Darren Coyne shared a link to the group: YAMAHA JETBOATERS.

I bet we'll be seeing this engine in twin configuration for the 21'ers soon. It would seem to be a pretty awesome setup.

18 comments
  • i like it

  • I was thinking the same thing. Twin TR1's in a 212 SS = my. perfect. boat!

  • wonder how much faster and more efficent they are. i havent seen the purpose to upgrade from my 04 just because its cheap and paid off and same engines and speed as the new boats, which ya the new ones are alot nicer but i got pets and kids all over my boat for now maybe when these come out in a 240 platform ill upgrade

  • I appreciate this being shared, I hope reliability is not compromised. I do trust Yamaha, as many of you know this is not surprise, the 4 cylinder apex snowmobile is barely available and likely going bye and is replaced by a 3 cyl. Keep in mind the REAL story of why Sea Doo is out of the boat business is lack of motor reliability. Sea doo has a long history of under cylindered over HP motors that do not last. They have a devoted Jetski and sled following, but this because a lot less cool when people started loading up the family and getting to the middle of the bay and blew a motor. The Merc motor experiments they did also caught merc when they had a “melting gear” issue. Funny they still sell just the motors to several startup jetboat companies, Scarab, etc….

    The biggest problem with Yamaha boats and weight was the smaller twins, with the 4 stroke ar210 weighing 1000 pounds more than the old 2 stroke. That’s a little piggy, and a completely different object to tow.

  • Never been a fan of any 3 cylinder engines. Maybe they finally have the quirks out; but I am old school and would much rather go with bigger is better. Twin turbocharged sixes maybe :)

  • I really wish Yamaha would publish their torque specs. I have tried and tried to find some for their watercraft engines but have not been successful. My basic understanding is that more cylinders equals more natural torque output. Even though HP may be up on the new TR-1 over the MR-1, I wonder if they have been able to keep the torque up. I want that torque to get me on plane fast and my boarder/skier out of the water with ease!

  • The longevity is my issue also i have a 2004 SX230 with original engines and runs amazing and half its life before i got it in 2012 was in the alantic ocean

  • Mine is a 2006 or 2007 sx230 ho and even as bad as I beat it up, it seems to take it; but I do try to keep good quality oil and plugs in it. I just wish it had a bit more power. :)

  • really more power what you doing poker runs hahah:) i use mine on lakes and once a year i got to the sound to whale watch off my boat and it does everything i need and more and when i pull tubes its a huge 4 person tube and it pulls great

  • I agree on all points and would add stress response to torque

  • I feel the need....the need for speed. It's a rocket out of the hole; but top end is where I feel it is lacking. They need to make one to cruise the tops of the rough stuff at 75+

  • haha you need a cig speed boat they cut water at 60-130 mph hahah

  • Garrett A. Wells I was looking at an older one...problem is I can only afford the boat....the motors and out drives are the problem...lol

  • right hahah

  • That's funny. It's the same engine they have been using in snowmobiles for years. First the nytro and now the viper. 3 cylinder 1049 cc. In the viper and nytro its dyno'd around 138 hp so I'm hoping they juice it up for the boats.

  • so maybe a little off topic but i have the sx230 with the mr-1's and it runs great and i rode on a ar 230 with the high output mr-1 and it didnt seem much faster for hole shot or top speed but they have 40 hp more combined then i have

  • I have seen this between my fzr and non supercharged 1800 skis. Remember HP has NOTHING to do with speed (directly that is). Hp may be needed to get the impeller to the correct RPM under load but hp moves weight, that's it. Many times people change 250hp out boards out for 150hp's and slow way down, heavier and less rpms.