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Newbie asking when Yamaha jet boats (not jet skis) went from MR1 to TR1's and whats the HP difference

mtudb24

Well-Known Member
Messages
93
Reaction score
192
Points
62
Location
Michigan
Boat Make
Yamaha
Year
2024
Boat Model
AR
Boat Length
22
When did Yamaha replace the MR1's in the jet boats to the TR1's? For example a buddy of mine had a 2006 SX210 with twin MR1's and were they rated at 110hp and do the new2023 / 2024 AR220's have TR1's at 115hp each?
 
2017. My 2021 AR210 has TR1’s and so does the 2024 AR220.
 
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