All of these filters fit the FJR1300A (20 x 1.5 mm threads). Does anyone know where I can find the "Max Flow Rate" and "Bypass PSI" for these filters? Here is what I have so far. At the same time, I do not want to starve my engine from receiving adequate amounts of oil when I am accelerating hard (eg, passing three cars in a row going down Carefree Highway). I know that oil and oil filters are personal preference. I also read that the FRAM filters, especially the lower cost models, are simply garbage. I read on many forums that the aftermarket filters are better than the OEM filters. I am having a hard time finding the "Max Flow Rate" and "Bypass PSI" for the oil filters. In other words, when the oil pressure going into the filter is 8 psi greater than the oil going out of the filter, the bypass kicks in and the oil free-flows around the filter medium and goes back into the engine unfiltered until the oil flow requirements go back to normal - until you stop accelerating so hard. The Yamaha OEM oil filter has an 8 psi bypass valve. I just found out today that we need to have a high "flow rate" and a low "bypass PSI" for our filters to be the most effective for our fast motorcycles. I have just turned 10,000 miles on my 2015 FJR1300A, which I just bought on September 2, 2016. I put 12,000 miles on the police bike until I fell in love with the FJR1300. I rode that bike all over! I sold it with 38,000 miles when I decided to purchase a Honda ST1300 Police bike with ABS. I removed the Bosch 3300 filter and put on my "typical" filter, which is the Purolator L14610. However, when I accelerated to pass a car, the oil light would come on. I switched to a Bosch 3300 since it had a better cleaning efficiency rating and I read good reviews. If the bypass psi is low enough, the bypass will kick in at the correct time and allow the oil to circulate unrestricted until the oil demand returns to normal. The engine may not get enough oil to meet its demand. When you accelerate hard, the oil may not go through the oil filter fast enough to meet the demands of the high-revving engine. Now, here is where the bypass makes a huge difference for me. However, when the oil is cold and "thick", the oil may not pass through the oil filter fast enough so the bypass kicks in and allows the thick oil to circulate unfiltered. In other words, most of the time, the oil is filtered as it passes through the oil filter. The bypass filter kicks in when the oil pressure of the oil coming into the filter is greater than the oil pressure going out of the filter by the bypass differential amount. I discovered that the bypass psi is a critical aspect for the oil filter. I read quite a few posts here and other forums. Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types.I got bored today so I started researching oil and filters. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.Ĭonversion calculator for all types of measurement units. The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher. The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The definition of a pascal is as follows: The SI prefix "giga" represents a factor of Psi to gigapascal, or enter any two units below: Enter two units to convert From: You can do the reverse unit conversion from
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