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Thanks for the link CALfeRacer! I was wondering if anyone might have come across a similar issue when installing turn signals.... Yesterday, I figured out the circuitry for the turn signal installation with a little help from a wiring diagram I found online for a CB 125 S. I found I needed a...

Thanks for all the input guys! I think I am going to end up rebuilding the top end around the middle of July, which gives me time to clear off that work bench and get some funds for the parts I'll need. Replacing the engine would be nice, but I'm not sure if I am going to call it quits on the...

I want to get some opinions on a few things I've noticed on my bike: 1). The blue smoke coming from the bike is definitely oil burning. This could be various things but I've narrowed it down to the Valve Stem Seals being worn and/or the piston rings being broken. I took it to my local...

I think it could be the ring. The smoke is blue-ish and the oil seems to be burning off as the oil level seemed to go down pretty quick after running it for a bit. I'm getting an Air filter today so I will mess with it more. I will keep updating this thread as things progress.

I was thinking just a regular pod filter might work alright? Yeah, its a carbon fiber exhaust, not sure where the previous owner got it from. Might consider changing it out for another. So an update on the progress today. The carburetor I have on the bike is called a Minhua (?). Its a Japanese...

I'm actually going to end up replacing the carburetor.....after looking at the carb thats on there (a cheap Japanese knock off...not a Mikuni) I am thinking it will solve a fair amount of problems. The carb I'm getting is a Mikuni 22MM (VM22-133) Carb from AGK. I'm going to use an intake...

Hello, Welcome to my thread about my recently purchased 1979 Honda CB 125 Cafe Racer! I know there will be many topics and issues arising in this thread that have already been mentioned in others, but I'm making this thread to book-keep my progress on tuning and fixing issues that arise with...