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    'Valve Clearance' - What is it?

    Forgive my stupidness, but before I recently bought my BF90 4Stroke, everything I had was 2stroke.<br /><br />A recent term that has been coming up is 'Valve clearance'. What exactly is meant by this term? (Is it the exhaust/inlet valves on the head?) And how does someone go about altering it...
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    Oil filter for Honda BF90 4Stroke...

    I need to service my BF90 4 Stroke tomorrow...<br /><br />With all this talk that 'its just a civic engine with a prop' I got to thinking.. Can I use a filter from a motor factors for a Honda Civic, or do I have to get a special one from my marine dealer?
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    Flushing a BF90 (Ear muffs)

    Can I use the 'ear muff' flushing device on the Honda BF90 4Stroke? I have previously used it on my 2stroke Yamaha and it would be great if I could do the same with the Honda
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    Semi of full synth in BF90 4Stroke?

    As the title says really, im going to service my Honda BF90 4Stroke next week, just wondering should I use semi or full synthetic engine oil?<br /><br />Thanks in advance!
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    Honda BF90 engine service - Tips?

    Hi all, <br />Newbie to the forum, but there seems to be lots to read up on!<br /><br />I recently bought a Honda BF90 4Stroke for a good price, but I have always used 2stroke engine before this.<br /><br />So, because I dont know the history of the engine, what are the basic service items I...
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