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Author Topic: '80 C650C Oil info  (Read 1076 times)

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Offline ToeCutter23

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'80 C650C Oil info
« on: March 14, 2012, 02:24:40 PM »
Trying to get my rat road worthy and need some info. I know there are manuals on this site but the online pics are a bit fuzzy. Does anyone know the oil capacity on an '80 CB650C? Also, bike oil vs. standard motor oil..... I've heard some difference of opinion. Is the "motorcycle" oil really worth the extra $? Lastly, I'm in Raleigh NC, my odometer reads 31000mi (before speedo cable broke), what's the best weight oil to use?

Thanks,
Bob
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Offline fmctm1sw

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Re: '80 C650C Oil info
« Reply #1 on: March 14, 2012, 04:29:03 PM »
Quote from: ToeCutter23 on March 14, 2012, 02:24:40 PM
Also, bike oil vs. standard motor oil..... I've heard some difference of opinion. Is the "motorcycle" oil really worth the extra $? Lastly, I'm in Raleigh NC, my odometer reads 31000mi (before speedo cable broke), what's the best weight oil to use?

Thanks,
Bob

No, and 10W-30.  Let the fun begin...
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Quote from: 754
Dude is that a tire ? or an O-ring..??

Quote from: inkscars
This is not a pod thread
This is not a #$%* on my vacuum gauges thread
This is a help or GTFO thread.

1973 CB350F
1973 CB350G
1975 CB550K
1983 GL650I
1973 CB750K3 (http://forums.sohc4.net/index.php?topic=92888.0)
1984 Kawasaki KLT-250 (AKA 3 wheeler of death)
1994 Honda TRX300
1999 Honda TRX250

Offline LesterPiglet

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Re: '80 C650C Oil info
« Reply #2 on: March 14, 2012, 04:33:30 PM »
I use motor oil. I think the last stuff I used was Motorcraft. If it's good enough for modern Fords it's good enough for me.
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72500john

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Re: '80 C650C Oil info
« Reply #3 on: March 14, 2012, 05:06:47 PM »
sorry cannot help you with the capacity question. but castrol 20w50 or rotella 15 w 40 work well. rotella still hase the zinc in it our engines need. 
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Offline LesterPiglet

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Re: '80 C650C Oil info
« Reply #4 on: March 14, 2012, 05:14:04 PM »
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'Then' and 'than' are completely different words and have completely different meanings. Same with 'of' and 'have'. Set and sit. There, their and they're. Draw and drawer. Could care less/couldn't care less. Bought/brought FFS.


Les Ross.            Certified by a Professional

Offline cb650

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Re: '80 C650C Oil info
« Reply #5 on: March 14, 2012, 05:23:23 PM »
3.2 quarts       I use sex o lube in mine.   
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Offline ToeCutter23

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Re: '80 C650C Oil info
« Reply #6 on: March 14, 2012, 05:54:41 PM »
Thanks to all your responses. Especially the link to the service manual....crystal clear.
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