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Author Topic: '82 nighthawk chopper project done.  (Read 18990 times)

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Bobbymagee

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'82 nighthawk chopper project done.
« on: May 28, 2009, 12:42:02 PM »
Finally got my old CB650 on the road......handles great, sounds great, now if i could quit riding it i might finish up a couple details.








Ridin' the hell out of it and happy as a clam....
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Offline sangyo soichiro

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Re: '82 nighthawk chopper project done.
« Reply #1 on: May 28, 2009, 01:03:59 PM »
Wow!  Looks really nice!


Are those unbaffled drag pipes?  If so, how does it sound?  Got a video?
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1972 CB 750 http://forums.sohc4.net/index.php/topic,57974.0.html
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Offline heffay

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Re: '82 nighthawk chopper project done.
« Reply #2 on: May 28, 2009, 01:25:57 PM »
very cool !!
I know who I'm nominating next month. 
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Past Rides: '72 tc125, '94 cbr600f2, '76 rd400, '89 ex500, '93 KTM-125exc, '92 zx7r, '93 Banshee, '83 ATC250R, 77/75 cb400f

Offline martino1972

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Re: '82 nighthawk chopper project done.
« Reply #3 on: May 28, 2009, 01:27:39 PM »
love it..!!!!   

any info on what you all did..???  building pictures..??? frame...???????
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Marti, I want you to know, I like you an awful lot, but guys have said far less and left wearing their drinks on their shirts.
http://forums.sohc4.net/index.php?topic=36933.0  (my bobber)

Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #4 on: May 28, 2009, 01:40:38 PM »
Quote from: soichiro on May 28, 2009, 01:03:59 PM
Wow!  Looks really nice!


Are those unbaffled drag pipes?  If so, how does it sound?  Got a video?

Thanks

Yup....straight pipes. Kinda loud when ya get on it but not too bad. Got real good throttle response with the dynojet kit.

Crappy vid but all I got for now.....my online access is a little limited these days but I'll be getting a better vid.

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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #5 on: May 28, 2009, 01:44:00 PM »
Quote from: heffay on May 28, 2009, 01:25:57 PM
very cool !!
I know who I'm nominating next month. 

Thanks....I tried to keep it as clean as I could.


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Offline sangyo soichiro

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Re: '82 nighthawk chopper project done.
« Reply #6 on: May 28, 2009, 01:49:41 PM »
Sounds mean.  That's the way I like it. 

Like Martino said, I too would like to see more pics of the build process.  Do you have a speedo and tach on there?  I don't see them if you do.  I'm also curious about the thing over the headlight.  Way cool!
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1974 CB 750
1972 CB 750 http://forums.sohc4.net/index.php/topic,57974.0.html
1971 CL 350 Scrambler
1966 Black Bomber
Too many others to name…
My cross country trip: http://forums.sohc4.net/index.php/topic,138625.0.html

Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #7 on: May 28, 2009, 01:51:54 PM »
Quote from: martino1972 on May 28, 2009, 01:27:39 PM
love it..!!!!   

any info on what you all did..???  building pictures..??? frame...???????

Thanks....There's a build log at the chopperunderground...it's worth registering...great site.

http://www.thechopperunderground.com/forum/index.php?showtopic=33077

Here's a link to a photobucket album...

http://smg.photobucket.com/albums/v169/lewnatic/Friends%20and%20others/

Thanks again....here's a shot of the seat...



Jigbuilt frame with tons of fab stuff....the tank is a sporty as is the headlight, the rear fender is a generic unit that has been reradiused. Everything else is garagebuilt including the seat.
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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #8 on: May 28, 2009, 01:54:50 PM »
Quote from: heffay on May 28, 2009, 01:46:08 PM
timing could be off and/or carbs sound a little lean... what do you think?

yeah...that was stock jetting with an exhaust leak I think. Installed a dynojet kit and after the final build (bench synced) it's running much better with no backfire. Logged about 500 miles so far....seems good.
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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #9 on: May 28, 2009, 01:57:00 PM »
Quote from: soichiro on May 28, 2009, 01:49:41 PM
Sounds mean.  That's the way I like it. 

Like Martino said, I too would like to see more pics of the build process.  Do you have a speedo and tach on there?  I don't see them if you do.  I'm also curious about the thing over the headlight.  Way cool!


No tach or speedo....gonna rig a little gps unit for when I'm worried about it.

