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  1. J

    No Hot Start Briggs & Stratton Model 100202 (circa 1980s) 4HP, Pulsa-Jet Carb

    Did not re-lap the valves. They looked good, see pictures. Did not want grit to get inside engine. I would have had to totally disassemble and clean everything. Torqued the heads to the specified 140 psi with original gasket. I would expect heat to reduce any leak due to expansion, since it...
  2. J

    No Hot Start Briggs & Stratton Model 100202 (circa 1980s) 4HP, Pulsa-Jet Carb

    Its a 100202 with the pulsa-jet as shown above from the Briggs service manual. Found another spark plug from another mower. Started up immediately and I ran it for about 5 minutes. Got to normal operating hot. Restarted ok after a few turns (more turns than when cold) Shut it off a few times...
  3. J

    No Hot Start Briggs & Stratton Model 100202 (circa 1980s) 4HP, Pulsa-Jet Carb

    Yes I was considering the spark plug, but I did not have the correct one on hand. I'll need to purchase the right one tomorrow. Thanks for your support.
  4. J

    No Hot Start Briggs & Stratton Model 100202 (circa 1980s) 4HP, Pulsa-Jet Carb

    Yes. I tried adding fuel manually. I have sprayed fuel into the carb (top opening) Then applied the choke (the rear section slides out and blocks off air from the top, most air comes from a pipe that sucks crankcase air/oil mist) Most of the time it would not start, but it would start now then...
  5. J

    No Hot Start Briggs & Stratton Model 100202 (circa 1980s) 4HP, Pulsa-Jet Carb

    Looking for ideas as to what I may have missed trouble shooting. Problem Description: This engine will always Start when it’s Cold and continue to run until shut off. Once warmed up, most of the time it will not start. When fully hot it does not start at all. I’m using and electric drill to...
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