Posted March 15, 20159 yr Hey, I have a 2005 Dragstar 650 with 28k miles on her. Recently the speedo cable broke on me and when I drove it, and tried to redline it , the engine management light would come on and a rev limiter would kick in , like the bike was choking itself , there was 3 flashes of the engine management light when the kill switch was hit So I replaced the speedo cable thinking it was that causing the issue but its still happening :S Now there is 4 flashes of the engine management light instead What has changed since before this happened: *Engine oil change *HID kit installed ( No wires modified to do this - its plug & play) *Basic alarm installed (Only two wires to the battery - no wires modified) *Speedo cable broken What i've tried so far: *Speedo cable replaced *Disconnecting the the loom and the alarm/HID kit from the battery overnight *Tested the resistance of the TPS sensor which is reading at just over 6ohms Anybody ever come across this ?
March 21, 20159 yr Author update on this: When driving at 50mph in 5th, if I pull the clutch lever in, and pin the throttle its fine, no management light is thrown up and it revs freely When i release the clutch and pin the throttle and the revs climb , the light comes on and the revs limit :S
March 22, 20159 yr Aye finch " there must be a sensor fault, youl need to get it plugged in to a diagnostic lappy, to clear the fault ,or renew the sensor,
March 22, 20159 yr Might be unrelated but did you replace the speedo cable with OEM or some cheapie alternative? Word of advice: use the OEM cable, as the cheapies are not quite the right length they should be.
March 22, 20159 yr Author Yeah , Ill have to bring it into a local dealer at this stage , hopefully it isnt the CDI unit, they cost quiet a bit, maybe just the TPS Used an alternative speedo cable , was the exact same length as I still had the old one thrown on the garage floor and compared them
March 22, 20159 yr When I used the alternative, it kept coming loose at the bottom. Never figured out why. Then I bit the bullet, got the OEM one and no probs since.
March 22, 20159 yr Author Ah right, well no problems with it so far anyway, besides my missing 2krpm lol
April 7, 20159 yr Author FYI Fixed it thank god Noticed that there was a slight nick in the positive wire coming from the loom , that connects to the rear cylinders ignition coil Wrapped it up and the massive 40bhp has been restored
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