A: Yes. The U15a’s power supply stores up to 400V DC (in Rev A with PFC) or 350V DC (Rev B/C). Discharge the main capacitors by shorting them with a 10W 1kΩ resistor as described in Section 1.3. Failure to do so can be fatal.
: Issues like "thumping" sounds often require checking the active voltage of the power supply and inspecting smoothing capacitors for factory defects. Beta 3 U15a Service Manual
Before diving into the service manual, let's take a brief look at the Beta 3 U15a. This 15 horsepower outboard motor is designed for a variety of applications, including recreational boating, fishing, and water sports. Its compact design, lightweight construction, and advanced technology make it an ideal choice for boat owners seeking a reliable and efficient outboard motor. A: Yes