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"engine sync" on or off?

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FrankM

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Boat Make
Scarab
Year
2019
Boat Model
215 ID
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215 Twin engines. In my settings menu I have the option to turn "engine sync" on or off. I know what this is doing. My question is under which circumstances I want sync off and when do I want sync on? Or always leave sync on?
 
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WaveJunkie

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Thought your supposed to run both as water will enter the one that is not running.
 
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FrankM

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WaveJunkie said:
Thought your supposed to run both as water will enter the one that is not running.
Click to expand...
Both engines are on. If you turn "sync" on the computer tries to sync their rpm. If "off" they are slightly different.
My brain says "keep always on". But why do I have the option to turn it off? Do I ever want to turn it off?
 
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WaveJunkie

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Do you have a key for each engine?
The only time I could fatham would be if one isn't running properly.
 
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FrankM

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I have a 2019 215. 1 key and 2 start buttons.
 
Joatmon

Joatmon

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I would think "un syncing" would put an undue stress on one engine. Now, this may be necessary. I had to come in with only one engine due to a pump locking so tight the engine would not run. No issues with water entering the off engine. I saw no evidence that it did anyway. With the Scarab closed water cooling system it shouldn't be an issue using one engine. It got me back to the dock.
 
MD23679

MD23679

Jet Boat Addict
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KUWAIT
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Scarab
Year
2018
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Joatmon said:
I would think "un syncing" would put an undue stress on one engine. Now, this may be necessary. I had to come in with only one engine due to a pump locking so tight the engine would not run. No issues with water entering the off engine. I saw no evidence that it did anyway. With the Scarab closed water cooling system it shouldn't be an issue using one engine. It got me back to the dock.
Click to expand...
NEVER RUN THE BOAT MORE THAN 5 MPH WITH ONE ENGINE OFF !!! IT CAN BACK UP INTO THE EXHAUST PORTS OF THE ENGINE AND FILL THE CYLINDERS WITH WATER AND THAT WILL HYDROLOCK IT. JUST USE WHAT I DO AND YOU'LL BE SAFE ... $15 WOULD SAFE YOU THOUSANDS OF DOLLARS ... ON-OFF VALVE ON THE INLET HOSE WOULD DO THE JOB .
 

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