The first stroke of a cycle is the intake. The piston moves down to BDC, making space in the cylinder for fuel and air to be sucked or injected in through a valve. The compression stroke comes next.

All three are two-stroke engines with notable performance figures in the 30-50 HP range. A three-cylinder motorcycle engine smaller than the models mentioned above also exists, but it was a custom ...

so a little cylinder wear was fine. The key ingredient is the crankshaft of the 400 SBC with its 3.75-inch stroke replacing the stock 350 crank with its 3.48 inches of stroke. There's no question ...