It often happens with outboards after several years of use and mainly due to any trouble or damage in the outboard motor’s fuel system or pump. Fuel Pump May Turn Bad:Īnother common problem that few users have already encounter with Yamaha VMAX SHO motors is the bad fuel pump issue.Īccording to those users after using it for years sometimes they experience that the outboard engine starts sputtering or act like out of fuel, and does not run smoothly like before. However, if the reading indicates lower PSI than mentioned or the compression seems cracked, either replace the damaged bearings, rings, rods, gasket head, and other related components or replace the compression. But if the reading is showing the compression level of 80 to 90 PSI, it is still not bad and acceptable. Also, check the ignition coil and replace it, if required.Īlso, inspect and test your compression level and remember 120 PSI is considered very good. Remember to inspect all the wiring and replace wires or fix the connection. After cleaning or replacing, check the ignition spark with the same tester once again to confirm your ignition system is getting enough spark. If the spark plugs are not severely damaged but dirty, clean them. If plugs are broken or damaged, replace them. If you cannot see enough spark in there, inspect whether spark plugs located inside the ignition system are damaged or broken. Mainly, it can arise because of damaged or broken spark plugs, ignition coils, and low compression.įirst, check the ignition spark condition with a spark tester. Misfiring in cylinders can force your outboard motor to lose power, which can eventually lead to other problems such as this one.īut to fix the cylinder misfiring issue, you need to know what causes the misfiring like that. However, if you notice that the prop is already severely damaged and after cleaning the problem will not solve, replace the propeller immediately. So, use the Rough Cast Mag Wheel Cleaner, Hydrogen Peroxide, or Calcium Lime & Rust Remover for cleaning the existing debris, or spot on your prop. Sometimes, excess amounts of seaweed, fishing lines, or other corrosion material get tangled around the propeller engine and also can gradually damage the prop blades. Therefore, thoroughly check the propeller for any potential damage such as bends, nicks, cuts, or cracks. Outboard may fail to get on the plane because of a bad or damaged propeller. There can be various reason which may ultimately lead to this commotion, and it is one of the most common issue arise with most outboard or boats. Some of the Yamaha VMAX SHO users has mentioned their struggle to get their outboard on a plane.Īccording to those user’s experiences, sometimes the outboard either visibly struggles or takes more time than usual when they try to get it on the plane. Trouble In Getting The Outboard On A Plane: Trouble In Getting The Outboard On A Planeīad or damaged propellerMisfiring in cylindersġ. In today’s article, I will reveal and explain the most common problems that may arise while using any of the Yamaha VMAX SHO series motors. Still, some common troubleshooting issues may occur with these series. The Yamaha new VMAX SHO series of outboard motors is the true definition of what people can expect from an outboard or boat motor to enjoy the competitive fishing experience on the water.
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