Why does my outboard cavitation?
As you can see, a boat propeller causes cavitation when it operates at high speeds in certain conditions. Pressure, mixed with speed, causes the water behind the propeller to form a vacuum, thereby creating small bubbles or “cavities.”
Why does my 2 stroke engine not run?
The reason the machine will sit idling with no problem is because it is getting enough fuel for the level of engine speed required, however as soon as we try to increase that speed where we need more fuel there won’t be enough available. Here are 10 reasons and fixes to help prevent lack of fuel to a 2-stroke engine. 1. Mixture Screws
Why is my Yamaha outboard engine not working?
Photo courtesy of Sea Dog. Fuel fittings, such as this one, can corrode and clog up, causing significant performance issues in outboard engines. Photo courtesy of Yamaha. Another trouble spot in the fuel delivery department—if you’ve got a portable tank setup—are the snap-in connectors that attach the fuel line to your outboard.
What to do when your 2 stroke engine is flooded?
When 2 stroke engine troubleshooting and the engine is flooded, you want to spin the engine over fast with the throttle wide open several times. You should start to hear it pop, just keep pulling or kicking and holding it wide open until it starts, then rev the engine a bit to clean it out and keep it running, then warm it up properly.
Why does my outboard engine keep getting clogged?
External fuel vents can become clogged with the nest-making materials of spiders, wasps, and other insects. Be sure to check this fitting if you’re having outboard engine problems.
Why does my 2 stroke engine not start?
So your 2 stroke engine won’t start. Maybe it’s a old machine your trying to bring back to life, or a dependable engine that never lets you down. Luckily for you 2 stroke engine troubleshooting is relatively simple. Don’t worry, just follow these simple steps and we will have you back up and running in no time.
Be sure to check this fitting if you’re having outboard engine problems. Photo courtesy of Sea Dog. Fuel fittings, such as this one, can corrode and clog up, causing significant performance issues in outboard engines. Photo courtesy of Yamaha.
How does a new Yamaha outboard engine work?
A new 90 Yamaha weighs 100 pounds more than my old motor. Will an 18 Kenner Vision take that extra weight Engine will start fine idle fine accelerate fine some days it will run great all day and then like a light switch it won’t accelerate above 2500 rpm but … When I try to get on plain and right about 3k rpm it’s like you shut the key off.
What to do if your Yamaha outboard is bogging down under load?
Over temp or low oil level if it is self oiling motor will sound the horn and change the timing electronically to limit the RPMs. So checking timing with a timing light is a must as you will not see the linkage move. Remember that when I flip switch to open…