Victoria! Zeke's CB175 Build

[Texasstar]

New paint always screws with the engine grounding in my experience.
Either sand the paint off of one of the frame engine mounts or run a ground strap/wire from a bolt hole in the frame to an engine bolt.
To test wether you're getting ground put your voltmeter in resistance mode (ohms) and check resistance from the engine case to the negative battery terminal.
Should be just a few ohms.

before we ran a ground to the case we had .2 ohms resistance and after another ground to the case we
have .1 ohms. We also have the same resistance on the dyna ei plate. We used CrazyPJ's star washes and the motor starter cable.

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[crazypj]

You have the top motor mount grounded to frame and battery?
Paint on the inside of engine mounts can also act as an insulator

 

[Texasstar]

Ground #3

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[Maritime]

I always sand the paint off where the ground goes and then use Dielectric grease to keep corrosion at bay. Bad grounds cause a lot of headaches and weird stuff, humid days make it worse. We have to contend with crappy weather up here but when I have issues like this one of the first thing I do is take emry cloth to all the ground points and clean em till they shine, grease and reattach and most times, the gremlins dissappear. I had a Toyota truck that would stall and completely stop running whenever it rained or was 90% or higher humidity. Came down to the corrosion on the ECU ground pin, it was soo green it would suck up moisture and short, quick replacement of the pin and never happened again. so yep, grounds are important and I agree with PJ, you can't have too many.

 

[Texasstar]

This has been a great teaching lesson for Zeke and showing him the flow of electrons so he will make these mistakes in the future. What is more important he knows why. Redundancy is a good thing. Thanks guys.


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[Maritime]

Also, bare metal can look ok but have enough unseen corrosion to not pass electrons well. I had a fuse holder in one of my hondas that the clips were clean looking, not all green etc, but when I metered them the resistance was so bad it acted like the fuse was blown when it wasn't, hit it with emry cloth till is shined and resistance went to as close to nothing as copper can get and all was well again. So a dull spot on the frame with some paint may be enough to completely make your ground useless. Clean the spot till it shines then grease it to keep rust away.

 

[Texasstar]

Also, bare metal can look ok but have enough unseen corrosion to not pass electrons well. I had a fuse holder in one of my hondas that the clips were clean looking, not all green etc, but when I metered them the resistance was so bad it acted like the fuse was blown when it wasn't, hit it with emry cloth till is shined and resistance went to as close to nothing as copper can get and all was well again. So a dull spot on the frame with some paint may be enough to completely make your ground useless. Clean the spot till it shines then grease it to keep rust away.

will do speaking of Hondas we learned the Honda cb450 DOHC is in the Honda 360n. Rainy day car

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[Trevor May]

This has been a great teaching lesson for Zeke and showing him the flow of electrons so he will make these mistakes in the future. What is more important he knows why. Redundancy is a good thing. Thanks guys.


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Avoid these mistakes hopefully

 

[SONICJK]

before we ran a ground to the case we had .2 ohms resistance and after another ground to the case we
have .1 ohms. We also have the same resistance on the dyna ei plate. We used CrazyPJ's star washes and the motor starter cable.

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That's odd that you were having grounding issues if you were only seeing .2ohms resistance. Obviously .1 is better but .2 is fine as well....

 

[Texasstar]

Avoid these mistakes hopefully

whoops typo


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[SONICJK]

This has been a great teaching lesson for Zeke and showing him the flow of electrons so he will make these mistakes in the future. What is more important he knows why. Redundancy is a good thing. Thanks guys.


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No grab a potato a nail and a penny and have fun

 

[Texasstar]

That's odd that you were having grounding issues if you were only seeing .2ohms resistance. Obviously .1 is better but .2 is fine as well....

What we can't test is what "sonic" resonance is doing to everything at 10k. We can tell you that our megaphones are broadcasting our "sins" and weaknesses. We did buy our first tube of dielectric grease today.


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[Maritime]

That stuff is gold for humid wet places. Love that 360n. I want one. Corrosion is a killer to conductivity. I have literally made bikes run just by cleaning all the electrical.connections and greasing with dielectric. People were ready to.scrap em. Works on cars too.

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[Texasstar]

Will Vaseline do the same thing as dialectic grease?


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[simo]

Will Vaseline do the same thing as dialectic grease?


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http://gstwins.com/gsboard/index.php?topic=29636.0

 

[simo]

Hey CrazyPJ sorry to hear about your bike, I hope it comes back.

 

[Texasstar]

Hey CrazyPJ sorry to hear about your bike, I hope it comes back.

what happened to his bike?


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[simo]

Stolen.....
http://www.hondatwins.net/forums/53-miscellaneous-discussion/33012-double-post-s-news-section-well.html

 

[Texasstar]

Let's post this everywhere "My CJ391 has been stolen
It's in Britain somewhere. Was stolen from shed in South Wales
I'm wondering if it was the same people who stole the last one a few years ago.
I didn't contest that so they got a 'free bike'
This one I'm really pissed about

It's real distinctive as it has modified RD350 carbs, 70mm pistons, 'custom' exhaust, Maico rear mudguard, GS125 headlight Yamaha XT350 handlebars, CB250 tank, orange seat, plus, it's yellow
If you see it or someone tries to sell it to you, pull the fucker off and kick shit out of him"

If you have info on Crazypj's bike please contact him on this forum.


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[Texasstar]

time to recondition the "anchor" I think Dad will do this job do to the hazardous dust.


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