01
Apr
Use stainless-steel bolts appropriately sized to fit the outboard mounting holes. Outside transom plate 18 thick Inside transom plate 14 thick.
Outside transom plate 18 thick Inside transom plate 14 thick.
How to mount outboard motor to transom. The first two things that need to be established before mounting an outboard motor on the transom of your boat are pretty obvious. The centre of the boat stern hopefully this will also be dead centre of the transom and vertically above the centre of the keel. The best method of sealing transom penetrations is to drill 6 mm oversize and fill with epoxy resin mixed with micro fibres not balloons and re drill to the required size.
This leaves a 3 mm seal between bolt and ply. Select a socket that matches the size of the outboard motor mounting bolts. Secure the socket to a ratchet handle.
Turn the lower left mounting bolt counterclockwise until it pulls from the transom. To steal mine youll have to bring a pair of 12 wrenches to remove the bolts which are also a hammer fit through the transom. Not many casual thieves are going to bother.
Its just two bolts at the bottom of the transom mount which is drilled for them. The sequence of photos show how I propose to mount the new engine. The outsideinside transom plates are primarily to ensure that the plug stays in place and remains watertight the inside plate also serves as backing reinforcement for the bracket bolts.
Outside transom plate 18 thick Inside transom plate 14 thick. PDR Marine Fabrication can build a bracket for any purpose for your boat. We build transom brackets to fit the transom of your boat for your outboard motor to be mounted.
We build these for boats as a standard item from the factory as well as for boats that are being repowered from inboard power to the efficiency of todays outboard motors. It is recommended to use a 4 setback jack plate or greater in combination with this so that your engine clamps clear the transom and do not hit the back of the inside of the jack plate or your transom. The plate has predrilled holes for 12 stainless hardware and the mounting.
Once you remove the bolts and are sure that the inner core is dry fill the holes and cover the bolts with 3M 4200 adhesive insert bolts and when tightening make sure you only turn the nuts NOT the boltsvery important use flat over size washers inside the transom and regular size washers lock nuts on the motor side whatever adhesive oozes out just leave it alone dont wipe it off you can always cut. The motor length corresponds to the transom height of the boat measured from the keel to gunwale at the transom. The clamp bracket is designed so that the engines mounting height on the transom can be adjusted higher than standard.
There are a series of four to six holes at the top of the bracket and the lower bolts actually fit into slots. The outboard should be mounted high enough on the transom so that the exhaust re- lief hole will stay at least 1 in. 254 mm above the water line when the engine is run- ning at idle speed.
There is a simple test to see if your outboard motor is set at the best height. Simply start with the engine in idle followed by trimming the motor out by one-half to full trim. Safely but briskly accelerate.
If the propeller fails to ventilate the motor is mounted to low. There are instances where a lower mount may be okay. Pdr Marine Transom Brackets.
Inflatable Boat Motor Mount Setting Up Your System Will Make Life Easier. The c brats kicker setup on 22 the c brats kicker setup on 22 kicker motor mounting position the hull truth boating and fishing forum kicker mounting bracket gctid459785 bayliner owners club. Before starting off about transom height lets see what it actually is.
It is found on the rear of the boat and is vertically aligned. This is where the outboard is usually mounted and the ship name is placed. The transom height is the measuring of the hull from bottom till the transom from the centerline.
The economy outboard engine jacking plates bracket are made from 38 thick alloy extrusion and provides an inexpensive solution to mount a long shaft outboard engine to a short transom. Also can be used as a fixed jack plate for boat engines up to 150hp. I am planning to get an auxiliary outboard motor likely to be a Yamaha High Thrust T99 and mount it on the transom of a 18-ft center console.
I have a couple questions related to exactly where to position it. I have a 115hp main outboard motor already mounted at the center of the transom. Should I mount the small auxiliary motor in the.
Install the outboard motor at the stern center of the boat. Attach the mounting bracket to the boats transom and tighten the bracket screws. For extra security in case the clamps come loose tie a rope through the hole in the mounting bracket and secure the other end to the boat.
Secure the motor by using the lower mounting holes on the outboard bracket to through-bolt the motor. The Garelick mounting pad comes with mounting holes for this purpose. Use stainless-steel bolts appropriately sized to fit the outboard mounting holes.
An outboard is mounted on the center of the transom in line with the keel or centerline of the boat and is usually secured to the transom with four stainless steel bolts. The bolt holes are caulked with marine sealant to prevent water from seeping into the transoms core. You install the mount as the motor requires.
Reinforce the transom on the inside where the mount will be located and you should be fine. This is the part of the job that is called engineering planning the place and the reinforcement. What height should an outboard motor be mounted.
For a propeller to best satisfy particular boating needs the engine must be attached to the transom at the correct height. Over the past 30 years industry standards for transom height have been developed. 15 for short shaft engines 20 for long shaft engines and 25 for extra-long shaft engines.