Originally Posted by David RSparky3
Good point, which came first the chicken or the egg.
Voltage only went down a little. Bike will or should run on 9.6 volts like when the starter is cranking.
Well the Saga continues. After an absolutely beautiful weekend of riding with excellent running and starting the whole time it seems like the gremlin is back again.
The bike started perfect this morning and ran well the whole way to work.
Then, when I left for the day in the early afternoon (2pm), the temperature was about 75 degrees and humidity was probably 70% the weird **** started happening again. This time different than before.
Pressed the starter and it clicked 3 or 4 times with no cranking. So I let off the button for 2 or 3 seconds and pressed it again and it cranked over this time. It took a couple seconds to start (this was new to me).
Once started it was sputtering at about 700RPM so I twisted the throttle just a tad to about 3K and it hesitated and then went back to 700RPM when I let off. So then I revved it and the cold start seem to kick in and it was idling at about 1700RPM.
As I rode off I notice it was jerky and exhibiting noticeable hesitation when the throttle rolled on to about 1/8ish to almost 1/4. The whole way home, regardless of speed or gear I was in when I had the throttle rolled one from just a crack to about 1/4 the same ****. 1/2 throttle and higher revs I cannot notice it.
It nearly stalled each time I would start rolling from a complete stop. I had to fan the clutch and rev the engine to get underway. It felt like my old 1979 RM100 2 stroke dirt bike all over.
I have yet to do any follow-up voltage testing.
I am sort of thinking electrical/ECU issue but it is only a hunch.
The bike is just now at 40,000 miles and I bought it new in July of 2010 so it has about 16 months cumulative life cycle on it.
Hit me with your thoughts VERSYS peoples!
Matt in Cape Canaveral, Florida