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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: komandoalicante on December 03, 2013, 07:33:27 AM
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Hello would need technical information about the two types of injectors that take our bikes to whether such pressure regulator.
thanks in advance
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These engines use common Bosch injectors. There are many options for flow rate. What do you need to know?
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I need to know all the features.
The fuel in a completely open minute.
Minimum impulse voltage
Minimum Allowable Current
maximum current
minimum time of distress
cutting time
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I've found that the available information is not absolute. This is the I have found for flow:
Bosch injector 0 280 150 210 (used in K100) Flow rate (Static capacity [100% duty cycle, n-heptan]) @3bar = 116 g/min
I've seen flow rate numbers higher and lower than this one, but not by a large amount, and this is the technical spec done with heptanol, so the others might have been using gasoline. Flow is often presented in cc/min or lb/hour, so it could also be that someone used slightly different conversion factors from g/min.
Also, I'm pretty sure the K100 uses a 2 bar or 2.5 bar fuel pressure regulator, not a 3 bar, so the actual flow rate on the bike is lower. EDIT: Confirmed 2.5 bar, p/n 0280 160 200.
Bosch injector 0 280 150 210 Resistance (ohms) = 16.15
I don't have the specs for current and voltage, but you could research them with the part number.
The OEM spec injector is a Bosch type 1/A, with a single pintle outlet. I am changing to type 1.3/C with 4 hole sprayer, using part number 0 280 150 921. This injector is a 117 g/min flow and 15.9 ohm, so almost identical specs to original.