Use a good quality, synthetic motor oil. We use 10w-30 Mobil 1 and we change it very frequently. I can't stress enough the importance of frequent oil changes with a good oil. When [...]

The stock exhaust is very restrictive. After seeing the inside of a stock muffler, we were surprised our 6.5hp Honda could even run with the stock exhaust. Upgrading to a high flow[...]

While working on a clone engine we found an intake gasket had been installed backwards from the factory, constricting the flow of fuel. When installed correctly, the gaskets do not[...]

Make sure the piston is at top dead center (TDC) on the compression stroke. To do this, remove the spark plug. While looking inside the spark plug hole, turn the engine over by slo[...]