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West Wight Potter Mailing List maintainer
dfarrell@ridgecrest.ca.us
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Eric:
Please don't get mad at me...
I have investigated this topic to exhaustion. If you go back in archives you
will find me searching for a solution. The 3.5 Nissan manual actually shows
the installation of a fuel pump to a hole in crankcase for an external tank
option. However, no luck locating one from Nissan/Tohatsu or Merc.
I have several shop manuals for Evinrude, Nissan/Tohatsu, Merc for all
outboards from 2hp thru 150. The story they tell is.. No pump no suction for
an external fuel tank. If you check a 4 hp Evinrude with factory provision
for external fuel tank you will find the pump attached to bottom of crankcase
on left side looking at front of motor... If you check a Nissan 8 you will
find a fuel pump attached to... Crankcase.
You need a fuel pump. Don't none of you guys go out and get an external 3.5
gallon fuel tank expecting to just hook it through fitting and run off of it.
Only the Evinrude 4 has a fuel pump neither Nissan/tohatsu or Merc under 5
have one.
Heck! I even toyed with the idea of putting in an automotive electric fuel
pump powered by onboard battery to run the lil 3.5 of an external tank. I
chickened out with fear of fuel leakage or Boom! Blowing myself up. Another
time I toyed with idea of mounting tank on coaming and hooking it up to top
of gas cap so it would gravity feed. EcoTerrorist wife stopped me...
There used to be a tank like In a message dated 3/21/00 8:18:39 AM Pacific
Standard Time, bblohm@hpbs1686.boi.hp.com writes:
<< With all the feedback on where to put the external tank, I'm wondering
why not just make a bracket that mounts on the motor and holds the tank
right above the engine? It'd need a linkage of some sort to keep it
level when the engine is tipped out of the water. Hmmmmmmmm. >>
This lil 1/2 gallon tank screwed into the fuel cap receptacle on the lil 2 hp
engines providing extended range. I could no longer find it.
I can probably scan the page off the Tohatsu manual and e-mail to you if you
are interested.
Best
SF
In a message dated 3/21/00 9:59:53 AM Pacific Standard Time, etj@nwlink.com
writes:
<< Does
anyone here have an actual service manual for one of these small outboards
(specifically
the Tohatsu/Nissan) that tells for sure?
The upshot of all this is, of course, that if these small outboards don't
require
a fuel pump, whoever wanted to try using an external tank may be able to do
so with some simple fittings.
>>
This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 03:27:12 PST