You can be Arctic Cat "APV", "Rave" Ski-Doo or "VES" to Polaris. If you made a 2-stroke snowmobiles in the last 15 years, just the engine is equipped with a probable "variable exhaust-valve power. If this is the case, you probably know you pretty diligent about cleaning them and operation. This is an engine component that should be monitored regularly to maintain peak performance.
variable exhaust power valves to move the unit in whichEngine exhaust. Any change of brand is there to provide the same essential service and that is to vary the height and width of the outlet of the engine speed. This greatly expanded the power range. At low speeds, the valves in the closed position, which promotes more complete combustion. This improves low-end torque and minimizing the unburned gases in the exhaust stream. At high speeds, the valves are open, permitting the optimal flow of the exhaust. This allows the engine speedfree and produce maximum power top end. The old systems were obtained by a mechanical connection that will open and close the valves of the engine RPM based. Modern systems are equipped with electronically controlled engines, the exact position of the actuated valves in the range of speeds. Before the advent of valve manufacturers of engine power was to determine the size and shape of the exhaust port and exhaust pipe. This is because the optimum engine performance, is offered up,Medium or low speed. The feeding tube allows the two-stroke engine into usable energy for the entire range of operating speeds.
Exhaust System
The modern system of power valves is very different from a number of changes over the past 30 years. Yamaha was the first company to success with this concept, see if you integrate a variable valve system in its power to Grand Prix 2-stroke street bikes in late 1970. The technology then made his way to the production line YamahaMotocross and early 1980. Other motorcycle manufacturers soon with their own systems. In the early 1990s, virtually all high performance bikes two stroke ATV has been equipped with personal water craft and snowmobiles performance with variable exhaust valves.
Keep the power valve system is clean of the utmost importance. As the power tubes directly into the flow of exhaust gases can accumulate carbon deposits on valves over time. The depositstructure can change the shape of the exhaust valves of the engine and change the flow characteristics. In extreme cases, the discharge opening is completely clogged and costly damage may occur. Deposits can also hinder the movement of the valve or can be fixed in one place. Each of these scenarios will influence the distribution of power and motor output.
The task of taking care of its own snowmobile supply valve is not complicated. Your service or give instructionsspecific instructions to remove and clean the system. Be careful when cleaning the valves, as you do not want to scratch or roughen the surface. The guide is also a range of special service, and should be followed religiously.
Once the valves are clean, there are ways to avoid premature filing of the valve. First of all is to ensure that the device is properly configured. Too rich casting is an essential factor for this disease. The spokes are Richallow too much fuel into the combustion chamber, and this encourages the formation of soot. If your sled is injected, make sure the system functions properly. Also make sure the oil injection system provides the right amount of oil. Perform regular spark plug readings, as described in the manual. If the values are off and plug the case is not possible, contact your dealer.
Another important contribution to the filing of the inlet valve is the use of poor quality 2-strokeOil. The base oils and additives in cheaper low grade oil can be cooked very quickly in carbon deposits. High-quality two-stroke synthetic oil is known for its clean combustion and drastically reduce the rate of formation of deposits. Good use of quality oils of the finest synthetic base oils and additives, high temperature developed in order to avoid valve deposit of power are. They also have an effective detergent / dispersant package that allows for much cleanerOperation. When it comes to two-stroke oil injector is determined to get what you pay for. Spend a bit 'more than an oil that is specially designed to supply clean valve function of energy not only to improve engine performance, save the headaches and costs that come with an initial deposit supply valve.
Snowmobiles operated at low speed and constant speed can build up in time for the filing. While this type of operation, maintenance, valve Astationary and can form deposits. If the valves are constantly changing positions, which take up less chance of debris and large.
Variable exhaust power valves have revolutionized the ability of 2-stroke engines. With a little 'care and maintenance, providing a smooth operation.
Snowmobile Power Valves - Polaris, Ski-Doo and Arctic Cat Variable Exhaust Valve System Basics
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