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Commonly used Fuel injection Acronyms for sensors and components EFI = Electronic fuel injection ECU = Engine control unit TPS = Throttle position sensor ETC = Engine temperature coolant IAT = Intake air temperature MAP = manifold absolute pressure FI = Fault indicator DTC = Dynamic traction control RPM = Revolutions per minute LM = Launch mode QS = Quick shift GP = Gear position TDC = Top dead center BDC = Bottom dead center Starter relay Kill switch Map selector switch INJECTOR Tip over sensor Battery Fuel pump Fuel pump pressure

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Step by Step Honda CRF450R XPR Clutch Arm Install  Overview Instructions on how to remove OE clutch arm and install an XPR custom clutch arm. Important note: Use the torque values listed in the instructions. Otherwise, use the torque specifications found in your OE service manual. TOOLS Metric socket set (at least 8 mm & 10 mm clutch nut removal) Torque wrench (in-lb & ft-lb, or N-m)  Start with have bike on a stand. Back off tension from the clutch cable by turning the clutch perch    clockwise.   Remove clutch cable bracket with the cable from the left side cover. Lay...

Chad from XPR Motorsports talks with Michael Lindsay from Vital MX.