Wholesale Motorcycle Parts Stainless Steel Motorcycle Engine Valve Thunder Valve In&Ex XCD125

Wholesale Motorcycle Parts Stainless Steel Motorcycle Engine Valve Thunder Valve In&Ex XCD125

Several valve forms of the valve train:

According to the valve position, the valve types of the four-stroke engine valve train include side valves (SV), overhead valves (OHV) and overhead camshaft valves (OHC).

1. Side valve: From a structural point of view, the side valve is the simplest, but due to the poor anti-knock performance and high-speed performance of the engine after adopting this valve form, only engines with low compression ratio and low speed can be used. Sleepy leather is no longer used abroad.

2. Overhead camshaft valve: In terms of performance, overhead camshaft valve is the most ideal. It can meet the requirements of high-speed, high-compression ratio and high-power vehicles. At the same time, it has good economic efficiency, so it has been widely used. Applications.

3. Overhead valve: its structure is more complicated. At present, most countries such as the United States, the former West Germany (R series motorcycles produced by BMW plants) and other countries continue to use them due to production habits.

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