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12123 Briggs and Stratton Engine - Instructions

All Instructions for the 12123
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Mistreated Briggs & Stratton 206 CC Engine on MTD Chipper
Removed tank and drained old gas.
Removed and disassembled carb. Needed new gaskets and seals, and had to clean corn syrup glaze (separated ethanol) from bowl and everywhere else with carb cleaner.
Throttle linkage was de-plating/rusty. Steel wool and WD40 got it moving again.
Cleaned spark plug electrode.
Reassembled, poured Sea Foam in the bottom of the tank and gave it a few pulls.
Let Sea Foam sit for a while, then filled the tank with Premium.
Blew white smoke for a minute then ran like new. Shredded for a while, then changed the oil.
Parts Used:
Kit-Carb Overhaul
  • Dana from HAMMOND, IN
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers, Socket set
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Parts fit like a glove
Removed pull start assembly down to the crank. Installed motor housing, motor fan & rewind assembly. All went real good.
Parts Used:
Fan-Flywheel Starter-Rewind Housing-Blower
  • Wayne from OOLTEWAH, TN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Socket set
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Starter Rewind broke internally-rope did not work
Removed old broken rewind starter (4 bolts); found the Model and Serial numbers; found Parts Direct and ordered new assembly; upon delivery, reinstalled with new Starter and hardware.
Parts Used:
Starter-Rewind
  • Mark from N FRANKLIN, CT
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Socket set
1 of 3 people found this instruction helpful.
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Generator would not start, Birggs & Stratton recommended to replase Gasket Exhaust.
Remove the spark suppresser, 4 face screws, 2 bottom screws and the two screws the hold the gasket. I also had to back out the top screw of the cover it blocked and prevented the removal of the gasket.
Parts Used:
Gasket- Exhaust
  • Alberto from PALMETTO BAY, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set
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All Instructions for the 12123
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