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TBH i'm still not convinced my main issue is fuel delivery because it has run all of these jetting settings fine previously. However i'm sure it's part of the problem. I'm running a stock 6DH8 needle at middle clip. I have access to a 6DH4 which I believe is a bit of a leaner needle taper. I'm...

'I finally got it running well enough to ride for longer than a few minutes. Took it on a nice long ride...' Essentially means I was riding it around the neighborhood many times leaning it out and then 1 long ride over an hour, a few down the street in between. All running strong. But still...

That makes perfect sense. The simple physics of going from 2 big bore carbs to 2-double manifolds makes perfect sense. And would make complete sense why this motorcycle would never run right. But it did. For months. Albeit rich. And i'm simply trying to track down what changed that and why I can...

I purchased the carbs when they still made the dohc kits. I spoke with him and he said he took them off the website due to fitment issues on the stock frame. I purchased another manifold from speedmoto as it fit better and the fuel routing was much more direct, if not close to equal on all four...

Cycle X for the Carbs, Speedmoto for the intakes. I have 12 volts for sure. Could a kill switch have anything to do with what i've got going on? Running NGK D8EA non-res plugs but the plug caps have a 5Ω symbol. Any chance you could link non-resistance plug caps?

I picked up a spare wiring harness today and am going to see if that changes anything. Otherwise, once again I am completely at a loss.

The carbs were pre-jetted for DOHC's. I hear what you are saying. I agree with you. You can't run from physics. But I will say this bike has run at every jetting combination ive tried for months. And it was running very decent until I lost spark in 2/3 recently, albeit rich. Nothing ive tried...

Thank you for getting back to me so fast. Compression is 150 +- across the board on my cheap compression tester. I have not checked the valves since before my first "ride". Will do that right now. I'm aware of the drawbacks of running a 2-4 system but I won't pull and rebuild another set of CV...

I have been slowly rebuilding a 1980 CB750F Super Sport for the better part of 5 years. It's been a saga blah blah blah. I finally got it running well enough to ride for longer than a few minutes. Took it on a nice long ride to see what the plugs were doing. Pulled them, rich, re-jetted, started...

Hey man how do I get ahold of you I’ve got some questions about the 2-4 setup.