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1. Make sure tank has fuel and is not stopped up. Make sure petcock is clean. If this is a vacuum feed - make sure the vacuum hose is not cracked or have any leaks. Disconnect the fuel like going to the carbs , then use a manual vacuum gage to pull vacuum on the petcock to see if it fuel from the carb lines. If it doesn't, you have isolated the issue! If it does flow fuel, reconnect the carb fuel lines, then remove the float bowls from the carbs then repeat the process, If no fuel is flowing out, you have found the problem, If it does flow, you fixed it
I would check the fuel tank air inlet pipe. If blocked it will create a vacuum and stop the flow of fuel. Did the bike cough and run rough, like fuel starvation before it conked out? If so that is a clue to fuel starvation.
This could be caused by worn needles, gummy gas, or sunk floats. But it can also happen to a brand new motorcycle. If one needle sticks, it can fill a cylinder with gas , that then flows past the rings into the oil. Try using some fuel system cleaner in your tank (Chevron Techron will clean the carbs and the motor). But most of all ,when not riding, ALWAYS TURN OFF YOUR FUEL PETCOCK.
hi m8,, pretty much any fzr motor will fit,, the only thing thats different is the water pump pipe from the rad to the pump at the bottom of the motor,, so may have to re route it,,check that 1st b4 gettin the motor, appart from that all engine bolt holes will line up and the rest will fit,, cheers m8
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