Been wrestling with this bike for a few months. Worked off a lot of PO issues to finally get it running enough to get it on the road legally. Legality does not equate to ride-able though. I took the carbs off and somewhat cleaned them. I say somewhat because I haven't replaced the O-rings YET. They're ordered and en route.
I received the bike with what looked like air filters from a weed wacker just kinda shoved onto the intake. They didn't even match. There's an aftermarket exhaust also. I picked up a set of UNI pod filters. Before you comment, there's also an exhaust on it, so I was going to have to deal with too much air anyhow. I'm not going for original spec, so don't bother trying to convince me of that route. Even if I did get everything back stock, it'd be the same procedures in an attempt to make it all run right again anyhow since the PO had no regard for factory anything. That sort of advice isn't helping. It's trying to turn my motorcycle into a revival for the factory specs. I don't want factory. I want working with what resources I have. If I wanted to spend another $800 to get all OEM stuff on this bike, I would have just bought a different bike. But I didn't. I bought this one.
Now that I've addressed the purists who claim that no cv carb can be tuned without an airbox and other such negativity, lets get to my issue. I turn the bike on, and it instantly shoots to around 4000 RPM. With the increased air both in and out, I believe the issue is now too much fuel. I can take the throttle cable completely off and it still does this, so no adjusting that will help. Pilot and other such adjustments are too small to really make a difference. There is suggestions that there's an air leak, which I may have considered if I didn't just have a ton of air already being supplied with little restriction already. An air leak may be the issue, but i'd like to work from the fuel side first. The main jets have "115" on them. My thoughts, based on what I've read, watched, and gleened from other forum posts on here is that I need a more restrictive main jet. If that is a wrong idea, please do correct me.
I have actually ridden this bike with the idle issue, which made it quite fun when it came time to shift. So, the engine and tranny work great. I just have to calm this hellcat down a bit. Thanks in advance for advice I can act upon.
If you want photos or video of something, let me know.
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