external fuel tank

[Jack B]

Hi,
I was wondering if anyone knew the parts to put on a mariner 2 stroke 3.3hp for an external fuel tank. i was looking at this:
http://www.ebay.co.uk/itm/NEW-12L-OUTBOARD-ENGINE-MOTOR-FUEL-TANK-AND-FITTED-LINE-FOR-MARINER-PLAIN-END-/360581882254?pt=UK_CarsParts_Vehicles_Boat_Engines_EngineParts_SM&hash=item53f45ae18e
Furthermore how do I attach the fuel line to the engine, i would need to take the pipe off from the engine of the tank to put the engine away each time.
Many thanks Jack

 

[VicS]

Hi,
I was wondering if anyone knew the parts to put on a mariner 2 stroke 3.3hp for an external fuel tank. i was looking at this:
http://www.ebay.co.uk/itm/NEW-12L-OUTBOARD-ENGINE-MOTOR-FUEL-TANK-AND-FITTED-LINE-FOR-MARINER-PLAIN-END-/360581882254?pt=UK_CarsParts_Vehicles_Boat_Engines_EngineParts_SM&hash=item53f45ae18e
Furthermore how do I attach the fuel line to the engine, i would need to take the pipe off from the engine of the tank to put the engine away each time.
Many thanks Jack

You dont give the age or serial number but as far as i can see the problem will not be in sourcing a connector but the fact that the engine does not have a fuel pump!

 

[prv]

If the engine is designed to accept an external tank, then it will have a connector on the outside of the cowling, often low on the forward surface. You then need the matching connector to put on the end of the eBay hose (it says there isn't one included).

3.3 is pretty small for external tanks, they usually start to appear at about 5hp.

If the engine is not designed to have an external tank fitted, then it's probably still possible to retro-fit one, but you'd need to add connectors and possibly an external pump, and I suspect that if you knew enough to do that safely then you wouldn't be asking the question you did

Pete

 

[Jack B]

Thank you all for your swift replies i think i am just going to use normal petrol can and just use a length of fuel line with the normal hand pump attached and manually fill it from safely in the boat, when it begins to get empty.
Jack

 

[ProDave]

Where are you going that makes you think you need an external tank?

I can motor for a good 2 hours or more on a fill of the internal tank on my Mariner 4.

 

[Jack B]

I use it on my 17ft yacht and i can only go an hour in a chop before it runs out, and then i have the difficult business of refilling in waves and shipping, it is possible but a bit of a pain.

 

[ProDave]

Rotate the motor on it's bracket to make the filler cap a LOT closer to you for easier filling.

And my recent 2 hours motoring was into tide and into a big chop. Perhaps the 4HP has a bigger tank?

 

[Rigger Mortice]

I use it on my 17ft yacht and i can only go an hour in a chop before it runs out, and then i have the difficult business of refilling in waves and shipping, it is possible but a bit of a pain.

If you can get the tank higher than the engine then let gravity do the job.
You can connect to one of these http://www.mailspeedmarine.com/fuel-line-connectors,page-3.bhtml which you would need to fix to the engine. Alternatively, if you want to be a cheapskate, you could fix the line directly to the engine, doing away with connectors altogether.

If you put a "T" piece in after the tap on the engine then you can use the engines fuel tank as a reserve for when your main tank runs out.