JDP421 Posted July 12, 2014 Report Posted July 12, 2014 Got a mikuni fuel pump with 39mm pumper carbs someone wanna walk me through how to hook up the pump? Sent from my iPhone using Tapatalk Quote
trickedcarbine Posted July 13, 2014 Report Posted July 13, 2014 You will need to drill and tap the intake on one of the cylinders. Insert a barb fitting and plumb a hose to the pulse fitting of the pump. Plumb the inlet of side to the petcock. Plumb the outlet to the carbs. You will also need to make sure your carbs have the needle and seat for pump set up as well. Quote
SOUTHTHIRTY Posted July 13, 2014 Report Posted July 13, 2014 If your motor is already together. ..drilling the vac line in is challenging Quote
m671054 Posted July 13, 2014 Report Posted July 13, 2014 Make sure the pulse line is able to drain back to the intake. If it has any dips fuel can collect and effect performance. I prefer locating the pulse line in the case Quote
Starwriter Posted July 13, 2014 Report Posted July 13, 2014 When you drill aluminum, grind the bit like this. It will prevent the bit from diving in when it punches through. Quote
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