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i’m the original poster from a year ago. I ended up selling the bike. In my scenario I didn’t end up having to mess with the valve clearance, but guys have told me that it can cause a runaway. Usually that would be last case scenario I would believe. Other things are probably contributing to the...

Hey, i am the original poster. I got a used airbox off eBay with a new filter and the runaway engine went away! It still wasn't running super great because of the timing. I had another problem with not being able to adjust my timing bc I was out of rotation on my ignition timing plate. I ended...

nope i had already checked that. I ended up take a grinder and notching out the ends where the screw goes so that i can turn the plate further. I know that not the proper way about solving the problem, but hey the bike is perfectly in time and running better then factory!

***Update this is for anyone that has the same problem in the future. I just ended up grinding some of the plate off on the top and bottom where the two screws hold the plate on to rotate. Whether this was the theoretical "correct" idea of solving the problem, probably not. But it did work for...

quick question. What type of air filters are you using? Are you using the OEM airbox or are you using pod filters?

Hey guys, so this is my first bike i’ve been working on and have came a long ways to get it running. I’ve finnally got it so that it somewhat runs but the timing is way off. I’m out of rotation on my plate to get it lined up with 1-4 on my advance mechanism. For reference the picture shown is of...

By chance did you ever figure this out baldjeff? i’m dealing with this exact same problem with the exact same bike.

thanks for the info. To probably make matters worse there just cheap air filter pods off of amazon lol. Not even the nice k&n ones people talk about using lol. I’m gonna try to find a stock one on ebay since the bike didn’t come with one when i bought it. Thanks!

gotcha, okay thanks so much for the advice. i’m going to take off the advancer tomorrow and try to find some youtube videos on cleaning it and make sure it works properly. I’ll let you know what i find out. Thanks again!

so the picture i took was from when i took a video of the bike idling with a timing light. the picture shown is when the light on the timing light goes off. I haven’t check the advancer yet (because i don’t even know what it is. remind you this is my first time working on anything like this)

I was using a timing light, and yes i’m aware of the dowl pin. I’ve take the mechanism of and made sure the dowl was set in its correct place. This picture was taken after i had done that and as you can see the timing is still way off, and out of adjustment.

ok sorry it’s not the best pic, but as you can see the black arrow i drew is where the timing is supposed to be set and right now it’s way to the left, but i’m out of room to adjust it with the plate.

so my choke cable and linkage is in working order. I have not made any jetting changes to the carbs. The reasons i have pod filters is mainly because i bought the bike not even running and the previous owner didn’t have the original air filters. I’ve read all over seeing how it wont run right...

I have not yet, that’s my next step. Hopefully i’ll get it done tomorrow. I’ll keep you updated if i figure anything else out.

yea i have and I can’t find any leaks. They are brand new boots that i bought from 4into1.

Thanks. Yea don’t think it’s the floats, none of them are stuck. Plus like you said none are leaking from the overflow.

Hey guys, I have a 1980 CB750k that I bought for very cheap as a project bike. This is my first bike so everything is new and a learning experience. So let's get to the point of why I am making this post (I've tried researching all over before making this post). Essentially I have got the bike...