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Assembly of my '74 CB360

Narrowed down to apparently bad connection to or fouled left point.....Will advise once corrected.....

Here is some pictures of the points and points plate
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I THINK that the problem is a bad left point. Just my theory.

Typically when i am setting the timing, as i approach the LF mark the light will not even be on (I have a battery light, so i turns off at LF). So it should be on until i hit LF. Most times, i push just slightly on the point and then the light will turn on and everything works like it should.

Here in this picture, i am almost at LF and as you see, no light
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I pushed up on the bottom arm of the point, didn’t rotate the engine, and now as you see here it’s got a light
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I could maybe decrease the point gap for the left point but that may not be a good idea


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Did you clean the contacts with fine sandpaper, then wipe them with clean paper? That could be all it is.
 
Yes i did, i’ve done that a few times and just tried again. Steve suggested a nail file this time. Then i fold up some regular paper and wipe until the paper stays white


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Well if that doesn't do it, time for a new set of left points.
 
In the pics, I noticed some excess oil in the compartment and some smutz/grit that should not be present.....
A splashed oil droplet can foul point contacts....
I'd consider spraying everything down with some Brakeclean and then oiling the felt with ONE drop of 90 wt.....

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If that flag eyelet connector (bolted to the points) is turned down enough it may be touching the points base plate. Same type of problem when turned out too far and grounding on the cover.
 
Good ideas.
As a matter of fact, i think i’ve got an extra set of points. I can throw the left one on just to see if that’s actually the problem. Finals week for school so i’ll try to get out there sometime today or tomorrow


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I did it guys

https://youtube.com/shorts/9KLxLN4Cz1A?feature=share

I had told steve that on thursday and friday while i was away, my mother had stacked some couch cushions near my tank i has stashed away from everything. Unfortunately they all fell over and knocked the tank over too. It sat for at least a day in some gas so the paint is completely ruined by the time i found it friday afternoon. I bought the same paints so i’ll have to strip it off and redo it.
But still a big win today for sure


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Love the smile that sneaked across your face on start up...!
I did the same when my 73 CB350 started ( after a full restoration ) about the second revolution after its last start in 1987.
Very nice feeling..

Gary
 
I did it guys

Good job Avery, it was right there all along but you've isolated it and it's definitely a big win to get that out of the way.

I had told steve that on thursday and friday while i was away, my mother had stacked some couch cushions near my tank i has stashed away from everything. Unfortunately they all fell over and knocked the tank over too. It sat for at least a day in some gas so the paint is completely ruined by the time i found it friday afternoon. I bought the same paints so i’ll have to strip it off and redo it.

"Mom!" - Avery probably :lol:

Sorry to hear it man, but don't be too hard on Mom.
 
Good job Avery, it was right there all along but you've isolated it and it's definitely a big win to get that out of the way.



"Mom!" - Avery probably :lol:

Sorry to hear it man, but don't be too hard on Mom.

Accidents happen i’m alright with it. It didn’t come out exactly how i wanted so it’s an opportunity to fix a couple mistakes i made.
Here’s a pic, it’s TOO bad
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Wow guys. I am speechless. This thing is unbelievable. Much more power than i thought it would have. AND GUESS WHAT! It revs past 6k rpms!
Lol it doesn’t run perfect but it’s miles ahead of last year, literally. Definitely backfiring at idle, not sure if it’s the new pipes or something else. It only stuck just barely a couple times, probably just a little funk from sitting for a week with gas.

Seems i only have minor issues that have popped up. The turn signals and indicator all stopped working, my front brake switch wires i made came off, and and a left crankcase bolt came loose for some reason.

However, i still have absolutely zero neutral light. Probably just a bad bulb i can’t think of anything else

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Pretty damn happy


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Very cool, glad it runs well. If all you replaced was rings (pretty sure all you did was hone the cylinders, right?) then break-in is minimal and you don't really have to worry about anything except letting it sit still running too long and overheat.
 
Very cool, glad it runs well. If all you replaced was rings (pretty sure all you did was hone the cylinders, right?) then break-in is minimal and you don't really have to worry about anything except letting it sit still running too long and overheat.

