alanmacging Posted May 9, 2012 Posted May 9, 2012 I need an expert. ive got a yzf 750 with a miss fire.Runs okay for a bit them misses when warm. Ive changed plugs,coils,plug caps, air filter and rubbers,fuel tap diaphram,exup valve. I have ultrasonicly cleaned the carbs. The only part of the ignition system I have not changed is the pickup coil and the ecu but I cant keep throwing money at it. I have stripped and checked the loom and all seems okay. Just to rub salt in the wounds I have also put a new battery, chain and sprockets and downpipes on it too. I dont know what to try next, can someone please help before it gets broken for parts. cheers alan
Moderator Airhead Posted May 9, 2012 Moderator Posted May 9, 2012 can worn emulsion tubes do this? It's quite an old bike...how many miles?
mike1949 Posted May 10, 2012 Posted May 10, 2012 You want an expert? my missus reckons she knows everything! Mind you I was impressed when she rang me from her mobile while I was watching Shaun the sheep and said her car had broken down on her way to see her parents. She said the engine had cut out because there is water in the carb. "Blimey" I said, "how do you know that" "Because" she said. "The car's in the river"
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