Ultima SHOVELHEAD ENGINES Spezifikationen PDF herunterladen (Seite 7)

FIG. 1

General Information

Compression Release Valves

All Ultima

Shovelhead engines are supplied with manually operated

push button compression release valves. These valves aid in starting

your engine and can greatly increase your starter and battery life. To

operate these simply depress the Top Cap as shown in Figure 1 and they

will pop back up automatically once the engine is cranking. These are

designed to help the starter to begin spinning the engine by providing a

small bypass hole to relieve compression as the engine is rotated. When

the cylinder pressure overcomes the CR valves spring tension it

automatically shuts. After prolonged use, valves can become sticky and

closing can be slow. A slight blip of the throttle while the engine is

running should shut the valves immediately.

COMPRESSION RELEASE

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Ultima SHOVELHEAD ENGINES Spezifikationen Seite 7