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Nighthawk-Forums.com - Your Honda Nighthawk Motorcycle Forum ! > Motorcycle Forums > Honda CB Territory > CB Tech Help > new to nighthawks.. fuel tank cross reference
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Author Topic: new to nighthawks.. fuel tank cross reference  (Read 823 times)
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oldshell4481 Topic starter
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« on: October 26, 2010, 12:57:20 PM »
fuel tank leaks, are the tanks different on years other than 82? i need to find a new one.
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Bad Boy
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« Reply #1 on: October 26, 2010, 01:30:49 PM »
The '82 CB650SC model was made only one year.  The next model was all different made from '83 to '85.  Find one for a '82 on Ebay, it may take a while, the offerings change often.  Or repair options are POR-15 tank liner or take to a radiator repair shop.
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oldshell4481 Topic starter
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« Reply #2 on: October 26, 2010, 05:31:39 PM »
well i actually just got the bike delivered.. i guess it leaks from or around the petcock.. needs a left fork seal, clutch cable keeps breaking, and i guess the starters gone.
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Laminar
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« Reply #3 on: October 26, 2010, 05:52:12 PM »
It's much easier to rebuild the petcock than find a new gas tank.
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biometrics
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« Reply #4 on: November 02, 2010, 10:33:55 AM »
 welcome

+1 on Remove/rebuild/reinstall the petcock

Check the service manual for the proper routing of the clutch cable

replace both fork seals... if one is bad, the other will be following it shortly...

change the oil and filter...

and you should be able to safely ride off into the sunset...

clean and service the hydraulics system including all new brake fluid and then bleed the master cylinder and caliper(s) for the brakes while you are at it.

If you discover any other possible problems, you have come to the right place for advice


super
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regards, -JS
1983 Nighthawk CB650SC with 48K mile
S76
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« Reply #5 on: January 24, 2011, 07:41:49 AM »
Newby here in CT.

I just rescued an 82, 750 from a snow bank. Of course the fuel tank is no good. Will the 1983 thru 85 fuel tanks fit the 82?  Or, will they fit if you use the newer side overs with then?

Not allot of 82 parts out there. At this point it looks like I will have to cut the existing tank in half to remove the peeling previous coating, cut out all the bad spots, and weld it all back together. Doable but labor intensive.

Appreciate any feedback.

Bob
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Laminar
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« Reply #6 on: January 24, 2011, 08:09:25 AM »
I'm betting the '82 and '83 fuel tanks are similar, if not identical, though the part numbers are different. The 700/750 underwent a complete redesign for '84, it's completely different.
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Laminar
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« Reply #7 on: January 24, 2011, 08:37:54 AM »
'82:


'83:
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ExTex
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« Reply #8 on: January 24, 2011, 07:50:30 PM »
Looks like a lot to chose from.  http://motors.shop.ebay.com/i.html?_nkw=honda+nighthawk+650+gas+tank&_sacat=&_sop=10&_odkw=honda+nighthawk+650&_osacat=0&bkBtn=&_trksid=p4506.m270.l1313

One company thinks that all of the Nighthawk 650s use the same tank.

Contact them to be sure.

Ride Safely,
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1983 CB650sc
1989 VTR 250
1985 VF700s..Sold
1983 VT500c..Sold
Laminar
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« Reply #9 on: January 25, 2011, 03:25:10 AM »
Quote from: ExTex on January 24, 2011, 07:50:30 PM
Looks like a lot to chose from.  http://motors.shop.ebay.com/i.html?_nkw=honda+nighthawk+650+gas+tank&_sacat=&_sop=10&_odkw=honda+nighthawk+650&_osacat=0&bkBtn=&_trksid=p4506.m270.l1313

One company thinks that all of the Nighthawk 650s use the same tank.

Contact them to be sure.

Ride Safely,


That's for the 650. A few posts back we switched to the 750.
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ExTex
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« Reply #10 on: January 25, 2011, 01:59:31 PM »
OOPs,  Sorry I missed the thread jump..   musicboohoo  .. but maybe I helped some reader.

Ride safely,
 biker_h4h1
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1983 CB650sc
1989 VTR 250
1985 VF700s..Sold
1983 VT500c..Sold
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