CB160 Oil Change

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CB160 Oil Change

Tompkins
I recently picked up a 1966 CB 160, have ordered a service manual and trying to figure out some basic things about my bike. Have a question about the two drain plugs. Are they both for the engine oil or is the one closest to the rear tire for the transmission? Does_20191111_190252.JPG this bike use trans fluid or only 30w oil? Also does anyone know what the top filler plug next to the dip stick it. (Photo attached) Help is much appreciated.
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Re: CB160 Oil Change

TOOLS1
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That is not a filler plug, that is the shift drum guide pin. There is a sleeve on it and if it has fallen off into the crankcase the engine will have to be disassembled to repair.  here is a link to the parts fiche, look at #11 and #12. https://www.partzilla.com/catalog/honda/motorcycle/models-with-no-year/cb160-a/upper-crankcase-shift-drum
On the oil drain, the flanged bolt is the drain plug. The engine and transmission share the oil. I recommend Shell Rotella T-4 10W-40 oil for your bike.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
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Re: CB160 Oil Change

Tompkins
Thanks TOOLS1 appreciate your help. I can actually see the sleeve and looks like it will seat once the plug is screwed back in. Is this something that I should take out and place it back on the plug or buy a new one. I don't understand the function of this. Also what's in that hole - engine oil? Thanks again.
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Re: CB160 Oil Change

TOOLS1
Administrator
This post was updated on .
If the retaining screw will go back into the sleeve while it is in the case just put it back in. Nothing goes into that hole but the retaining pin/screw. The oil goes into the oil filler hole right beside the shift drum retaining screw.
If you look in the repair manuals thread right above this tread you will find a link to the Factory Honda Service Manual for your bike. It would be a good thing to read.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
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Re: CB160 Oil Change

Tompkins
Thanks again. Manual is on the way.