Introduction: Two-Stroke Lego Motorcycle Engine
This engine works well in any vehicle, but especially in motorcycles.
Step 2: Assemble the Engine Block.
Step 3: Add the First Layer of Circle Pieces.
Step 4: Add 2 More Layers.
Step 5: Add the Larger Circle Piece.
Step 7: Build and Install the Crank Case.
Step 8: Put in the Spark Plug.