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Tim Tim is offline
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First recorded activity by BoatBanter: Nov 2006
Posts: 19,107
Default diesel engine use with no battery

On Apr 28, 11:34*pm, wrote:
On Wed, 28 Apr 2010 23:25:46 -0400, Wayne.B

wrote:
On Wed, 28 Apr 2010 08:13:16 -0700 (PDT), Loogypicker
wrote:


I think you better talk to your mechanical engineering breathren
alittle. First "up to 50 hp." had a provision for a rope start is
horse****.


Yes it is. * The small boatengineof choice in the Caribbean is
something called a Yamaha Enduro 75.


http://www.alibaba.com/product/id108896134-108366375-0/Yamaha_2_Strok....


They are all over the place, typically tiller steered and manual
start. *Most of the boats they are on do not even have a battery.


I have pull started my old Yamaha/Mariner 75 *a number of times. (we
didn't boat that much in those days). If it wouldn't start right away
I would pull it instead of killing the battery.
I also started my current EFI 4 stroke 60 but it wouldn't run with a
bad (open cell) battery. The computer saw an immediate overvoltage and
shut down. The gauge was pegged. Turning on the lights didn't help
much. I was hooking up my Q beam when a neighbor came by and offered
me a tow. I am still curious if it would have worked.

It was easy to pull through tho, as was the 75.


225 hp. V-6 Evinrudes didn't pull start very well. I gave one all I
had and it hit compression and it was an imediate dead stop, and
pulled the rope handle right out of my hands. OUCH!

I noticed that my 85 hp v-4 sea horse doesn't even have a rope start
style flywheel or rope provision under the hood.


Probably for the better.