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MJ-1-DP Jack Plate 4'' Setback Small Engine Jack Plate w/ Wooden Mounting Block
For Outboard Motors Up to 35HP
4'' Setback Jack Plate, Manual Add Distance Between Engine and Transom
- Extends 4" off transom. Small boat that made for short shaft outboard engine equipped with a long shaft engine which results in not optimal performance and handling. This jack plate is designed to firmly attach to the transom and provides a higher mounting position for the engine.
- Improves performance and handling of smaller or lighter boats. Allows long shaft motors mount to shorter shaft transom boats.
- Engine mounting surface 11-1/2" x 10", 3" Vertical. Width 17", Max weight capacity: 150 lbs.
How To Install Jack Plate for Outboard Motors?
Step 1
- Place the Jack Plate in the center of transom.
- Clamp Jack Plate in place and drill six holes. Using six bolts (minimun size of 3/8”) mount jack plate to transom. Use washers, lock-nuts and protective sealant around bolts. Tighten all bolts then remove clamps.
Step 2
- Mount engine to Jack Plate. Make sure that the wooden block is inside Jack Plate. Tighten engine mounts securely.
- Drill two holes in the bottom of engine bracket and bolt bracket to jack plate with bolts, washers and locknuts. Be sure to bolt through wooden block.
greg
Reviewed in the United States on January 21, 2025
Quality is good, make sure you do your measurements and try to line it up where you think you're going to need it otherwise you're going to be unbolting it to adjust it. Another thing that consider is you're going to have to make sure it's 4 in or more above your existing transom. Because there might not be enough clearance for your clamps of your outboard motor.
David Russell
Reviewed in the United States on January 1, 2025
Pretty simple. Does what it’s supposed to
Oneblueyedog
Reviewed in the United States on July 7, 2024
Find the center of the transom. Use sturdy C-clamps to hold the mount on the transom, centered and at the correct height (cavitation plate of outboard in line with the bottom of the boat). Pick which divots that will go through the transom board after drilling and mark them with a pen or pencil. Make a mark around the mount after you're sure it's centered and at the right height. Remove the mount. Drill the holes with the correct size of your bolts (stainless steel hardware). Use a sharp drill and go slowly so you don't drift the hole (I used a drill press, aligned and clamped for each hole. After the holes are drilled, re-clamp the mount on the boat where you marked it and then drill the holes through the boat. I used silicone seal on the bolts, holes and fender washers with a lock nut on the inside, tightened well. I cut the excess threads off the bolts so they wouldn't snag things, like flesh and fuel lines.
Jay
Reviewed in the United States on June 16, 2024
Pierre Lemieux
Reviewed in Canada on May 11, 2024
J’avais un 25 hp long shaft sur un transom mesurant 16 pouces., l’eau lançé par le moteur montait sur l e transom. Cette plaque a remédié au problème . Facile à installer, solide
Hank
Reviewed in the United States on December 17, 2024
I purchased for my 9.9' Bris inflatable dinghy. The quality is super solid although the pure wood on the inside made me a bit concerned about longevity. That said, I ended up returning because this piece is incredibly large. I have transom wheels installed on my dinghy and there was no way to mount this with the wheels. A choice had to be made and I decided on the wheels in stead of this mount. I do think it's worth the price though.TL;DR: Just make sure you get accurate measurements of this piece so that you're confident it'll fit on your transom. Great quality, just super large. I couldn't mount with my transom wheels already being in place.
Tom
Reviewed in the United States on October 26, 2024
Works great used it with a 15hp mercury 4 stroke. Edges are a little rough but doesn’t affect the use
John
Reviewed in the United States on January 29, 2024
Bought for long 25hp for short shaft transom. Works as advertised.
Clayton Kelley
Reviewed in the United States on January 27, 2024
I have a 15” transom and a 15” short shaft motor but the motor still sat a few inches low. I was able to bring it up to a perfect hight for maximum performance. A 3” lift is a huge improvement when it comes to running shallow waters
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