That’s right. I was wondering about that, so i didn’t push it. Good to know


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That’s right. I was wondering about that, so i didn’t push it. Good to know


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Give it 50 miles or so of moderate to brisk riding and it'll be ready to redline. YOU might not yet be ready for that but it will be.
 
Give it 50 miles or so of moderate to brisk riding and it'll be ready to redline. YOU might not yet be ready for that but it will be.

I really was surprised what it could do with the 6 miles or so i’ve rode today.
I briefly mentioned in october i bought a Yamaha Virago 535, which i sold in january. It doesn’t feel like it has any less power than that did. Obviously it’s like the polar opposite power system with a v twin and shaft drive, but still.


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I really was surprised what it could do with the 6 miles or so i’ve rode today.
I briefly mentioned in october i bought a Yamaha Virago 535, which i sold in january. It doesn’t feel like it has any less power than that did. Obviously it’s like the polar opposite power system with a v twin and shaft drive, but still.


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Somehow I managed to miss that.
 
Somehow I managed to miss that.

I think i only made one comment about it so i wouldn’t be surprised if anyone knew.
Here is what it looked like
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Without a doubt my honda experience had been infinitely more enjoyable (and painful) than the yamaha. I just wanted to ride around on something for a couple months to get over having to tear down the 360. Sold it to a ghost busters cosplayer in january. WEIRD stuff


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Great. Ya know, the old ones didn't look right or they didn't look like a matched pair. The left one particularly, it was kind of hanging over the edge of the round plate. You're building a good arsenal of knowledge.
 
Good work, Avery! I'm glad to see your bike is alive again. Keep after those little things until you've got them sorted, too, and make sure your tail light and brake light are functioning properly as you work through your electrical issues.
 
Good work, Avery! I'm glad to see your bike is alive again. Keep after those little things until you've got them sorted, too, and make sure your tail light and brake light are functioning properly as you work through your electrical issues.

Those lights were the only ones without problems actually lol. Hopefully tomorrow i can get a gopro video of the bike and show you guys.
I can’t imagine the electrical issues will be too big of a problem, other than the neutral light. I probably just knocked the signal wires loose when putting on the headlight


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It’s not a handlebar ground issue i think, both the horn and low/high been switches work.
When i trigger either turn signal, i was not getting voltage at the connector. I can’t think why this might be?


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Alright well now i’m dead on the side of the road. I could feel it losing power for a mile or two and it was having trouble starting. Eventually it died out.
Got it started after 5-10 minutes but it died a mile or two from home again

The battery sounds pretty tired i was going to put it on the tender tonight anyways. I feel like that can’t be all it is though


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Check the plug from the alternator harness to the main harness, and check the rec/reg plug too. I know both have latches but if they weren't plugged in fully maybe they came apart. Then after you charge the battery at home, get it running and put the meter on it to check charging voltage above about 3000 rpm. IIRC you said yours has an ON/Off switch for the headlight on the right control, if you turn that off it will reduce the load and it might run longer.
 
Check the plug from the alternator harness to the main harness, and check the rec/reg plug too. I know both have latches but if they weren't plugged in fully maybe they came apart. Then after you charge the battery at home, get it running and put the meter on it to check charging voltage above about 3000 rpm. IIRC you said yours has an ON/Off switch for the headlight on the right control, if you turn that off it will reduce the load and it might run longer.

Well that seems to be all it is. It fired right up. It was at 12.2 volts so i’ll leave it on i think it’s supposed to be 12.5 if i remember. It was down to 11.5 so

Still am clueless on the turn signals. I can’t figure out what the issue is


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Turn signals: check that there's battery voltage at the Black wire into the flasher and same for the Grey wire out. Grey goes to the switch so check that there's voltage at the switch connector.
 
Turn signals: check that there's battery voltage at the Black wire into the flasher and same for the Grey wire out. Grey goes to the switch so check that there's voltage at the switch connector.

I’ve got battery voltage at the black but not the grey. I unplugged the grey wire under the tank that goes to the handlebar and it seems fine.
Plugged it back in but still nothing. Not with the switch engaged either

Edit: i can see just barely that the alternator plug is unplugged so that is obviously not good lol


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Well since there's no output power to the Grey wire you need a new flasher.

Really? That’s odd it’s brand new. Could i have fried it somehow?

