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Old 20 April 2017, 01:40   #1
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Honda BF20 Fuel pump or Service kit.

I have a 2008 Honda 20hp that'll be getting serviced next week.
Can anyone tell me where I can get a service kit for the fuel pump? Or perhaps even a new pump?

Cheers,

Fraser.
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Old 20 April 2017, 07:32   #2
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I alway get my Honda service kit and parts from Ardoran Marine - just outside Oban. Always very helpful.
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Old 20 April 2017, 08:10   #3
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I alway get my Honda service kit and parts from Ardoran Marine - just outside Oban. Always very helpful.
Excellent,thanks. I'll go look them up. Cheers.
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Old 20 April 2017, 13:09   #4
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Well phoned them up and apparently there is no service kit for the pump. Only a new pump.

I was advised it could be the thermostat being jammed open, but I went out to the boat had a look at it and stuck the thermostat in boiling water. It opens and closes as it should.
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Old 20 April 2017, 13:51   #5
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I also use Ardoran for my honda bits. The pump only comes as a complete unit. If you are getting a new pump make sure you get a new o ring that it sits on. I got a second hand pump from them. I have a bf90 and it simply uses two of your pumps in tandem. Why do you think the pump is gone? Nik
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Old 20 April 2017, 14:04   #6
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Quote:
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I also use Ardoran for my honda bits. The pump only comes as a complete unit. If you are getting a new pump make sure you get a new o ring that it sits on. I got a second hand pump from them. I have a bf90 and it simply uses two of your pumps in tandem. Why do you think the pump is gone? Nik
Well, here goes.

Last year before I put the boat away the engine was bogging down under throttle. It happens about the half way point but powers through it and seemed to run fine at higher rpm.

Following that I had the carbs etc cleaned. Tank and lines checked.

Lately prior to getting the boat in the water, on checking the oil there is what I believe a slight smell of petrol although not conclusive. After research it seems the diaphragm can become torn, putting fuel into the oil. There was no doubt some fuel in the pump and lines while the boat was parked up over winter, so I'm thinking it ended up in the engine?

I'm getting it serviced next week so will keep an eye on the oil condition once I get it back in use.

Ta.
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Old 20 April 2017, 14:33   #7
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you'll need a funny tamperproof allen key to dismantle the fuel pump. You can't buy the parts separately , unlike yamaha. Curiosity got the better of me. I had to take it apart to see how it worked. If you want a loan of the key give me a shout! Nik
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Old 20 April 2017, 14:43   #8
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Quote:
Originally Posted by matata View Post
you'll need a funny tamperproof allen key to dismantle the fuel pump. You can't buy the parts separately , unlike yamaha. Curiosity got the better of me. I had to take it apart to see how it worked. If you want a loan of the key give me a shout! Nik


Cheers Nik. I took the pump off just to see if it could be dismantled, seen the star shaped heads on the back and stopped there. The piston moves freely and could hear the mechanism working but no idea what's going on inside.

I'll get it serviced then get it out on the loch during the week then take it from there.

Think a new pump is about 89+VAT which I wouldn't grudge paying if it solved my problem.

Cheers.
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