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Offline terrorshark

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First Honda
« on: June 17, 2013, 07:23:26 AM »
Just picked up my first one. Traded a '72 Yamaha DS7 for a '74 CB550. 
Bike looks incredibly clean for sitting in a garage for 20 years. Don't know when it was last ridden but the tank is rust free with no corrosion anywhere on the bike.

It looks like the original owner removed the ignition and installed some goofy on off switch as well as cut off the hump on the rear of the frame.

I figure since the frame has already been cut I should probably just turn it into a cafe racer.

Problems I've found so far...
Wiring is screwy due to the rewired ignition.
Carbs slides are completely seized.
Read some tricks for unsticking the carbs so hopefully an overnight soak will work.

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'68 MV Agusta Tevere Motocarro
'72 Yamaha LS2
'74 MV Agusta 350b
'74 Honda CB550
'77 MV Agusta 350 Ipotesi
'00 MV Agusta F4

Offline toytuff

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Re: First Honda
« Reply #1 on: June 17, 2013, 07:27:52 AM »
Welcome.

Try a heat gun on the slides. Sometimes it's just enough.

tt
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Offline flybox1

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Re: First Honda
« Reply #2 on: June 17, 2013, 07:54:15 AM »
+1 on the heat gun.  softens the varnish.

welcome to the forum.
its your bike, make it what you want it to be  8)
good resources available here.  download the shop manual from this site.
the google custom search at upper left is a great help at finding threads for everything you are working on.
get in the habit of using it first as it can get you the most info the fastest, then post to the forum if you're stuck.
we like pictures  8) ;D
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

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Offline Bankerdanny

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Re: First Honda
« Reply #3 on: June 17, 2013, 08:48:46 AM »
Welcome, this is by far one of the best vehicle forums on the web (I belong to half a dozen).

Sounds like the PO (prior owner) was planning a cafe or bobber conversion.

Our montra here is "pictures or it didn't happen', so include them as often as you can
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline terrorshark

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Re: First Honda
« Reply #4 on: June 17, 2013, 11:12:14 PM »
Will post pictures tomorrow! 
I do have a question

While pulling apart the bike last night I found something I've never seen before.
It was mounted under and behind the headlight and looked almost like a speaker.
Small about an inch or so in diameter.
Any ideas...?
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'68 MV Agusta Tevere Motocarro
'72 Yamaha LS2
'74 MV Agusta 350b
'74 Honda CB550
'77 MV Agusta 350 Ipotesi
'00 MV Agusta F4

Offline stewonepot

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Re: First Honda
« Reply #5 on: June 17, 2013, 11:40:33 PM »
Its a turn signal beeper it will get on your nerves!
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Offline kghost

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Re: First Honda
« Reply #6 on: June 17, 2013, 11:53:17 PM »
Quote from: stewonepot on June 17, 2013, 11:40:33 PM
Its a turn signal beeper it will get on your nerves!

It will also keep you from looking like a complete tool .....driving around with the blinker on.
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Stranger in a strange land

Offline stewonepot

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Re: First Honda
« Reply #7 on: June 18, 2013, 01:41:05 AM »
Very true been there done that!
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Offline Stev-o

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Re: First Honda
« Reply #8 on: June 18, 2013, 05:14:45 AM »
Welcome.  I believe you'll need 5 posts before you post pics
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline terrorshark

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Re: First Honda
« Reply #9 on: June 18, 2013, 06:55:01 PM »
I would love to post pictures but cant quite yet...

Freed up my carbs today and scored an whole set for backup for 30 bucks!

Waiting on my rebuild kits to put them back on

Cut off my seat bracket so I can mount a flat Brat style seat.  Now I just need to grind down all the ugly leftovers.

Sprayed engine down with degreaser and gave it a clean

And I ordered all my parts to get her back on the road.

I want to take out the battery box and remount all the electrical goodies.  Anyone have any pictures of what they have done?  Definitely going to an antigravity battery but have no idea which one I should get. 

Does anyone have any ideas for battery mount and electrical boxes
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'68 MV Agusta Tevere Motocarro
'72 Yamaha LS2
'74 MV Agusta 350b
'74 Honda CB550
'77 MV Agusta 350 Ipotesi
'00 MV Agusta F4

Offline madmtnmotors

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Re: First Honda
« Reply #10 on: June 18, 2013, 07:06:55 PM »
Quote from: terrorshark on June 17, 2013, 11:12:14 PM
I do have a question

While pulling apart the bike last night I found something I've never seen before.
It was mounted under and behind the headlight and looked almost like a speaker.
Small about an inch or so in diameter.
Any ideas...?


That's the flux capacitor! Careful with that!
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TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline reddyvv

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Re: First Honda
« Reply #11 on: June 18, 2013, 07:28:16 PM »
Quote from: madmtnmotors on June 18, 2013, 07:06:55 PM
That's the flux capacitor! Careful with that!

HA HA,  didn't those 74's have the 1.21 gigawatt capacitors?!!  ;D ;D
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Offline goldarrow

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Re: First Honda
« Reply #12 on: June 18, 2013, 07:55:21 PM »
carbs rebuild kit......all you need are rubber pieces, clean off your hardware bits and reuse those, if they were original.
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0
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