Question about 2000 kawasaki ZXR 400

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Bike stopped in traffic, wont start!

My bike is a 1999 L9 UK spec,I've had the carbs rebuilt recently including new o rings and a service on the jets, and a new battery and exhaust aswell as plugs and oil and filters. I know the tank is clean because i flushed it myself. The bike spluttered and stopped following a couple of weeks of unsteady idle, now the bike turns over but will not start. Before i strip the bike to get to the fuel pump i tested the pump relay with a small ohm meter and got a very high reading on terminals 3-4, would this cause the bike to conk out and not start? apart from the pump itself is there anything else i should look for? thankyou.

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