Honda BF90A1/2/3 outboard service kit

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This kit suits::
To suit Honda BF90A1, BF90A2 & BF90A3 models only - you must enter the frame number in the box below to get the right parts
Select shipping method at checkout. Shipping Australia wide or store pick up available.
Oil selection::
Please select your preferred choice of oil below to update pricing.
Please select yes or no for thermostat(s) to be included in the kit (kit comes with thermostat gasket(s) regardless of choice)
Frame Number::
To ensure we supply the correct parts for your outboard, please enter your frame number in the box provided below. The frame number can be found on the Tag that is affixed to the outboard mount bracket or on top of the pivot shaft
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  • Honda genuine parts service kit

To suit carby Honda BF90A1, BF90A2 & BF90A3 4 stroke outboard models

Kit includes:

  • Spark plugs x 4
  • Water pump impeller kit
  • Oil filter
  • Fuel filter
  • Gearcase drain screw washers or o-rings (depends on model)
  • 5L Engine oil (Honda) or 5L Engine oil (Penrite)
  • 1L Gearcase oil
  • Gearcase oil pump (included when genuine Honda oil selected, not included with Penrite oil package)
  • Thermostat
  • Thermostat gasket
  • 1 x Oil pan drain screw washer

Genuine Honda parts are included in the kit, as well as you choice of genuine Honda 10W30 engine oil and genuine Honda gear oil (pump bottle) or Penrite semi synthetic 10W40 engine oil and Penrite Synthetic gear oil (squeezy bottles).


You can choose to order the kit with or without oil and with or without thermostat(s)


Please check your Honda outboard frame number before ordering. Please enter your frame number (serial number) in the box provided when ordering. The frame number is located on the bracket part of the outboard that bolts/clamps to the boat or on top of the pivot shaft at the front of the outboard. If you don't provide your frame number, you may not receive the correct kit. Please note, Honda outboards don't always use the same parts! We normally don't provide refunds if you don't provide a frame number and order the wrong kit.



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  • 5
    Customer Service

    Posted by Daniel on 26th Feb 2021

    I am happy with the product but the actual reason for my review is the customer service provided by Mike. I called on my way to the store to pickup my order to say my 18month old son had fallen asleep in the car. Mike was happy to run the parts out and place them in the boot without me needing to wake my son up and go into the store. Absolute legend!