Author Topic: UK 500 four cafe racer build  (Read 41282 times)

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Offline deafcaferacer

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Re: UK 500 four cafe racer build
« Reply #100 on: December 21, 2013, 06:44:09 AM »
Love the clean look of your bike. Keep up the good work.

I get a kick out of reading your posts because of the difference in terminology, especially cussing  ;D
'73 CB750k engine, hubs, and a '76 tank, on 'a 78 frame. Go figure.

Offline Kemp

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Re: UK 500 four cafe racer build
« Reply #101 on: December 21, 2013, 12:07:35 PM »
Used 14.5 inch CB900F shocks on a CB550 build for exactly the same reason. Also dropped the front end 1/2" but kept the stock 19" front wheel with high profile 110/90 Shinko front tire. The thing handles beautifully, rock stable at 100mph, not twitchy at all and has a little nicer turn on corners. (bronze bushings in swingarm from CB750 which was 1" shorter and cartridge emulators in forks)

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #102 on: December 30, 2013, 09:51:52 AM »
Used 14.5 inch CB900F shocks on a CB550 build for exactly the same reason. Also dropped the front end 1/2" but kept the stock 19" front wheel with high profile 110/90 Shinko front tire. The thing handles beautifully, rock stable at 100mph, not twitchy at all and has a little nicer turn on corners. (bronze bushings in swingarm from CB750 which was 1" shorter and cartridge emulators in forks)
cheers for that Kemp, feeling more confident every day  8)... Did you add a damper ? I suppose the shorter swing arm would bring the tear shocks closer to perpincicular and therfore increase the rear end further that just the increase due to the CB900 shocks ?
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #103 on: December 30, 2013, 09:57:32 AM »
Love the clean look of your bike. Keep up the good work.

I get a kick out of reading your posts because of the difference in terminology, especially cussing  ;D

 ;D ;D   
eejit = #$%*ing idiot
effin = #$%*ing
fukin = #$%*ing
bloody eejit = #$%*in idiot that bashed finger with hammer
baistirt = fatherless child
mingin = unpleasent to the eye or nose
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #104 on: December 30, 2013, 10:11:45 AM »
Drilled and tapped both caliper arms today to add grease nipples. Also flattened off the rear of the pivot arms where the grease nipples were added to make for a closer fit. The nipples extend through the caliper arm body by about a millimetre so had to add a wee washer so that they dont rub on the pivot pin.

Also helicoiled the caliper arm mounting bolt holes on one of the forktubes ... near disaster with one hole. The helicoil didnt see to go in right and the bolt was stiff to turn .... = sheared bolt. Managed to drill it and the helicoil out cleanly , retapped and rehelicoiled (phew)

Santa bought me an hour in a gyrocopter from http://www.chrisjonesgyroplanes.com/ instead of gettin me a powdercoating or chroming voucher. I cant complain tooooooooooooo much but if he thinks I'm giving him a hand in a reindeer free present run round the chimneys next year he's got another thing comin. Powdercoatin on hold till a few bills are paid
« Last Edit: January 04, 2014, 10:37:54 AM by Ewan 500K1 »
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #105 on: December 31, 2013, 12:45:29 PM »
dot dot dot
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline crazypj

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Re: UK 500 four cafe racer build
« Reply #106 on: January 10, 2014, 10:48:59 PM »
Racing is a different ball game, you may want it to steer real quick
On the street it isn't generally a good idea

still be interesting to know though ?



Don't know why I forgot to answer this, yes, it does get a real bad tank slapper between 115~118mph but is fine over 120 to 130. Even modified 550 doesn't have enough power to quickly accelerate through problem area. Slowing down isn't a problem, tap the front brake and your down below 110 too quick for anything nasty to happen
 Nice to see you did the grease nipple mod on brake arms, guess I was some use after all  ;D
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Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #107 on: January 11, 2014, 03:32:24 AM »
Racing is a different ball game, you may want it to steer real quick
On the street it isn't generally a good idea

still be interesting to know though ?



Don't know why I forgot to answer this, yes, it does get a real bad tank slapper between 115~118mph but is fine over 120 to 130. Even modified 550 doesn't have enough power to quickly accelerate through problem area. Slowing down isn't a problem, tap the front brake and your down below 110 too quick for anything nasty to happen
 Nice to see you did the grease nipple mod on brake arms, guess I was some use after all  ;D

that'll be okay then, it tops out at about 105  :o
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #108 on: January 11, 2014, 03:33:23 AM »
Dropped the frame, swingarm, botton yoke, rear brake stay, rear brake rod and engine mounts off at WTA Coatings, just outside annan, at the start of the week 

http://www.wtacoatings.co.uk/

Also, Having failed to find any UK / european suppliers of plugs to blank off the tacho drive hole in the rocker cover, I ordered a couple from america, both meant to be for 750's.

First one, from http://www.workingclasschoppers.com . This one is a bit on the loose side and doesnt have a groove for an o-ring.

