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  • Guest, we are pleased to announce that Hydrophase Ridesteady is offering an extra $100 off for JETBOATERS.NET members on any Ridesteady for Yamaha Speed Control system purchased through March 7th, 2025. Ridesteady is a speed control system (“cruise control”) that uses GPS satellites or engine RPM to keep your boat at the set speed you choose. On twin engine boats, it will also automatically synchronize your engines.

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  1. B

    AR230 MR1 FX140 Startup Procedures after Rebuild

    Hello All! Can any of you mechanics or people experienced with replacing and rebuilding these MR1, FX140, or any jet ski type engines with pumped oil systems, tell me how to prepare to start these for the first time after rebuild but before the oil has a chance to circulate throughout the...
  2. Dan2poole

    SBT Engines Install - 212X 2010

    Hi All, We have recently had a few issues with the stock 212x engines on our 2010 jet boat. As we are located in the Middle East (Oman), it was significantly difficult to obtain the correct parts/ repair, therefore decided to purchase 2 x brand new SBT engines from the USA and ship to Oman for...
  3. C

    New SBT motor will not start. Yamaha MR1 HO

    This is turning into a very frustrating situation. I purchased a new/rebuilt yamaha MR1 HO motor for an SX230HO from SBT and it will not start. The motor turns over, verified spark, fuel injectors are spraying, fuel pressure good and compression on all 4 cylinders, the only thing left is timing...
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