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jimmyp

jimmyp

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jimmyp

Sorry, Im back to ask another question because I didn't get a answer on my first question but maybe someone can answer this one I hope.

Does anyone know if the diaphragm pump operate off the fuel pump solenoid (as far as shutting off and on) or does the diaphragm pump stop pumping when the back pressure reaches max in the pump

or does anyone know if when the pump reaches a a max back pressure does it send a signal to the solenoid to shut off.   sorry to b e a problem just trying to get on the road so me and my wife can enjoy riding again

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OnaWingandaPrayer

Jimmy,  sadly I can not answer your question correctly. I have the Clymer service manual. For an 84-86 it says the fuel pump must flow 500cc/16.9oz of fuel per minute. For an 87it should be 750cc/25.4oz per minute flow rate.  It does not list a fuel pressure ( that I can find). I looked in the carburetor/emissions section and found the flow rate listed in the electrical section.

For the  LTD/SEi ( fuel injected engine, it is regulated to 36PSI max then it will bleed off to a return line. Also this model, the pump cycles from inputs of the control unit.

Perhaps someone with more 1200 experience can help you .

Dennis, Bike are you out there? 

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Mountain Rider

Jimmy, I don't have a good answer for you, but a suggestion. In the title put down what you're asking about rather than your user name. That'll get you a response faster. Good luck 

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