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I’ve made some progress but it still runs poorly in the 5-6000 RPM range. The plug is showing a rich burn (very black). I adjusted the needle ending up at the leanest setting and there seems to be improvement but not a solution. Air intake is a pod. I tried running with it removed and there was...
I’m going to follow your (and Trek97’s) lead on the 6v H4 headlight conversion. Are you happy with bulb? There seem to be several varieties on eBay. Do you have a link? I was recently burned by “6v” led signal lights from eBay. They worked but were really 12v lights, and too dim at 6v.
Did you...
I just read your entire build thread. Great job. I’m going to be asking questions! :)
First off... is your carb a 660A or 660B? My bike has never run well, even before it sat outside for 15+ years. It seems the carb is an issue. Of course I took the air box off and added a pod, so I may not be...
Well, I just had some good luck. When cleaning the carb (again) I realized before I rebuilt the engine I had tried a few things to get it to run better. I had switched the main jet to 105 to match CB125 spec and I had adjusted the needle to lean it out. I went back to a 98 jet to match 660A spec...
So... I’m having trouble with the engine. Starting around 4500RPM it starts running really rough with no power. It idles great and runs/rides well if you keep the rpms low. I assume it’s the carb, because I adjusted the timing recently. But after I exhaust the carb rabbit pit, I’ll recheck the...
Hey Maritime, sorry for not replying sooner. How’s your build coming along? My progress has been so slow, I never feel like it’s been worth posting. However slow, it’s continued. Mechanically it’s back together except for the front brake cable. I still need to install/wire the lights. I’ve rode...
Yes, I must admit, the amount of cleaning has been in a pain in the ass... every time I think I've rounded the corner, I find another part with 45 year-old gunk baked on it and/or a ton of rust. That said, the most rewarding aspect of this project is when these parts start to look new or...
Still so much to do, but I'm getting close to starting the process of putting the pieces back together. There is still a lot of parts cleaning as it comes together but I'm excited to be on this side of the hill. Critical point in the process... now, which part goes where??
This is not even...
Next was removing 40 year old grime and rust off the frame and some of the steel parts. It took some wire brushes, a variety of soaps, and ultimately (against my desires) some gasoline. Not great for the environment, but gas and some elbow effort is an amazing grease and grime remover. It was...
As I read what I've recently written, it all sounds so easy. It wasn't. I was constantly searching up stuff on this site, studying YouTube videos, and trying to read between the lines in the shop manual. It was slow going and I had no idea what step was going to be the next step until I was...
I cleaned the piston head, the valves, and did a deep clean on the exhaust port (I guess that's what it's called??). I lapped the valves and hopefully didn't over-do it. I put it all back together with new gaskets and o-rings, set the timing, and hopefully she'll run better than ever... at some...
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