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Outboard option for RL28 - performance and maintenance
My diesel has died and I am unable to afford the upfront cost of a new one and am considering an outboard option in the engine well.

Does anyone have any performance figures for the Yamaha or Honda 10 or 15 model? Litres per hour? Cruising speed and revs? What about thrust in heavy conditions? Any other thoughts?

What about maintenance accessibility in the engine well? Engine Flushing etc

How do you lift the leg out of the water to avoid corrosion/maintain?
Lawrence Dorsett17-May-2007    Edit    Delete 
Re: Outboard option for RL28 - performance and maintenance
Hi Lawrence, I have a 9.9 Yamaha 4-stroke which pushes my often-heavily-laden-with-gear RL28 at about 6-8 knots. There comes a point where extra revs does not make for extra speed but does burn extra fuel. Perhaps hull-speed kicking in? There used to be two shaft lengths possible for the Yamaha - mine is the standard rather than the long shaft. This is important for me to permit crossing shallow water over sandbanks. Brisbane has major water restrictions and the rules around permitted flushing have not in my view been clearly published in the run up to Level 5 restrictions. I have made a decision to a) continue to flush the motor after each use and b) do so from internal water tanks. Failing to do either of the above leads to a) corrosion and b) abuse from passers by. The shower hose in Jezabel can be uncoupled, a new fitting (which I made up) connected, and the shower pump then feeds from the shower tank to the ear-muffs. Everybody's happy! Maintenance capability in the engine well is almost non-existent unless your hands are like a praying mantis. Lowering the motor in and out is difficult. Accessing the transom bolts is lots of fun, but this stops thieves too. Thrust in heavy weather seems good, with some cavitation in short heavy seas. Litres per hour - a rough guess is perhaps 15 - 20 litres to cross Moreton Bay and back - perhaps 50km in about 4 hrs motoring? Very economical. Fitting the new 9.9 Yamaha to the engine well a few years ago was a pain. Happy to discuss if you want to email me.
Phil Gardam20-May-2007    Edit    Delete 
Re: Outboard option for RL28 - performance and maintenance
My boat has a 15 Hp Honda 4 stroke with electric start which came with it. It is very quiet and seems to use about 30 to 40 litres from sandgate to surfers paradise. i am currently looking at replaceent options being either a electric sail drive with batteries ( and a charger) or another 15 Hp
ken2-Jun-2007    Edit    Delete 
Re: Outboard option for RL28 - performance and maintenance
My boat has a 15 Hp Honda 4 stroke with electric start which came with it. It is very quiet and seems to use about 30 to 40 litres from sandgate to surfers paradise. i am currently looking at replaceent options being either a electric sail drive with batteries ( and a charger) or another 15 Hp
ken2-Jun-2007    Edit    Delete 

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