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2018 SX190 Impeller Torque

Guitarjesus

Jet Boat Lover
Messages
150
Reaction score
62
Points
77
Location
Menifee, CA
Boat Make
Yamaha
Year
2018
Boat Model
SX
Boat Length
19
I know the manual calls for 243 ft lb of torque when reinstalling the impeller. I have no way to measure that with a combination wrench. Since it's reversed threaded, the engine will just spin it tighter technically.

So, should getting the impeller as tight as I can by turning the wrench, then getting up on my bench and standing on the wrench and jam all my weight down be good enough? At least so the engine won't spin it on and over-torque it?
 
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