Fuel Pressure Regulator

Monty · Nov 4, 2014

I'm needing a stock fuel pressure regulator for my 12 pro 800, unfortunately you can't just buy it without whole fuel pump assembly, so wondering if anybody has ever cross referenced the Reg with the automotive world?

mountainhorse · Nov 4, 2014

Curious as to how you diagnosed that the FPR is bad?

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Monty · Nov 5, 2014

My external Turbosmart Reg will see good fuel pressure, took it off and back to stock reg and only see 10-20 lbs

mountainhorse · Nov 5, 2014

Are you sure that the stock FPR was not removed inside the pump-flange-assembly inside the tank or the O-rings removed?

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Monty · Nov 6, 2014

All orings were on the stock fuel reg when I reinstalled it in to the factory pump

mountainhorse · Nov 6, 2014

IMO... Something went awry when you re-installed your FPR...To see that low of fuel pressure, something is not right with the FPR install.

I would pull the tank again and pull out the FPR to check that... maybe the O ring tore on install pushed down.

Lube the O rings with 2 stroke oil upon re-install.

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TRS · Nov 6, 2014

Mark Hoffman at Crazy Mountain has a stack of stock FPRs. I agree with MH, pull it and check it. And yes you can cross them.

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Fuel Pressure Regulator

Monty

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mountainhorse

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Monty

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mountainhorse

Well-known member

Monty

Active member

mountainhorse

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TRS

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