Brand new Honda 5HP Outboard won't start - should I switch mfg? - Page 3 - SailNet Community
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post #21 of 25 Old 08-11-2014
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Re: Brand new Honda 5HP Outboard won't start - should I switch mfg?

Although everyone likes to blame ethanol, here are a couple of facts :

Non-ethanol gas leaves a residue when it evaporates.

I've been running ethanol gas in my outboards for years, with no problems - due, I believe to using the above good practices.

This is a brand new outboard, so there will be no material compatibility issues.

Bristol 31.1, San Francisco Bay

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post #22 of 25 Old 08-11-2014
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Re: Brand new Honda 5HP Outboard won't start - should I switch mfg?

Old thread but some recent replies. I have a 6HP 4 stroke Tohatsu, runs perfectly. HOWEVER, it is "finicky" to start. I drain the carb after each use as "running it dry" still leaves some fuel in the bowl. I have to follow the starting instruction EXACTELY. I have found that squeezing the primer bulb too much floods it. Many pulls later, with the choke off, it fires. This morning, it fired on the third pull.

I have been using this additive for many years, seem to work. :

Fuel Additives / Treatments | Berryman Products

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post #23 of 25 Old 08-13-2014
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Re: Brand new Honda 5HP Outboard won't start - should I switch mfg?

Can't beat a Honda for reliability, but they're pretty picky about their fuel. Water in the gas is a bad thing for these finicky little outboards.
We have a '97 9.9 on our inflatable and it still starts on 2nd pull every time, but we usually run it at least few times each week. Otherwise, I've read that draining the fuel bowl is helpful in you're not running it for a couple weeks. We also add a measured amount of fuel stabilizer (like StaBil or something similar) with each full tank of gas.

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post #24 of 25 Old 08-13-2014
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Re: Brand new Honda 5HP Outboard won't start - should I switch mfg?

I have had two four stroke outboards, plus 8 two strokes. One was a Honda 2HP, ran it hard for 30 years. It ran perfectly when I sold it. One time I forgot to drain it, carb cleaning time, my fault. Never had any problems with all the two strokes.

From what I have read, carb related problems are not limited to Honda, they seem to related to many/most four strokes, especially the smaller ones.

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post #25 of 25 Old 08-16-2014
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Re: Brand new Honda 5HP Outboard won't start - should I switch mfg?

I have a Honda 2hp that I use on my 23ft. Santana and it works great to get me in and out of the slip. When I first got the motor it was new and was difficult to start and then I put on a dingy and went fishing with it for a day, I ran the motor at different speeds for 5 hours and the change in its behavior has been great...now cold start is fuel on take the sail and tiller covers off open the throttle a little, apply full choke and pull the starter rope its running at approx. 1/2 pull...slowly push the choke in and its running smooth...I think that these things are built so well that they need to be ran to loosen them up...I had a old Johnson 4.5 prior to the Honda and put approx. the price of the new 2hp into it in parts and it was still a pile of crap.
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