One more thing, once the tamper proof cap is off, be gentle when adjusting the mixture screw as the slotted head is designed to snap off if over tightened.
They just don't want us messing with their over lean fuel mixture.
The best way is to remove the carburettor, ensure the fuel is completely drained and vapour free. Using a large soldering iron place the hot tip on the mixture screw tamper proof cap and melt the solder securing the cap. The cap will then easily come away giving you access to the mixture screw...
Thank you MapisM,
I am open to experienced advice and like your suggestion on the "in hull" popular one, but feel I do not wish go down the "through hull" route.
Thank you all for your comments. I have not yet chosen a transducer and hope to fit it somewhere towards the front of my boat.
This is what I have been told:
Deadrise Angle
IMPORTANT: To help ensure that you buy the right transducer, your boats deadrise angle is also needed to be known. The...
Not familiar with your engine and this can be a fire hazard so beware. Use common sense when messing with fuel. Remove kill cord, disconnect fuel line from pump to carbs, spin engine on starter and see if fuel comes out of pump. Now you can work forward to carbs or backwards to tank...
I'm not familiar with your particular engine but engine revs dropping with the cover on may be a result of piston blow by where exhaust fumes are escaping past the piston rings into the crankcase, out through the breather and mixing with the air being drawn unto the carb upsetting the air/fuel...