I HAVE A TTR600 2001 I THINK WAS REGISTERED IN 2003 BUT CANT GET A SPARK . TRYED ALL USUAL TRICKS BUT NOWT ON THE ODD OCASION OVER THE LAST FEW YEARS THAT IT HAS STARTED IT RUNS PERFECTLY TILL YOU STOP IT THEN NOWT . HAD AUTO ELECTRICIAN IN PIN POINTED CDI UNIT WHEN TO LOCAL DEALER BUT THEY WERE WEARING MASKS AND WANTED £850 . SO SENT IT TO ELECTREX WHO SAID IT WAS OK . BUT STILL NO SPARK !!!!! HAS ANYBODY ANY IDEA PLEASE, BIKE WAS MY BROTHERS WHO SADLEY PASSED AWAY SO WOULD LIKE IT UP AND RUNNING

The HT lead sucks on these bikes...... check both ends are firmly connected and not loose. That happens on mine now and then, but it does live in a wet place,, with lots of mud and crap !