Dinghy cruising cruising a Welsford 'navigator': cleaning a Tohatsu 4 stroke 3.5hp carburettor 

I find it more rewarding when you do things yourself. You have just saved £120, apart from the broken bolt. I guess the carb had never been serviced. I enjoy watching your antics, I look for to your return to the water. Keep posting as you have inspired me to build my own Navigator.

I had a similar learning experience when a screw sheared off halfway into my Mirror Dinghy transom. Took over an hour with various pliers, drill bits and whatnot to remove, not to mention the mess left in the wood afterwards! Very brave to attempt servicing your own outboard, I just sold my 3.3hp and got an E-Propulsion Spirit. No more maintenance...

I have the same outboard, and a sticking main jet appears to be a well known problem of the 3.5hp model - be it Mariner, Mercury or Tohatsu etc. Despite winterising, I went through the same routine every season to ensure trouble free starting. Removing the main jet was always a problem which I solved by stripping down the various jets at the end of the season and then only had to reassemble at the start of the next season. A quick tip is after attaching carb to manifold push overflow tubes from outside the casing and simply slide onto carb.

Great video, I love your channel. I am actually something of an ‘Anglophile’ if there is such a thing. I have been a ‘Great Lakes Region’ sailor all my life. Messing with small vintage outboard boats and motors these days...Gary in Port Huron, Michigan U.S.A

The brass threaded parts (jets, etc) need a screwdriver that fits perfectly in each respective slot. Preferably the screwdrivers will be hollow ground, and not a flat taper at the tips. The hollow ground drivers have a blade with the working faces nearly, if not actually parallel to each other and wont cam out of the slot and they'll drive the soft metal much better. The brass parts will be/can be really hard to shift and will release/come loose with a snapping motion. Ideally the part will be braced against something so you dont slip and spear yourself when they let go. It can take a good deal of force to undo them. Stabilising the part also helps you keep a constant pressure and angle to the screwdriver, keeping it firmly embedded in the slot. Good on you for having a go, you might be in position one day where you need to get that apart for a cleaning and dont have the option to "take it somewhere". If you need to develop some confidence, maybe see if you can buy a scrap carby and have a go at that, secure in the knowledge that it doesn't matter if you break something on it. It's only really scary the first time or two you do something new. As my french paragliding instructor would say, "You can do eeeet!"

I used all 4 methods to clean carbs which are carb spray, wire, ultrasonic and air compressor. I don't feel like taking 3-4 carbs off clean putting back on and still running crappy

Parabéns

I’m doing this job just now - carb off, disassembled and awaiting carb cleaning products from Amazon - pity about that bolt … every day’s a school day!

You were doin so well touch like a baby elephant ha ha least you had a go encore

Next time use 1/4 inch drive and no more breaks , you weren't doing that bad for first time 👍👍🇺🇸

Don’t speak that way to yourself. Thanks for the video. I have no money and my outboard is running rough. Hopefully I can avoid some heavy handed mistakes from yours. Ty

has anyone tried to put a carburetor from ebay instead of the original one (which is too expensive). how did he show himself?

Stope panicking by the way a carburetor for these is £28 on ebay