Super Jet Found the problem!

[tor*p*do]

1990 Squarenose would run erratically, sometimes rip, sometimes wouldn't rev up at all. Pulled exhaust hose and no wonder it wouldn't clear out the waterbox. New hose, back to ripping ; )

!!

 

[tipafew]

Wow. Wouldn’t have thought to check that!

 

[X2Kid]

Sooo, replace hose every 30 years as part of routine maintenance?