Honda TRANSALP XL600-650V (1987-2002) [129/291] 2 fuel and exhaust systems

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4 2 Fuel and exhaust systems Jet sizes Pilot jet XL600V and XL650V models 38 XRV750 L to N 1990 to 1992 models 42 XRV750 P models onward 1993 on 40 Main jet XL600V H to R 1987 to 1995 models Front cylinder 128 Rear cylinder 130 XL600V T 1996 models Front cylinder 118 Rear cylinder 120 XL600V V to X 1997 to 1999 models Front cylinder 115 Rear cylinder 118 XL650V models Front cylinder 132 Rear cylinder 132 XRV750 L to N 1990 to 1992 models Front cylinder 118 Rear cylinder 122 XRV750 P to S 1993 to 1995 models Front cylinder 118 Rear cylinder 120 XRV750 T models onwards 1996 on Front cylinder 115 Rear cylinder 115 Fuel gauge sender unit XL650V models Sender unit resistance Full position 9 3 ohms Empty position 92 3 ohms Torque settings Exhaust system Downpipe nuts 27 Nm Clamp bolts 21 Nm Fuel level sender unit nuts XL650V models 7 Nm Fuel level sensor XRV750 L to N 1990 to 1992 models 23 Nm Fuel tap nut XL600V models 40Nm XL650V models 27Nm XRV750 L to N 1990 to 1992 models 23Nm XRV750 P models onward 1993 on 34Nm 1 General information and precautions General information The fuel system consists of the fuel tank the fuel tap s and strainer s the carburettors fuel hoses and control cables and on XRV750 models the fuel pump and in line filter XL600V models The fuel tap is semi automatic in that it has both a manually operated valve and a vacuum operated valve and has an integral strainer inside the fuel tank The manual valve need only be closed FUEL OFF when the fuel tank is removed With the manual valve open ON or RES the automatic valve is opened by a vacuum acting on a diaphragm the vacuum being created when the engine is turned If the manual valve is closed the diaphragm valve will not bypass it when the engine is turned The reserve RES position on the fuel tap allows a few miles to be covered after the main tank has run out and serves as a low fuel level warning The carburettors are Keihin CV types For cold starting a choke lever mounted on the left hand handlebar and connected by a cable controls an enrichment circuit in each carburettor Air is drawn into the carburettors via an air filter housed under the seat The exhaust system is a two into one design XL650V models The fuel tap has an automatic vacuum operated valve with an integral strainer inside the fuel tank The valve is opened by a vacuum acting on a diaphragm the vacuum being created when the engine is turned There is no manual facility on the tap There is also no reserve facility but a level sensor Inside the tank transmits to a fuel gauge in the instrument cluster The carburettors are Keihin CV types For cold starting a choke lever mounted on he left hand handlebar and connected by a cable controls an enrichment circuit in each carburettor Air is drawn into the carburettors via an air filter housed under the fuel tank The exhaust system is a two into one design XRV750 models The XRV750 L to N 1990 to 1992 models have two fuel taps and P models onwards 1993 on have one tap Each tap is of the gravity feed type with an Integral strainer inside the fuel tank The taps have a manually operated valve which need only be closed OFF when the fuel tank is removed When the manual valve is open fuel flow is created by a pump which is controlled by a relay that actuates the pump circuit when the engine is turned If the manual valve is closed fuel will not flow when the engine is turned