View and Download Honda 2004 CRF250R service manual online. REMEMBER: The throttle position sensor (TPS), at closed throttle, produces a low voltage signal of around 0.5 Volts DC. ECT sensor Engine Coolant Temperature sensor HPSD Honda Progressive Steering Damper IAT sensor Intake Air Temperature sensor MAP sensor Manifold Absolute Pressure sensor MIL Malfunction Indicator Lamp PGM-FI Programmed Fuel Injection TDC Top Dead Center TP sensor Throttle Position sensor 122. 117. Perform a Honda throttle body relearn . 2005 HONDA CRF250R. ... Quick-adjust clutch perch for easy cable adjustment. Now that the carbon buildup is gone, you must “teach” the computer where the fully closed position is. Accelerator Pump/Float/Jets. • Route the throttle cables (1), hot start cable (2) and throttle sensor wire correctly. As the throttle plate starts to open (as you step on the accelerator pedal and accelerate the engine), this 0.5 Volt signal starts to increase. As you change any of these items, you may also need to adjust your jetting for optimal performance. Learn bad throttle position sensor symptoms now so that you can take care of this engine problem as soon as it arises. When setting the timing, I give the throttle a quick zero to 100% to zero crank while taking note of the back of the throttle … 108. I do know i need 4.77 put thru that formula if anyone knows how to do that. A throttle position sensor consists of mechanical parts which may become worn and require replacement. This is called a Honda throttle body relearn or Honda throttle … At wide open throttle, the TP sensor will output about 4.5 Volts DC. Remove the throttle sensor position out of the chamber. Use an anti-slip solution when needed to replace TPS. Throttle position sensor, it tells the cdi map where things are at. The first photo is of the timing screw location on this 2007 CRF250R FCR carb. How to Adjust the Throttle Position Sensor Before adjusting the TPS make sure that you do a carb sync and set the idle speed beforehand as this could effect the reading. ... Carburetor Adjustment, Major: for Temperature and Altitude. The Honda CRF250R is a motorcycle produced by Honda from 2004 to 2008. Reinstall the Honda throttle body using a new gasket and torque to specifications. #Step 4: Replace the newly installed throttle position sensor, and set into the throttle chamber again the right way. Tuning Information Chart '04, '05 ... Jet Needle/Throttle Valve. • After installing the carburetor, adjust the throttle grip free play and hot start lever free play. #Step 3: Use an anti-slip solution to enable easy removal from the throttle chamber, or when needed to replace it. Top . Lastly, the throttle position sensor affects the ignition advance curve, and it must be adjusted to the correct position. 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