2002 CBR 954RR no spark on any plugs
#21
Nothing engine wise has been taken apart. Bike was wrecked. I was told the ECU came off during the wreck. I believe we have eliminated enough issues to go ahead and point to the ecu? All greens have ground at light gray plug. Fuel pump kicking on. All injectors and coils have 12v. I’m not getting any ground pulse anywhere, not even at the light grey ecu plug black/white wire.
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We had the same problem on a couple of our cbr bikes. In the end it was cam sensor on both. We did check the resistance but it appeared fine off the bike. It was only after hours of checking everything and we replaced the cam pulse generator we borrowed a cam sensor and that was the problem sorted. Bought replacements off ebay about £45, each
They are simple to remove so well worth a check..
They are simple to remove so well worth a check..
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Al1040 (07-03-2024)
#27
Sorry, missed this earlier. This should be grounded through safety interloc switches. Measured with red probe on grn/red and black probe on chassis-ground should be close to 0-ohms.
And yes, pulse generator trigger fingers being off would still generate required 0.7 VAC minimums, but timing will be off and you won’t get spark. Those fingers are really easy to bend. Just putting cam on bench when doing valve-clearances is enough to bend them.
And yes, pulse generator trigger fingers being off would still generate required 0.7 VAC minimums, but timing will be off and you won’t get spark. Those fingers are really easy to bend. Just putting cam on bench when doing valve-clearances is enough to bend them.
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