Engine Disassembly

1
Engine Disassembly

• Unbolt and remove the upper engine housing

2
Engine Disassembly

• Unbolt and remove the muffler
• Unbolt and remove the carburetor.

3
Engine Disassembly

• Remove the flywheel

4
Engine Disassembly

• To remove the flywheel from the crankshaft, a
  specialized tool known as a flywheel puller is
  required.

5
Engine Disassembly

• Loosen the alternator retaining bolts and remove
  the alternator

6
Engine Disassembly

• Remove the coil

7
Engine Disassembly

• Unbolt and remove the oil pan

8
Engine Disassembly

• Remove the cam shaft.
• Remove the valves

9
Engine Disassembly

• Disassemble and remove the piston-rod assembly

10
Engine Disassembly

• Carefully lift out the crankshaft

11
Engine Disassembly

• Remove the piston and piston rod from the engine
  cylinder

12
Engine Disassembly

• Check the inside of the cylinder for wear to
  determine what kinds of repairs will be required.
• You can use and telescoping gauge to measure the
  diameter of the bore.

13
Engine Disassembly

• With the telescoping gauge removed, use a dial
  caliper obtain the exact bore measurement