Which way do pistons go in?
The DI piston has a forward facing arrow while the standard 4-valve piston has a backward facing arrow. In high-horsepower and/or high-RPM applications, the clearance of the pistons to the valves is very important.
Should you put oil on piston rings before installing?
It’s a good idea to apply some oil to the wrist pins. If you want to lubricate the rings as they pass through the compressor, you don’t need to use oil at all. It’s not necessary to dunk the ring assembly in oil.
Where is a piston ring installed in the piston assembly?
The grooves in the outside diameter and a dot on the side must be installed with the grooves at the bottom of the piston and at the top. After installing all the rings on the pistons, it’s a good idea to check the rings on the pistons to make sure they are installed correctly.
How is the piston connected to the crankshaft?
The connecting rod is the part of the engine that connects it to the crankshaft. The connecting rod and crank work together to make the crankshaft rotation.
Why would a chainsaw have low compression?
Problems with the compression can be caused by an air leak in the internal engine, usually around the gasket and seals. Before the problem can be solved, the entire engine needs to be disassembled.