My VStar 650 decided to hate me recently. Occasional no-start, when it does start it runs rough. Sometimes it will idle perfectly, but then anything above ~20% throttle and any sort of load and it bogs down hard.
Timeline of events that led up to this:
Converted to a peanut tank
Ran open carbs at first just to make sure everything was hooked up, and it actually ran decently well. Fired right up but started to run lean under load. Threw individual pod filters on and messed around with taping them to restrict airflow and got it running pretty good. Not great, but enough to drive home over a big ass hill and hold WOT without sputtering too much.
Big ass hurricane
Couple days later a hurricane hit and we got a ridiculous amount of rain. Bike was outside and uncovered (I know, I know.) Went to fire it up the day after and the starter interlock relay was interrupting power (got a few starts intermittently.) Traced wiring and it seems good. Took interlock relay in for a day to reference the part number. Since I was getting an intermittent start before I decided to throw the old relay back on and vio-la, it works perfectly. Cranks everytime.
Now it cranks but wont fire. When it does fire, it very rarely runs. When it runs, it bogs down under any sort of load.
I was thinking stuck floats from debris in my old tank, so I cleaned the carbs out. Helped at first.
I was thinking bad A/F ratios due to the pod filters so I played with the float levels. Helped at first.
Now, the problem seems to be getting progressively worse.
Went out to play with it today and, on a dying battery, I had a runaway starter. As in, took my finger off the starter switch and it kept going...flipped the kill switch, and it kept going...turned the ignition off and took the key out, and it kept going...
Im at my wits end with this thing. Im thinking now my problems are mainly electrical and related to the starter interlock relay, but I want to ask people who are more knowledgeable than me before I start tearing into wiring.