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  1. 2

    How many needle bearing pins for an F140 crankshaft to connecting rod bearing?

    8237 Ser 9424117. Rebuilding this engine and ordered a NOS set of needle bearings OMC number 677963 for the connecting rod to crankshaft bearing. Dummy me lost a few needle pins when I disassembled the engine. There were 34 needle pins in the sealed package stuck together with some sort of...
  2. 2

    Ignition coil ground wire operation L21ZPN?

    1989 L21ZPN with the handle lever / bar actuated flywheel brake and coil ground wire combination assembly. Does the wire from the switch tab to the coil tab need to be grounded to run or grounded to stop the engine? I also have a 1979 8237 and I am pretty sure the off / on switch on the shroud...
  3. 2

    Lawn boy F 140, need parts for my 8237's

    Google search parts diagram pdf for your 8237. You will need the serial number to get the correct part numbers. Once you have the part number you can Google search for example Lawn Boy 611396 seals. These are the top and bottom crankshaft seals. I have had no problems finding all the parts I...
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