Eviljohn
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| posted on 28/7/17 at 07:54 PM |
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Bike fuel pump location-carb conversion
Hi. My name is John. I'm new to this forum, heard it's a good place for guidance. Currently part way through a bike carb conversion on a
mk2 polo. '83 breadvan. Stock engine and 4 speed box. Using carbs from a cbr400, nc29. Was originally using facet low pressure pump and filter
king pressure regulator. Switched to pump from ebay, intended for cbr400, due to massive overfuelling issues. Now having issues with bike pump cutting
out and also engine/carbs revving heavily when throttle is blipped. Jets have been changed from 120's to 105's and a dynojet kit was
already installed.
Does the location of the fuel pump make a difference? Currently have the bike pump mounted in the engine bay, on the wing, next to suspension tower.
If i were to move pump lower and maybe closer to fuel tank, would that help it stop cutting out?
Currently, when it does cut out, if you tap the pump, it does kick on again.
Also, there was no tps on the carbs. Do i actually need one? If so, would one from same bike be best or can i fit a universal tps?
Thank you for stopping by and for any guidance you can give. If there's any info i left out that could help, just say and i'll do my best
to figure it out. Thanks again.
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mark chandler
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| posted on 28/7/17 at 08:19 PM |
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A bike pump is gravity fed so it needs to be low down, if it starts ticking when you tap it you probally need a new one or it's got some rubbish
in it jamming it up.
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jossey
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| posted on 28/7/17 at 09:42 PM |
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Under the tank worked best for my ZZR and cbr900 engine
That said it worked ok behind the tank until I got the ab air box
Thanks
David Johnson
Building my tiger avon slowly but surely.
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Eviljohn
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| posted on 29/7/17 at 06:41 AM |
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Grand advice. Thank you Sir's.
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