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Frequently Asked Questions

What is Variable Valve Timing (VVT)??

The cam shaft(s) in a four stroke engine determines when the valves, both intake and exhaust, open and close. Cam shaft(s) are designed with specific duration (the amount of time the valve is closed) and lift (the height the valve opens). Typically a high performance engine will create the most torque near the top end of a specified RPM range. But an outboard motor also needs to have a strong mid and low end torque range. This is where VVT comes in. By varying the intake valve timing by as much as 40 degrees, the cam shaft timing is optimized for low range and mid range torque. This process is controlled by hydraulic pressure from the oil pump. It is all automatic. All you have to do is go boating. Suzuki variable valve timing is standard on the DF175, 250, 250SS and the 300.

As an essential provider of quality outboard motors, service, parts, and related safety equipment, we know that you count on Suzuki to be there for you, every day. We want to assure you, our customers, that you remain our top priority, always. During this critical time, Suzuki will continue its operations in order to meet your essential transportation needs.

Contact your local Suzuki marine dealer for questions concerning service, parts, accessories, or the need for a new Suzuki outboard motor. Please note, Suzuki marine dealers are independently owned and operated businesses, and may be subject to local directives. Contact information for Suzuki marine dealers in the continental United States and Alaska is available on this website.

Stay Safe. Keep a Healthy Distance. Enjoy your Suzuki.