Recent content by flynlo

Appreciate the replies. I’ll put some work into the engine and give it a fair shake, see how it’ll run. Truth be told, I had already ordered replacements for the worn cam chain bits before I noticed the damaged seats in the cylinders and upper case half. The rest of the engine is in great shape...

Long story short: I bought a '77 CB750F, mostly original albeit some UNI pod filters. Typical blemishes given the age, condition and backstory of previous ownership. Factory original cracked tires and rusty drive chain and a few shade tree mechanical band-aids. When the gent I bought it from...

Can confirm! New Reg/Rec and new coils and the 550 is back up and running.

I think I found the culprit. The white field coil wire coming out of the reg/rec had a small cut that led to a short or a malfunction of some kind, I believe that led to burning out the right coil pack. I found molten plastic oozing out of the coil where the signal wires enter the back of the...

Appreciate that. Back home from the lake so ill get the multimeter out and see what I can find, the battery is on the charger now. The whole situation of a sudden boost of power reminded me of an old two-stroke engine, runs best right before it explodes. ;D

I thought that too, like maybe it threw a spring or the cam lobe wore out on the spark advance. I’ll check and reset that but, it wouldn’t explain the electrical fault I was receiving. After watching a video about the pervious version of the M-Unit I think I may have figured it out..... One...

Afternoon everyone I recently finished a ground up cafe build on a 1975 CB550F. It’s been running like a top and pulls like a small train. I’ve ridden about 150 miles since I finished the build and I’m extremely pleased with the way the bike has been performing, until last night. Details...