B bertsmobile1 Lawn Royalty Sep 5, 2020 #2 Run the engine for 5 minutes or so then turn off and pull the dipstick. Smoke raising out of the tube confirms a blown head gasket .
Run the engine for 5 minutes or so then turn off and pull the dipstick. Smoke raising out of the tube confirms a blown head gasket .
6 63maxcruise Forum Newbie Sep 5, 2020 #3 DJJW said: runs smooth until i engage mower then it makes popping sound Click to expand... My John Deere 335 with 20hp Kawasaki did the same thing. Problem was carburetor missing a Welch plug.
DJJW said: runs smooth until i engage mower then it makes popping sound Click to expand... My John Deere 335 with 20hp Kawasaki did the same thing. Problem was carburetor missing a Welch plug.