The headlight is off an '88 sportster...the visor is integral.
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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #10 on: May 28, 2009, 01:58:38 PM »
Quote from: heffay on May 28, 2009, 01:55:26 PM
white ransom?

am i reading that right?

Blanco Basura......bad Spanish for "White Trash".....
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Offline Hush

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Re: '82 nighthawk chopper project done.
« Reply #11 on: May 28, 2009, 04:05:02 PM »
Cool bike and looks a lot of fun, I see you call it a chopper, I'd call such a radical rebuild a bobber?
Anyhow it looks and sounds great, nice to see the 650 motor getting some long awaited attention, you know our bikes are the lepers of the SOHC4 brigade eh. ;D
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Offline MJL

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Re: '82 nighthawk chopper project done.
« Reply #12 on: May 28, 2009, 04:57:19 PM »
That is just bad ass, I love it.


I ran open pipes for awhile, Liked it at first but it got annoying. They were 4-4 stockers that rusted out under the footpegs.
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Offline mcuozzo

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Re: '82 nighthawk chopper project done.
« Reply #13 on: May 28, 2009, 06:28:58 PM »
Great looking bike.

If you don't mind I might steal the look.  I just picked up a hardtail frame and I have a 77F parts bike.  If I'm lucky it will look half as good! 

Matt
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Offline blkvulcan

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Re: '82 nighthawk chopper project done.
« Reply #14 on: May 28, 2009, 06:50:40 PM »
That is beautiful!!!!!! I have an '81 that I would love to do something like that to. Currently I am playing with looks, maybe just extending the swingarm somehow. I don't have the skills to do what you did.
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Offline MMICAFE

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Re: '82 nighthawk chopper project done.
« Reply #15 on: May 29, 2009, 06:03:30 AM »
man if you decide to not use the stocker controls anymore there is a guy on ebay who makes some badass cb650 formard controls that look awesome. i would get them myself but im attempting to do a resto on my bike
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Offline martino1972

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Re: '82 nighthawk chopper project done.
« Reply #16 on: May 29, 2009, 01:30:52 PM »
can you give me some info on what kinda metal pipes you used for the frame...like what kinds steel etc. 
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Marti, I want you to know, I like you an awful lot, but guys have said far less and left wearing their drinks on their shirts.
http://forums.sohc4.net/index.php?topic=36933.0  (my bobber)

Do0ki3 PWNS

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Re: '82 nighthawk chopper project done.
« Reply #17 on: May 29, 2009, 08:01:28 PM »
that looks sweet!  :)
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Offline Ecosse

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Re: '82 nighthawk chopper project done.
« Reply #18 on: June 11, 2009, 02:54:50 PM »
ha! linked from the botm thread. very cool deal and i like the seat! i say embrace your white trashdom.  ;D
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Offline Beans

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Re: '82 nighthawk chopper project done.
« Reply #19 on: June 11, 2009, 11:01:00 PM »
Bike looks good. and sounds awesome.
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Keep it shinny side up.

MrJinx

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Re: '82 nighthawk chopper project done.
« Reply #20 on: June 23, 2009, 04:36:51 PM »
That is an incredible looking bike.  I have a 82 CB650SC that I was considering parting and then I ran across this site.  You really have me thinking!
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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #21 on: December 03, 2009, 03:15:13 PM »
Hey all....

Been without web access for awhile....thought I might revisit some areas of interest and thought this vid might interest some here.  Winters are long here and this one only just started....whats a guy to do!


anyway....hey again
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Offline Bamboozler

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Re: '82 nighthawk chopper project done.
« Reply #22 on: December 03, 2009, 11:11:26 PM »
Sweet looking bike, looks like a blast to ride!
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Bobbymagee

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Re: '82 nighthawk chopper project done.
« Reply #23 on: December 04, 2009, 08:18:28 AM »
Thanks....

It is alot of fun to ride too. Mind you with such a long WB stretch and a longish trail it tends to require a little attention in crosswinds or semi truck buffeting. when shoved sideways it tends to stay offline unlike something with less trail which to my experience tends to unconsciously self correct...if that makes any sense.
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Offline ColinMc

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Re: '82 nighthawk chopper project done.
« Reply #24 on: December 04, 2009, 10:48:54 AM »
Low, mean, and simple...I LOVE it. Great job...good inspiration for my eventual Hard tail CB750 build...

Or a friend of mine has a CB650 that be fun to modify hehe.
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