Also allows mounting of long shaft motors to shorter shaft transom boats
This cast aluminum offset type jack plate is designed for clamp-on mount outboard motors up to 35 HP. Improves performance and handling of smaller or lighter boats. The Mini-Jacker also allows mounting of long shaft motors to shorter shaft transom boats. Mini-Jacker mounts to boat transom with bolts and then engine is simply clamped and/or bolted on. The Mini-Jacker stands off transom 4". The engine mounting surface is 11-1/2"Wx10"H and features a vertical offset of 3". The overall width of transom mounting flange is 17". Mounting hardware not included.
Rated 5 out of 5 by CSMFossil Good Product
Needed this for years. Just look at my prop. Well built and very easy to install. Got not one complaint.
Didn't want to buy something that would cost more than my boat so this was the item and my choice was the right one. Got here fast.
July 26, 2012
Rated 5 out of 5 by Fishythoughts82 Easy fix
This product was great way to solve an expensive problem with my tin boat that had a 30 Yamaha long shaft. It make the boat ride so much better and handles like the water like a bigger boat. I highly recommend this product! I do recomend glossing or marine texting the wooden insert .
June 13, 2012
Rated 5 out of 5 by flatsfishing forget long shaft motors
im a flats fishermen i fish for tailing reds in shallow water on a 14' fiberglass boat i can now go from idle to plane in just 8 inches of water
May 16, 2012
Rated 5 out of 5 by dougw181 Great Product
I purchased the Mini-Jacker so I could mount a long shaft outboard on my short transom boat. It only raises the motor 3" if installed as per the directions. I raised mine 2" above the transom and added a piece of 2"x2" square tubing to the top of the transom so I could use the top bolt holes. I used 8 3/8" bolts for the mounting and this thing is not going anywhere. This is the most economical and cleanest way to mount a long shaft motor on a short transom. I would recommend this product to anyone whose faced with the same problem.
May 1, 2012
Thinking of picking this up to use as a kicker mount for our 18' Four Winns. Description says it has a 4" clearance which would be great since I'd have to install where the tie down is. I'd keep the tie down in place and just reach under to tie it down at the end of the day. Anyone else use it as a kicker mount?
The important factor is the distance the cavitation plate is below your boat. mine is 1/4 inch. If you rase your motor too high, you will cavitate and over heat/burn up motor. put a straight edge on your cavitation plate of your motor and measure to bottom of your boat.
I have a 16', 52" bottom alumacraft with a new 2009 mercury 25HP fourstroke, longshaft. Will this minijacker lift my motor too high, causing cavitation? I fish shallow marsh and could stand to run a little shallower. I would buy this jack plate if I knew that the L/D was not excessive for my boat. PLease advise.
It raises the height 3". I mounted mine 2" above the top of the transom and added a piece of 2"x2" square tubing onto the transom so I would have something for the top bolts to mount to. I used a total of 8 3/8" bolts and it solid. it works perfect for gaining the 5" although the instructions recommend mounting it no higher than the top of the transom.
It will raise it at least 4". You could go 5 and likely 6t if you mount the top of the mounting plates above the transom top. To do to this, you need to have a flat transom. Some aluminum boats have a lip on top of the transom, that make this difficult, unless you shim the mounting plate, which would work fine, but would take a bit more finesse to install than just bolting it on.
This thing is solid. I mounted a 15 HP long shaft on it that was at least 110 lbs. It is rated for a 35 hp and seems likely to easily take that. I think it is a bit over enginered and would easily take that, as long as you bolted it on adequately with quality hardware.
No, I own one and if you try mounting it lower on the transom then the vertical offset portion of the mount will be too low to allow the outboard motor clamps to clear the space between the transom and the mount. I've seen welding shops cut a small portion out of the transom, re-seal, then mount a short shaft on a long shaft transom. Locally, $150.
Yes, the mount comes with no pre-drilled holes. The indentations you see are starter spots to drill through so that the mount is very adaptable to many boat applications. You can mount with 4,6,8 or whatever amount of bolts you desire by drilling.
Not likely. This will add about 4" in transom height.... 18" is likely a small HP short shaft, which is designed to go on a 15" transom. You could mount it lower on the transom, so the top is 2" below the transom, but it would be hard to get to the mounting screws on the outboard as the transom would be in the way.