Yep, if this bores you, I'll have something more fun on soon. Much of the preparation work for anything is fraught with details and minutia. Just because I described what it takes to convert a tiller motor over to a remote control unit, I thought, lest any important details are left out, I would let my readers know that the choke on the MFC20C Tohatsu is manual. In order to start the motor, one has to be able to choke it remotely.
So I am waiting for the last order to arrive. It is for the choke solenoid, bracket, link rod, spring pin and various screws. With this and the help of my favorite old time marine repair shop down in Decatur, the job will finally be done.
I found a stick steering unit on Ebay and it is also on its way. So happy to have these mysteries and problems solved.
By the way, my paint job on Belle, my SeaPearl 28 trailerable boat is almost done. This has been an all summer project getting Belle ready to sell. Did I mention I hate painting? Especially the removing all the hardware, sanding, filling and sanding some more. To spare you a recitation of the entire miserable process I will just say, I am happy to be nearly over it. Well, I've been over it for quite some time.
I sold several expensive pieces of ham radio gear. I still have two boats to sell, but I'm thinking I may be able to go over and work on Shallow-Minded for a month in October. I plan to mount the motor, finish painting the deck, do the bottom job and get the boat ready for the water in the spring. Retirement is turning out to be a lot of work:)
As an update, the final solution was that a carburetor for a remote control unit is unique. I had to replace the hand choke carburetor with a solenoid ready carb.
I now have everything done. It chokes both remotely and manually which I think is quite a feat! I'll show closeups when I get to North Carolina and start the work of installing the motor.
Wednesday, August 27, 2014
Wednesday, August 13, 2014
Converting a Tohatsu 20 HP from Tiller to Remote Control and Steering
When I bought Shallow-Minded it was clear that the motor
power was not going to satisfy me.
Stories from the previous owners of poor speeds when running tidal
currents made me sure I would want to move up to a larger engine. The very nice
Suzuki 9.9 long shaft, power tilt with remote control just wasn’t going to
suffice. I sold it on Craig’s list for what I thought was a reasonable
price.
Having enjoyed very good luck with buying marine engines
online for very competitive prices, I decided to purchase another Tohatsu. The unit I chose was the MFC20C long shaft,
electric start, power trim and tilt tiller model. Fact is no company is allowed to sell remote
control units directly to the public unless they are the ones that install the
motor. Thus the purchase of the tiller
model for conversion by myself.
I’d like to summarize the steps necessary for conversion on
the Tohatsu MFC20C long shaft Power trim and tilt tiller model to a full remote
control. First, here are the items
needed for the conversion.
First I needed a 3ACQ843300
remote control box. I found my
supplies readily available from Boats.net in Albany, GA. The price $373.00 with
free shipping! I also needed a pair of
throttle and shift cables. I made a
special trip to North Carolina where the boat is to make critical measurements
for the length of both these cables and the steering cable. I found my 6 foot Hilex cables at Solution
one Maritime, L.L.C in Tampa. These cables cost me $70 with $6.00 for shipping.
Finally, I need a collection of parts know as remote control fitting parts,
3BJQ838803 according to Tohatsu. This
costs $134.86 plus $11.95.
After securing a drag
link steering connector (3E0849050) for the ridiculous price of $134.81 plus
$11.95 shipping and handling, I reasoned that I was now ready to go. I therefore loaded up the motor and parts and
took them over to my friends at DeKalb Marine.
The following day a phone call from Bob, informed me that I still needed
two adapter cables. The remote control
comes with a plug in cable. Should be a
breeze right? Just plug it in. Wrong!
An adapter cable is required to fit the bullet connectors of the wiring
harness inside. What’s more, even the
bullet connectors on the harness need an adapter to plug into the PTT (power
tilt and trim) solenoid. Wonder how much
that would be or where to find them for that matter? Well, turns out after
careful study of the electrical magneto diagram that I need “extension cord PTT
number 3BJ72569-0 or item 35 on the diagram.
This takes care of the power trim and tilt adapter. Item number 88 is known as the “cord assembly
EP/EPT 3BJ-76110. These adapters for the
adapters, as it were run a total of $131.76 plus shipping from Boats.net. I verified my understanding of the needed
adapters with Bob at DeKalb Marine and they are on order.
Right now my beautiful motor is sitting on a stand in the
shop with the conversion mostly done. No
tiller mars the sleek look. I can’t wait
to tank test the throttle and shift levers.
In September or October I hope to make a trip over to Hampstead, North
Carolina to install the motor.
The motor was $3200.
The conversion cost me $895 for parts plus $100 labor by DeKalb Marine
for a grand total or $4195. That does
not include Stick steering which I plan to use for maneuvering control in
confined areas. The rudder is mostly unhelpful at slow speeds due to the fact
that the motor sits behind it.
Pictures to follow
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