Wait did you say grey OUT? As in out the multimeter probe on one of the flasher terminals? I didn’t do that i absolutely misunderstood what you said


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Power goes into the flasher via the Black wire and out via the Grey wire, it's a live circuit internally. The Grey circuit is basically a ground thru the switch and bulbs
 
So next would be battery voltage on the Grey wire into the switch, if that's good then power out at the Orange for left turn and Lt. Blue for right turn.

It seems the signals are not getting any power out. I checked the orange and light blue wires both under the tank and in the headlight bucket, signal switch on and off

The rest of that switch works, high/low beam and the horn. So i feel like the switch box is grounded and is getting powered.


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The switchbox doesn't need to be grounded, it just switches current from the grey wire to either the blue or the orange wire. Unplug the black and grey wires from the flasher unit, then connect them together, now you should have the turn signal bulbs lit up steady when you flip the switch either left or right. Once you sort out the connections and the grounds so the bulbs light up you can re-install the flasher.
 
The switchbox doesn't need to be grounded, it just switches current from the grey wire to either the blue or the orange wire. Unplug the black and grey wires from the flasher unit, then connect them together, now you should have the turn signal bulbs lit up steady when you flip the switch either left or right. Once you sort out the connections and the grounds so the bulbs light up you can re-install the flasher.

Okay so yes as soon as i connected those wires they do stay steady on. And when i reconnect the flasher i get nothing from them. But we’ve determined the relay to be functioning properly.
What am I missing?


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Okay so yes as soon as i connected those wires they do stay steady on. And when i reconnect the flasher i get nothing from them. But we’ve determined the relay to be functioning properly.
What am I missing?


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How did you test the flasher unit? Also, slightly off-topic but not really, what is your battery voltage after you charged it and let it rest? Should be no lower than 12.6
 
Sounds like the flasher's dead, or the battery voltage is too low. Most mechanical type flashers won't work with less than 12 volts.
 
Sounds like the flasher's dead, or the battery voltage is too low. Most mechanical type flashers won't work with less than 12 volts.

Interesting. Not sure then i am puzzled.

How did you test the flasher unit? Also, slightly off-topic but not really, what is your battery voltage after you charged it and let it rest? Should be no lower than 12.6

I tested how LDR said to. Connect the black wire to the flasher and use the multimeter on the unconnected flasher terminal. Should read battery voltage coming out. Which is now up to 12.86 volts, and the alternator coupler had been connected and zip tied just in case


Edit: I plugged in the original relay which is SUPPOSED to not work with my rear LED lights from what i’ve been told. They all function seemingly fine now. I guess i’ll just roll with the og relay?

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I think you just have a defective flasher unit. Could be the presence of front incandescent bulbs helps the old flasher to work correctly. I'm not a turn signal guy and have no experience with flashers designed for LEDs. No reason to argue with something that's working.
 
I think you just have a defective flasher unit. Could be the presence of front incandescent bulbs helps the old flasher to work correctly. I'm not a turn signal guy and have no experience with flashers designed for LEDs. No reason to argue with something that's working.

That’s been my motto so far. It seems to be working all good now, and the neutral light made a mystical reappearance as well.

I’ll consider this the third and final of the maiden voyages.
1. The first time it runs and is road worthy
2. The time you have to walk it back home
3. The time everything is actually working and nothing falls off


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1. The first time it runs and is road worthy
2. The time you have to walk it back home
3. The time everything is actually working and nothing falls off

#2 only because you didn't notice the soft latch on the alternator plug and zip tie it the first time.
#3 LMAO... put more miles on it, something could still come loose!

Seriously, you've accomplished a hell of a lot in the last year. Happy for you.

Time to make that Reddit post and give copious love to VHT. :)
 
#2 only because you didn't notice the soft latch on the alternator plug and zip tie it the first time.
#3 LMAO... put more miles on it, something could still come loose!

Seriously, you've accomplished a hell of a lot in the last year. Happy for you.

Time to make that Reddit post and give copious love to VHT. :)

On second thought, i am missing a speedometer cable but that’s coming in the mail right now anyways. But STILL, close enough for me.
Thanks again for all the help, you and everyone else. I think i’ll go take some photos and make that reddit post


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