Keemez Posted June 12, 2011 #1 Posted June 12, 2011 (edited) Anybody have a known good fuel pump that I could use for testing purposes for a few days? I have my pump off bike (G1 MK2)... and when I connect direct to 12v power source I'm getting a fair amount of arcing at the batt with no pump run. UPDATE/EDIT: I connected it straight to batt charger (10A setting) instead and it broke free after a few attempts. Wonder if it was bound up inside. Guess that's an early warning signal, eh? Edited June 12, 2011 by Keemez
Marcarl Posted June 12, 2011 #2 Posted June 12, 2011 I think you can take them apart to fix them. I've never had to do it, but if mine acted like yours I would. They can also be replaced with an aftermarket pump,,, you don't have to buy Yamaha for that. A lot cheaper.
calperin Posted June 12, 2011 #3 Posted June 12, 2011 If the fuel pump drains much more than 10 amps (And that is why it burn the power supply), you 're in trouble. That means that you have some shortcut on any of the internal coils. There are a couple of them on AutoZone or Advance Parts for around 45$. Try those ones. Regards,
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