Why does my boat speed go up and down?

Why does my boat speed go up and down?

Another possible cause is an air leak in the fuel line. When this occurs, there’s a constant fluctuation in the amount of fuel that’s pumped to the boat’s carburetors, and as a result, the motor’s RPMs go up and down. Regardless of your boat’s throttle setting, the presence of an air leak will greatly…

Why does my diesel engine run so long?

If the fuel valve/outlet has a strainer, it might be clogged. If it doesn’t, the outlet opening might be clogged. In either case, the engine gets enough fuel to run for awhile, then is starved for fuel. Stop the tractor for 15-30 minutes, it starts and runs fine until it is starved again.

Why is my boat running slow at full throttle?

Even if your boat is operational, riding with a spun blade places the propeller at risk for damage. Depending on the severity of the problem, it could leave your boat dead in the water unless the problem is fixed ASAP. Have you checked your propeller for debris?

Why does my Sea Doo engine keep stalling?

It has had cleaner through the gas, new plugs gapped at .5, new filters, and the carb has been taken apart and cleaned. Also, more recently, it has started either stalling or cutting out when going over wake or choppy water. A quick punch of the start button fires it right back up again.

Another possible cause is an air leak in the fuel line. When this occurs, there’s a constant fluctuation in the amount of fuel that’s pumped to the boat’s carburetors, and as a result, the motor’s RPMs go up and down. Regardless of your boat’s throttle setting, the presence of an air leak will greatly…

What can slow down water flow in an engine?

A loose hose clamp or a split or burst hose can also slow water flow, and it can spray damaging moisture around the engine. Prevention: Regularly service and replace the impeller.

How to troubleshoot fuel delivery problems on a Sea Doo?

Check all fuel hose connections are tight and that the check valves freely blow one way, but do not the other (one above the fuel tank and one on the side of the hull from the fuel tank):​ 1. Remove all grey fuel hose (if you still have it) and replace with black automotive fuel hose.