Honda CT110 #3, Ignition coil and charging system

Going through changing the ignition coil on my CT110, and trying to make it charge. I was thrown off by a battery that was holding charge a week before I filmed this, assumed it was ok, only to find out it wasnt anymore. Just to make sure, afterwards I tried the old rectifier on the new battery, and it was still overcharging, so this new reg/rec unit did its job.

[@pujabelgian]

I didn't want a mc project. I bought a ct90 to ride.. it's turned into a mechanical course which I'm thoroughly enjoying. 😄

[@lks2992]

Thanks bro, great work. Saved tons of time.

[@CarvingAPath]

Great video lots of help thanks👍

[@tturner7786]

It's funny so many people chuck the battery last. I did the same but it should be the thing we test and chuck first with ct90s because it regulates. I just watched a video on swapping a coil on ct200 and he had to drop the engine... I'm assuming that's just a quirk of the older model. Either that or he didn't watch your video first 😆👍

[@leoleemu2033]

Good job!!

[@heckler3119]

Nice work mate, keep it up 👍👍👍

[@torquemonster8773]

Thanks!

[@AdventuresWithNimby]

Good stuff I wanted to pull mine to clean the ground.

[@gonzalezfamilyyuma]

thanks.

[@donaldgarin1938]

Do you know if there is any info on how to check the coil to see if it is good or bad ,,,Can't find anything online

[@torquemonster8773]

You need an ohm-meter to check for resistance between the small wire and the coil ground (metal part that bolts to the frame) and again check resistance between the spark plug lead and the coil ground. I dont have exact resistance specs on hand, but you certainly dont want to see an open or a dead short on either.
On a CT70, which uses a similar ignition system, the small wire to ground should be 9-11 ohms, and spark plug lead to ground should be somewhere around 10,000 ohms. Obvs thats a different bike but atleast gives a rough idea of what to look for.

[@TheScroof]

I’m curious about which stator wire you grounded. It looks like the pink one but from the schematic it seems like the entire output would go to ground and burn up the stator. I have the exact same rectifier/regulator. I’m still blowing bulbs. Help! Haha

[@torquemonster8773]

Yep, grounded the pink wire. Didn't seem to have any issues and put many hours on that setup without hurting the stator, and the new owner hasn't had any trouble either

[@GratefulEd907]

What year is that bike?

[@torquemonster8773]

I sold it a while ago, but it was either an 80 or an 82. Can't remember exactly