Next one from member 754 on the US site , this is a much snugger fit and has an o-ring groove. I think he still has more available.
« Last Edit: January 11, 2014, 04:03:38 AM by Ewan 500K1 »
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline crazypj

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Re: UK 500 four cafe racer build
« Reply #109 on: January 12, 2014, 04:09:25 AM »
I make them as well but don't generally sell for the 4's as removing the complete drive and fitting a plate looks neater on 500/550
I made it initially to fit speedo drive but it worked as tach plug on CB350/360 and various other Honda's (450/500twin) The 'O' rings are to keep dirt out rather than oil in but they work for that as well. People who make them without 'O' rings don't ride or work on bikes so don't know what they are doing - take the money and run  >:(

Made a different piece to remove speedo drive when using electronic speedo (CB400f wheel with CBR600 disc rotors)

« Last Edit: January 12, 2014, 04:12:12 AM by crazypj »
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Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #110 on: January 24, 2014, 08:29:41 AM »
Got my bits back from powder coating today . £165 including a tiny bit of spot welding. Very happy with the job, the coaters blanked off all bearing surfaces, thread holes etc.   
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #111 on: January 24, 2014, 08:31:13 AM »
Just need a few bits chromed now before putting it all back togeather.
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline calj737

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Re: UK 500 four cafe racer build
« Reply #112 on: January 24, 2014, 09:04:05 AM »
Looks nice, Ewan. Here in the states, it's become increasingly more difficult to do real chrome. Many have turned to nickel plating as an option. Rust doesn't adhere to nickel, has a similar appearance, and can look better. Just a thought...
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #113 on: January 24, 2014, 10:31:35 AM »
Looks nice, Ewan. Here in the states, it's become increasingly more difficult to do real chrome. Many have turned to nickel plating as an option. Rust doesn't adhere to nickel, has a similar appearance, and can look better. Just a thought...

... but I'd need to spend more elbow grease on polishing it ?  ??? :)
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe chrome v nickel
« Reply #114 on: January 24, 2014, 12:07:28 PM »
Looks nice, Ewan. Here in the states, it's become increasingly more difficult to do real chrome. Many have turned to nickel plating as an option. Rust doesn't adhere to nickel, has a similar appearance, and can look better. Just a thought...

... but I'd need to spend more elbow grease on polishing it ?  ??? :)


woooooof ......just got a quote for chroming by sending off some photos. £168 ($277) for the bits in the pic above. ....... is nickel cheaper ?
« Last Edit: January 24, 2014, 12:10:04 PM by Ewan 500K1 »
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline calj737

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Re: UK 500 four cafe racer build
« Reply #115 on: January 24, 2014, 02:07:05 PM »
Don't need to polish nickel any more (likely less) than chrome.

Cheaper, yes! You can buy a DIY kit and do it yourself. I know your in the UK, but Caswell sells a kit for anodising, nickel or copper plating. Small scale kits, but I think just enough to do your bike.

http://www.caswellplating.com/electroplating-anodizing/anodizing-products/anodizing-kits.html

Have a look and see if it might address your needs for less.
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #116 on: January 25, 2014, 02:23:41 AM »
Don't need to polish nickel any more (likely less) than chrome.

Cheaper, yes! You can buy a DIY kit and do it yourself. I know your in the UK, but Caswell sells a kit for anodising, nickel or copper plating. Small scale kits, but I think just enough to do your bike.

http://www.caswellplating.com/electroplating-anodizing/anodizing-products/anodizing-kits.html

Have a look and see if it might address your needs for less.

cheers Cal, had a gander. They have a european distributer: http://www.caswelleurope.co.uk/electronic.htm
cheapest nickel kit is £192 ($316) ...so still a bit on the pricey side for the sake of a mudguard , a wee bit of wire, horn cover  and a brake arm.  I've made a few other enquiry's for chroming  quotes from companies over here, ... we'll see
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #117 on: May 15, 2014, 10:06:31 AM »
Picked up chroming job  from Cumbria Metal Finshers today, proper triple coating. Seems like a decent job and reasonably priced at £120 inc VAT. I'm happy with what they've done http://cumbriametalfinishingltd.co.uk/
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build --- the final reassembly part 1
« Reply #118 on: May 15, 2014, 10:09:23 AM »
So, now that the frame has been coated and I've got my chroming back, I'm ready for the final reassembly .... summer here we come   8)

Engine in the frame, new headstock bearings in, new swingarm shock mout bushes installed, swing arm on, Hagon 14 and a half inch rear shocks on.
« Last Edit: May 19, 2014, 01:16:26 PM by Ewan 500K1 »
jings, crivens, help ma boab

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Offline SOHC4 Cafe Racer Fan

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Re: UK 500 four cafe racer build
« Reply #119 on: May 15, 2014, 12:23:11 PM »
That's exciting.  Keep the momentum going!
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"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

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Offline Ewan 500K1

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Re: UK 500 four cafe racer build
« Reply #120 on: May 15, 2014, 01:02:05 PM »
That's exciting.  Keep the momentum going!

Momentum !!! ... its taken near two an a half years so far ... but at least I'm not needing to spend ony mair spondoolies ... so should get a bit faster now  ;)
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build - the final reassembly part 2
« Reply #121 on: May 19, 2014, 10:33:13 AM »
Back wheel on, forks on, front wheel on. Chain clearance with longer rear shocks not leaving much room .. might need to get a swing arm protector
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
http://forums.sohc4.net/index.php?topic=100883.0

Offline Ewan 500K1

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Re: UK 500 four cafe racer build - the final reassembly part 3
« Reply #122 on: May 19, 2014, 10:35:50 AM »
Tarozzi rearsets on... not get enough "spring back" on the brake lever side using the stock honda spring, will need to think about that.
« Last Edit: May 19, 2014, 10:38:13 AM by Ewan 500K1 »
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline Ewan 500K1

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Re: UK 500 four cafe racer build final reassembly part 4
« Reply #123 on: May 19, 2014, 01:11:29 PM »
Baffled Exhausts & NHK 500 ODM Steering Damper on.  Close up photos of the steering damper show left and right full locks (bearing in mind the steering stop was extended 10cm either way)
jings, crivens, help ma boab

500 four K1 cafe racer build thread at :
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Offline flybox1

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Re: UK 500 four cafe racer build
« Reply #124 on: May 19, 2014, 01:40:30 PM »
nice dampener setup, but why on the throttle hand side?  ???
'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

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