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Winterization ?

Jim Davis

Jet Boat Addict
Messages
70
Reaction score
31
Points
107
Location
DFW
Boat Make
Yamaha
Year
2021
Boat Model
255XE
Boat Length
25
For the motors with Super charger do you still spray fogging oil through the intake or just spray it when changing plugs? Don't have the MX manual for 255 yet and I've never messed with the SHVO motors. Thanks for the replies in advance.
 
I do not have a Super/charger fogging an engine is to lube the rings so they don't corrode and stick the the cyl wall causing a broken ring on start up. Personally removing sparks plugs and spraying oil into the cylinders is a much better way to lube the rings............just put the plugs back in and call it a day.
 
Beautiful boat BTW........... Just out of curiosity how well does the Super charged SVHO move that boat.
 
Yep what @David Martin said - its hard on the sensors in the intake. To expand on this, I think attempting to get some fogging oil sloshed up on the valves is beneficial too so I always pull the lanyard and turn the engine over a few times after spraying the cylinders. And I'll further note, even though some do still fog through the intake... the super charged engines are an exception to that method - I've heard that you should never fog a super charged engine through the intake.
 
Thank you for the replies gentleman. And I will take the advice.

David the boat moves out pretty good. The hole shot is good and if your on plane and hammer it the acceleration is impressive. At least to me it feels pretty great. Top speed is 55 with maybe a little left if I was to let it run wide open longer.

Thanks again.
 
Wow that great speed for a boat that size and as well appointed as it is. Tower,extra nice seats and the like add weight.......Love it.
 
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