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    Adapt a Digital Tach/Multi Gauge BF90

    I have a Honda 99 BF90, and picked up a Honda digital tach from a used marine store. The two plugs on the back don't match anything on my wiring harness, and I looked up the gauge and it says it's for 2005 and up Bf115 to BF225 Honda. What I am trying to figure out is if this thing is more or...
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    Will adjusting the idle screws affect carb sync?

    I have a Honda BF90, and the carbs have been rebuilt so there are not any end caps on the screws. I had trouble with the idle, and I adjusted a couple of them. Is it really necessary to have the carbs re-synced? Will the idle screws really change the vacuum pressure?
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    Can't get gas through Honda 90 #1 Carb

    Hi, I am new to this forum, seems to be many knowledgeable people here. I recently purchased boat with a 2000 90 HP Honda. It had sat up for a while, so the first time I fired it up it ran terribly. I sequentially removed the spark plugs and realized that #1 and #3 cylinders weren't firing at...
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