Need a higher pressure FPR - Kawasaki ZX-10R.net
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post #1 of 16 Old 05-05-2019, 02:43 AM Thread Starter
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Need a higher pressure FPR

Does anyone know of a company who is selling a FPR which is higher than stock for a Gen4?
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post #2 of 16 Old 05-05-2019, 03:02 AM
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are you looking for pressure input regulated fuel pressure?

or just looking for constant higher pressure fuel pressure?

2004 ZX10R-few mods here and there......
and even made more Evil by Woolich.
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post #3 of 16 Old 05-05-2019, 11:55 PM Thread Starter
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Higher pressure at the injectors
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post #4 of 16 Old 05-06-2019, 12:05 AM
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You can alter the stock internal regulator to permanently increase the fuel pressure

2004 ZX10R-few mods here and there......
and even made more Evil by Woolich.
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post #5 of 16 Old 05-06-2019, 10:33 PM Thread Starter
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Is there a write up on it?
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post #6 of 16 Old 05-07-2019, 12:10 AM
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Does anyone know of a company who is selling a FPR which is higher than stock for a Gen4?
You can disassemble the stock pump. It has a valve for pressure adjustment. Under the valve spring you can put a washer and get an increase in pressure.
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post #7 of 16 Old 05-07-2019, 12:28 AM
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You can disassemble the stock pump. It has a valve for pressure adjustment. Under the valve spring you can put a washer and get an increase in pressure.
How thick will be that washer and how much will this affect the fuel pressure from 3.0bar which it is stock

Gen3 : Arata full exhaust , KN air filter , 520 DID Renthal , oem Ecu converted to Race Kawasaki Ecu , milled ported head , Kent camshafts , lowered , Pk shifter , 14k rev limiter . Ecu tuned by TRE ( mr Balogiannis)

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post #8 of 16 Old 05-07-2019, 12:33 AM
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How thick will be that washer and how much will this affect the fuel pressure from 3.0bar which it is stock
Just plug in a pressure gauge to measure fuel pressure. The thicker the washer - the higher the pressure.
p.s. With increasing pressure, the performance of the pump (any) will fall. If you have a high power turbo project, then you will most likely need to replace the pump.
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post #9 of 16 Old 05-07-2019, 01:05 AM
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Just plug in a pressure gauge to measure fuel pressure. The thicker the washer - the higher the pressure.
p.s. With increasing pressure, the performance of the pump (any) will fall. If you have a high power turbo project, then you will most likely need to replace the pump.
Yeah I was thinking if u already have this and know the result like 1mm washe ll take you from 3 bar to 3.5bar for example...

Gen3 : Arata full exhaust , KN air filter , 520 DID Renthal , oem Ecu converted to Race Kawasaki Ecu , milled ported head , Kent camshafts , lowered , Pk shifter , 14k rev limiter . Ecu tuned by TRE ( mr Balogiannis)

http://www.youtube.com/watch?v=eLsF4A1k_ew
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post #10 of 16 Old 05-07-2019, 01:17 AM
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For GEN4 3bar - standard pressure
Approximately 1 mm washer will increase 0.5bar
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