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  1. benroloff

    1971 cl100

    Parts from David silver spares showed up in the mail today so after work I was able to get it all thrown back together and got the ol girl running again. Did several oil flushes before starting and i will probably do one right away after breaking in the rings. Ran it for about 30 seconds before...
  2. benroloff

    1971 cl100

    I have heard of this but I wouldn’t have thought it would go back as far as this bike? Sent from my iPhone using DO THE TON
  3. benroloff

    1971 cl100

    When people ask I’ll tell them this is why I only did a lap… make me sound all smart and stuff Sent from my iPhone using DO THE TON
  4. benroloff

    1971 cl100

    Worked on the e-ignition project a little more. Made a trigger out of an oil lite bushing and a high temp magnet. Just used a hand file to make the notches for the mechanical advance. Everything functions properly and the trigger activated the sensor just like it should. Also got an old Sun...
  5. benroloff

    1971 cl100

    It is non-ferrous for the most part. Some globs of it did stick to a magnet, but consider that the rings that weren’t broken were very worn, so in theory there could be some ring material in there, and like I said I’m sure the po never cleaned the filter so it’s likely everything in there...
  6. benroloff

    1971 cl100

    Cylinder is back from machine shop, looks very nice, now just waiting on rings and some other engine stuff. I checked the oil filter today for the first time since I’ve owned the bike, which is stupid, I know I should’ve done it before now, but long story short there was a fair amount of metal...
  7. benroloff

    1971 cl100

    Machinist said the same thing. There is some wear but it doesn’t seem too bad. He said it likely won’t be a perfect seal but it’s not gonna hurt anything. I’m not going to stress over it too much unless it ends up really affecting compression a lot. If that’s the case I’ll find a piston and put...
  8. benroloff

    1971 cl100

    Dropped the cylinder at the machine shop today. Bore came back at 50.5, which is what it is from the factory, so a hone and some new rings and we should be back in business Sent from my iPhone using DO THE TON
  9. benroloff

    1971 cl100

    I’m definitely planning on using a magnetic pickup tool, but I hadn’t considered compressed air. The guys that have been doing this stuff for years never cease to amaze me, and just when you think you have a pretty good idea of what your doing lol. Like I said, I’m pretty sure nothing fell in...
  10. benroloff

    1971 cl100

    Well when I bought this pig I never did a compression test, I just decided that it ran well enough for me, and if compression was a little low, so be it. A few days ago however, it was smoking out of the breather a little bit after some harder riding, so I pulled the oil cap off while it was...
  11. benroloff

    1971 cl100

    Im not sure, I looked briefly but didn’t find any info. It’s entirely possible that the magnet just doesn’t get that hot and so it doesn’t really matter, but in the event that it does become an issue I did find some neodymium’s that operate up to like 300f so I can always go to that. I can’t...
  12. benroloff

    1971 cl100

    Finally got the pcb’s that I ordered for my little electronic ignition experiment a few days ago. I ended up with a short circuit on the first board and ruined it and a transistor, thankfully I ordered extras and I was able to get one together today and test it. I used a magnet spun by my drill...
  13. benroloff

    1971 cl100

    Hmm, hadn’t considered that. Guess I should look at the simple things first. Thanks! Sent from my iPhone using DO THE TON
  14. benroloff

    1971 cl100

    I am having some issues that I hope someone here might know how to fix. I always try to get the bike up to temp before taking it for a ride, and it always runs very well. Steady idle, and it will idle for as long as I let it with no issues. But after I ride around for a while and come to a stop...
  15. benroloff

    1975 CB125 Tracker project

    I’ve had good luck with them. I received a faulty float once from them and they sent me a new one no questions asked immediately, so good customer service if you ask me Sent from my iPhone using DO THE TON
  16. benroloff

    1971 cl100

    Cool! I considered doing a system that was fired off of the points, but that obviously wouldn’t solve any points float I may be having, and this seems almost as easy as doing something like that. In theory I should be able to swap back to the points very quickly, the pcb just takes the place of...
  17. benroloff

    1971 cl100

    I ordered some custom pcb’s tonight that should allow me to create a custom electronic ignition. I didn’t want to shell out an arm and a leg for electronic ignition for a bike I paid so little for, but I am having some issues with it breaking up at higher rpm and I think that is points float. My...
  18. benroloff

    1971 cl100

    I also did some work on the seat pan last weekend. At some point in the last 50 years, the back 3 or four inches of the seat pan either broke, or rusted away. There was no metal behind the rear seat mount at all, which also meant that the back of the seat cover wasn’t secured to anything, which...
  19. benroloff

    1971 cl100

    Well I’m now confident in saying that the 12v swap has been a success. Today I got another half hour or so to work on the bike, and now I have fully functioning headlight, taillight, brake light, and dash lights, all led. The battery is charging at about 13v at idle and about 14v when revved. It...
  20. benroloff

    1971 cl100

    Probably. Honestly I’d buy another bike before I swap this one. Swaps are cool for sure, but the little 100 in this thing is kinda cool. It’d get me most places too realistically so long as I avoid highways. Of course that’s irrelevant as I don’t have it registered for the road. I really want to...
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