Author Topic: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe  (Read 5971 times)

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Offline sauteplease

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #25 on: September 12, 2015, 10:39:43 AM »
So, I'm going to try and see if I can get that o ring to drop out of the bottom. If I can't, I'm taking my chances.

I'd love to paint it, but yeah, I'm in an apartment with no outside area to paint. I polished all the covers, polished Allen heads, and yes, copper crush washers. So "patina and polished" it is for now.

Thanks guys.



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Offline sauteplease

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #26 on: September 12, 2015, 10:43:00 AM »
I'll double check my primary chain, too.

Offline Trad

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #27 on: September 12, 2015, 12:25:56 PM »
I'll double check my primary chain, too.

Necessity! If you're dropping the pan, the o ring is most likely in there. It's good to drop the pan and clean it out regardless.
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Offline flatlander

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #28 on: September 13, 2015, 11:55:27 AM »
is there any reason why you use such wide washers on the cover?
and are you planning to do anything with the chassis and brakes? for function and safety, those would be the best places to start as long as everything is working.

Offline sauteplease

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #29 on: September 14, 2015, 08:22:26 PM »
is there any reason why you use such wide washers on the cover?
and are you planning to do anything with the chassis and brakes? for function and safety, those would be the best places to start as long as everything is working.
No reason, those were just what I could find that fit.

I have new bearings, bushings, and rebuild kits awaiting assembly.

Offline flatlander

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #30 on: September 14, 2015, 11:04:58 PM »
that's cool re. the chassis work. check the suspension as well, after 40 years it's likely to be shot.

the washers... they're cheap. i'd just get fitting ones. with the wide ones stuff (dirt) will get stuck on both sides of them and will be a real #$%* to keep clean. personally, i also find it odd looking but that's just me.

the original honda washers were plated, i think with nickel. this is to avoid chemical reactions between the alu and copper. if you want to be meticulous you can still buy them.

Offline sauteplease

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #31 on: September 14, 2015, 11:09:22 PM »
that's cool re. the chassis work. check the suspension as well, after 40 years it's likely to be shot.

the washers... they're cheap. i'd just get fitting ones. with the wide ones stuff (dirt) will get stuck on both sides of them and will be a real #$%* to keep clean. personally, i also find it odd looking but that's just me.

the original honda washers were plated, i think with nickel. this is to avoid chemical reactions between the alu and copper. if you want to be meticulous you can still buy them.
Thanks. ;)

Offline calj737

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #32 on: September 15, 2015, 05:20:44 AM »
You don't really need washers on the side covers or top cover. If you do use them, stainless washers are a better bet (future reference). Skip the plated type they corrode over time.
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"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 flatlander

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #33 on: September 15, 2015, 05:57:49 AM »
the 3 bolts on the rocker cover that are on the inside have oil underneath. i understand honda used the crush washers to seal them.
cal, you say it's fine without them, or with steel ones?

Offline calj737

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #34 on: September 15, 2015, 08:47:00 AM »
Under the breather cover needs a seal, the others all over the engine do not
'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 flatlander

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #35 on: September 15, 2015, 08:50:49 AM »
those under the cover have them, and also the 3 on each side next to it have some according to the partslist and honda manual.
but good to know the ones on the outside are not really needed.

Offline SOHC4 Cafe Racer Fan

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #36 on: September 15, 2015, 10:25:21 AM »
You may want to ditch the outside crush washers.  The copper will start with a patina but then it may spread corrosion under and over the washers, and it may make cleaning a PITA. 
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1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
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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 Trad

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #37 on: September 16, 2015, 09:38:31 AM »
I agree with the rest about the copper crush washers. At least get the right size if you are going to use them. haha. All jokes aside, it's a small issue to fix.
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Offline sauteplease

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #38 on: September 16, 2015, 12:37:17 PM »
Alright, alright you guys are all right. The copper crush washers on the breather cover will go. Lol.

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Offline SOHC4 Cafe Racer Fan

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #39 on: September 16, 2015, 01:26:29 PM »
Gary Busey approves . . .

1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"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)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Gene

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #40 on: September 16, 2015, 08:05:46 PM »
Bwaaaahahahahahah!  Hey - where the hell is that emoji? ???
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Offline Wredas

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #41 on: October 30, 2015, 11:33:56 AM »
Awesome! Going to be interesting how you handle the build in an apartment! Cheers from Sweden

Offline Lostboy Steve

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Re: The Downtown Studio Apartment Build - 76 CB550 Brat Cafe
« Reply #42 on: October 31, 2015, 08:23:44 AM »
Thanks guys.

Roommates? No, I don't have any roommates, so I have no worries there. I do all the smelly work by the kitchen window with a fan behind me. I have a girlfriend, she's got her own place though.

This is a "function first" build.. I've got a bunch of shiny new parts and bolts, spent some time polishing engine side covers and what not over the winter.  I'm considering bolting all the shiny stuff onto the engine without painting it. It could definitely use some paint, but time and proper work space are both pretty limited.

I won't sacrifice function or safety.. clean lines, proportions, overall cleanliness, and the right stance are priorities too.

Might be a little ratty in between the lines, but I just want to get this thing on the road. Time will tell..

I kind of always get jealous when someone builds a motorcycle in a room with carpet. I would most likely die in a structure fire if I played around inside the house like that. Good for you!
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