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Building the 5.5 HP Tecumseh

Building the 5.5 HP Tecumseh. Crank, Camshaft, Piston, Lifters. Inserting the Crankshaft. Insert the crank shaft into the engine block with the gear side facing UP The Crankshaft should move freely. Inserting the Piston and Connecting Rod.

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Building the 5.5 HP Tecumseh

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  1. Building the 5.5 HP Tecumseh Crank, Camshaft, Piston, Lifters

  2. Inserting the Crankshaft • Insert the crank shaft into the engine block with the gear side facing UP • The Crankshaft should move freely

  3. Inserting the Piston and Connecting Rod • Using the Ring Compressor tool, crimp the tool around the piston head. • Once the rings are compressed place the connecting rod in the cylinder. • Have the facing the oil valley.

  4. Connecting the Rod and Piston • Adjust the crankshaft so that the counterweight is pointing directly into the cylinder • 2. Next, align the connecting rod cap with the “hump” facing down, to the bottom of the connecting rod

  5. Connecting the Rod and Piston • Align the RIGHT bolt and hand screw the connecting rod cap to the connecting rod. • 4. Align the “oil striker” over the LEFT hole and hand screw in the bolt. • Tighter with ¼ drive ratchet, and 6mm short socket until snug. DON’T OVER TIGHTEN!

  6. Adding the Lifters • Place the lifters in the two slots to the right hand slots on the engine block (They can go in either position)

  7. Adding the Camshaft • Place the camshaft into the slot below the crankshaft. • Carefully push the camshaft into position lining the “teeth” of the camshaft gears to that of the crankshaft “teeth”.

  8. Camshaft Timing Marks • Mark sure that the two timing marks are lined up together. • The “dimples” should be aligned as shown in the picture to the right.

  9. Placing the Gasket and Crank Cover • CAREFULLY place the Crank Cover Gasket on your engine block • Align the cover over the holes on your engine block.

  10. Adding the Crank Cover • CAREFULLY place the Crank Cover over the top of the Crankshaft and gently push the cover down towards the block. • Align the cover over the holes on your engine block. • Tighten down the crankcase bolts to 20lbs Torque Pressure.

  11. HI FIVE! • YOU’VE COMPLETED THE MOST DIFFICULT PART OF THE ENGNE BUILD!! THE DRIVETRAIN!!!

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