seals, if it isn't it won't work...
Now to be devils advocate here,...