Multi Mount for 2019+ Yamaha FX for Double B+B RAM Ball Arm 3 Hole

This is a custom machined Yamaha FX Waverunner multi-mount plate and double RAM ball arm adapter kit for the 2019+ FX models.

The kit includes all needed pieces for one assembly.

Accessories offered by Yamaha typically use a 1” mounting ball. This kit provides two 1” balls (also known as a RAM size “B”) spaced six inches on center.

It provides a strong one-sided double RAM ball mounting solution using the existing Yamaha dash holes and is well suited for holding a GoPro, speaker, cell phone, GPS/sonar fish finders, or any other devices having two 1″ RAM balls.

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The multi mount plate is made from 1/4″ aluminum. It has a plain matte deburred finish and is designed to be a heavy-duty replacement to the factory plates. The arm and plate are pre-drilled to fit any of the RAM ball bases having three equally spaced holes on a 1-13/16″ diameter bolt circle. RAM uses this hole pattern on their 2-7/16” marine aluminum ball bases. Using this triple screw fastener system eliminates potential loosening of a left sided dash installation associated with the Yamaha threaded stud mount design. Both ball bases have been fitted with 1/4” stainless steel button head cap screws and will be surface mounted during your installation.

The arm is made from 3/8” thick aluminum and has a plain matte deburred finish. The design allows you to rotate the cable notch in the multi mount plate to your desired position and also permits the arm to be used on either the left, or the right sided multi-mount dash holes.

You will receive:

(1) multi-mount plate (and fasteners for attaching to dash and arm)
(3) stainless steel hex head M6 bolts
(3) stainless steel M6 flat washers
(2) RAM-B-202U marine aluminum ball base and fasteners
(6) 1/4-20 bright stainless-steel button head hex socket cap screws
(6) 1/4″ ID bright stainless-steel flat washers
(6) 1/4-20 bright stainless-steel nylon locking nuts
(1) arm for mounting two RAM balls six inches center to center
(1) 3/4” thick black marine grade spacer

2019 FX MMP RAM B+B 600 OC 250 ESH x3 PMA

Request Additional Information

Due to the specialized nature of my products (every installation is unique), this item cannot be purchased online. Please use the button below to submit a product information request and I will contact you (usually within 24 hours) to complete your order. 

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Shipping Info

Shipping Info: All parts will be shipped in a heat sealed clear poly package.

No rush U.S.P.S shipping is free within the U.S.A..

No rush shipping has a three day handling time plus shipping transit time.

Priority Express (1 BUSINESS day) shipping will be $25. If you pay extra for Priority Express shipping, then I will have the parts in the mail the next U.S.P.S. BUSINESS day.

International buyers will pay additional shipping cost based on weight and package size.

Refund /Returns

Please note, returns will incur a 25% restocking fee. Buyer is responsible for return shipping costs, label, and tracking info.

I do not issue refunds on any parts that have been mounted, used, damaged, or have missing pieces.

Buyer must contact me prior to return for authorization.


BoonDocksPWC uses the following registered trademarks in product descriptions. These registered trademarks (RTM) are the property of the following companies:

  • GoPro is a RTM of the GoPro Company
  • Garmin is a RTM of Garmin Company
  • RAM Ball is a RTM of the NPI RAM Mount Company
  • Yamaha is a RTM of the Yamaha Company
  • Lowrance is a RTM of the Navico Company
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