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  1. J

    Honda BF90D 2010 running problem

    hi my Honda bf90d 2010 this season is running rough and its like missing it started when i start up and going out at 1800rpm there was a missing sounds like bogging today i started the motor after it was in the garage for 15 days and tried to go out but it starts missing a lott and shaking it...
  2. J

    after impeller replacement water exiting from a strange point (watch video)

    After I made a service to my outboard and replaced the water pump impeller and all gaskets , and cleaned the water pump from salt. When i started up i noticed that water was exiting from a point that i never noticed it before please watch the gif and tell me if it is normal that water exits...
  3. J

    Honda Bf 90 d engine block removal

    hi i need to remove the engine block as i found water in the flywheel compartment. i would like to know which gasket and if needed seals i have to buy. my outboard serial no is BBCJ-1015983. thanks Jason
  4. J

    Honda bf90d continuous alarm what is it?

    Today i started the motor after sitting in the garage for 2 weeks and as it fired a continuous alarm beeep startet and it continued until i turned it off and after restart it went off and motor worked normal what can it be??. Thanks Jason
  5. J

    galvanic corrosion

    hi i would like to know what can i do for galvanic corrosion it is causing engine water passages built up blockage and this is new 2 year old hydraulick steering cylinder shaft cheeping because of galvanic corrosion i never leave the boat in sea and always washed and garaged after each use...
  6. J

    honda outboard flading

    Hi today went out with my rib with Honda bf90d and while was ruining at about 5300rpm engine stopped. i thought that i may have had a rope around the propeller when i trimed out the motor i noticed that water was coming out from the cowl i lowerd the motor and opened the hod and a Lott of water...
  7. J

    Honda BF90D year2010

    Honda states that they use the same engine for the Honda BF90D year 2010 15vtec as the Honda Fitt/Jazz. i would like to ask these engines that i found and are used on the same cars with the same Displacement: 1,496 cc (91.3 cu in) and Bore x Stroke: 73.0 mm × 89.4 mm (2.87 in × 3.52 in) but with...
  8. J

    Honda BF90D 2010 thermostats

    Hi all today i inspected the thermostats on cylinder head and engine block. what i did is this i started the engine in a water tank 200lts and left it idle for 15 min then i removed the thermostats the one on the head was open but the one on the block was still closed i have restart it again...
  9. J

    Honda BF90D oil filter

    i went to buy oil and oil filter from local agent for my Honda bf90d 2010 and they gave me the Honda Fit oil filter they told me it is the same one is this correct or the marine oil filter has any difference ? Thanks
  10. J

    Honda bf90d

    Hi I would like to ask if it is normal that water splits from the engine air brider I am referring to the hole that is near the pi hole. This is how it happened I removed the thermostat to inspect it and I found some salts residule so I started the engine without thermostat in a thank with salt...
  11. J

    Honda BF90D

    Hi these are pict of a part of the outboard Honda BF90D year 2013 and would like to know what is that part and what is the bold used for as i want to remove it as it have corrosion and would like to clean it and another thing is if i apply a thin layer of grease under the rubber of the spark...
  12. J

    break in procedure

    hi all I have a Honda bf90d vtec bought new this summer.now I have finished the 10hr break in period. I would like to ask what shall I do as the first service engine oil, oil filter and gear oil and if there is any other think to do. I feel that it is consuming some extra fuel. is there any...
  13. J

    honda bf90

    hi all i would like to ask you if anyone knows what is the difference between a honda bf90 year2010 and the new honda bf100 from the outside they look the same and even the engine cc both are vtec too
  14. J

    yamaha 100 hp gauges and engine oil

    Hi all i have bought a yamaha 100hp(europe) year 2012 it has worked for 83hrs i would like to ask you what is the best engine oil to use and gear oil. and would like to know if i can conect analoge gauges with the digital ones and what tipe of harnes do i need for. thanks jason
  15. J

    upgrade hp

    hi i would like to ask how is a mercury outboard 80hp upgraded to 100hp what should have be replaced. thanks
  16. J

    Quickstor Fuel Treatment

    Hi can someone tell me how safe it is mercury Quickstor FuelTreatment. And if it is good to use it with each fill up with fuel. Bdy myoutboard is mercury 60 hp four stroke Efi and i don’t want to cause problems to fuelinjection system. Thanks
  17. J

    Drive shaft whistle noise

    Hi all I have a mercury 60hp EFI 4 stroke year 2011 it has 20 whrs on it. This model seems to have a problem after a few hrs they start to make a whistle noise thatcomes from the water seal that it is located where the drive shaft connects tothe crank. I have lubricated the shaft with...
  18. J

    mercury 60hp efi spark plugs

    Hi all i have a mercury 60hp 4 stroke Efi 2010 model andtoday i have made first service after 14whrs i have found that spark plugswhere a little dump black and with smell of fuel but they were not wet like ifengine flooded or too rich could it be that it needs plugs that perform a betterspark...
  19. J

    Mercury 60 hp efi 2010 model shaft length problem causing rib to be instable

    Hi to all hope i find help. I have a Mercury 60 hp Efi 2010 model installed on a 16ft rib it is suppose to be long shaft 20” length buti have passed the running in 10hr and tried to see what is the motor performance but as i reached 30knot the ribbecame seriously unstable ant have to...
  20. J

    whistle from under engine

    Hi all i have a mercury outboard 60hp 4stroke Efi 2010 modeland from the first few hrs i started hearing a whistle noise that thought itwas coming from the engine now i have discovered that when the engine is in neutral it do the whistlesound and it is coming from the under engine i think it...
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