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301  Motorcycle Stuff / Honda SOHC4's / Re: The Top End Rebuild Thread - 1977 CB550 on: December 31, 2012, 11:49:16 AM
Hey guys. Good New Year's Eve morning.

It's been a bit slow around my house, but I have recently begun the hunt for parts to start buttoning back up the cases; getting the mighty 550 into running condition. Be patient with me here on this post. Grin

Problem #1: I'm trying to select the bearings, both main and rod, but at the moment I've focused on identifying the mains.

The manual states to pull the crank and reassemble the cases without the bearings. Mic' the journals of the crank, with the measurement falling into either "1" or "2" in the table. Then, using a cylinder gauge, measure the diameter of the seats, with these measurements falling into "A", "B" or "C" in another table. You end up with each journal and seat having a specific number/letter combination which corresponds to the final table and lists the type of bearing needed, "A", "B," "C" or "D" (black, brown, green or yellow). See attached photos.

I have neither a cylinder gauge to measure the seat diameters nor a torque wrench to tighten the cases to spec, so I was hoping to find another method using the production marks stamped on the lower crankcase in conjunction with the numbers stamped on the crank. The lower case is engraved with "BBBBB", while the crank is stamped with "1A-M-1A-1A-1". I am most uncertain with the crank numbers but that was the best I could see and make out. My thought was to take the "B" off of the case and the "1" off of the crank, insert them into the final table (in the manual) to determine bearing color...in this case greens.

The "1A's" and "1" on the crank were stamped in a faded black while the "M" was actually engraved into the cast iron counter-weight.

I know the above is a bit wordy, but I'm hoping for some insight and experience.

Problem #2: The cases and jugs are fresh out of an ultrasonic cleaning and need to be prepped for paint. I was hoping to soda blast them but is there really any place to do that at this time of year; assuming most are blasting outdoors? Maybe you have some other ideas for prep that can be more...contained? I'm open to ideas here.

Additionally needed are thoughts and methods for masking off the parts for prep and paint. Andy, I remember reading a build of yours (I think the racer) about some MRieck tricks for painting the engine. Again, I am all for being sent some information to research.

I think that's all for now! Hopefully see you all in January. Happy New Year!
302  General Category / General Discussion / Re: Merry Xmas! on: December 27, 2012, 06:40:59 PM
Merry Christmas and Happy New Year to all! Hope to see you guys soon. Maybe I'll come around in my new rain gear Cheesy courtesy of the girlfriend's parents.

Good day to try the new gear out!! Yeesh!

It'd be a better day if I had an operable bike between my legs to test said weather Grin

Andy, I've postponed the helmet search in lieu of funding for the 550 fix-up. I do keep seeing deals pop up on the Neotec; about damn time some price-dropping happens.
303  General Category / General Discussion / Re: Merry Xmas! on: December 26, 2012, 04:21:31 PM
Merry Christmas and Happy New Year to all! Hope to see you guys soon. Maybe I'll come around in my new rain gear Cheesy courtesy of the girlfriend's parents.
304  General Category / Events / Re: December Beer Night - last one of 2012!! on: December 14, 2012, 07:10:30 PM
Sorry gents, I've got a little family business to take care of back home. Hope you all enjoy the tales of Andy's adventures...and the rum. It's very likely I won't see any of you prior to the (rapidly approaching) Christmas holiday but I wish you all a very enjoyable few weeks and look forward to seeing everyone in the new year.

Cheers,
305  Selling and Buying / Sellers Remorse / Re: CB550 Exhaust on: December 05, 2012, 08:53:20 AM
boy there in nice shape ...wish they could work on my '78!!! hi Alex

Larry! Where's the hockey this year buddy? I've got no B's to whip up those Habs. We both end up looking at exhausts that don't work for our bikes just to pass the time! Hope all is well up in Canada country.
306  General Category / Events / Re: December Beer Night - last one of 2012!! on: December 01, 2012, 12:28:54 PM
I have a hunch that this voting will end in a tie, and Andy will have to choose the date anyway. Cheesy

I'm the 13th group due to "end of semester" duties at the university, but I'll be there regardless of the date at this point! Just give me some damn beer...or a 3-day drunken wine stupor.
307  General Category / General Discussion / Re: I want to ride now! what to wear? on: December 01, 2012, 12:23:59 PM
I'm not a fan of riding in the cold, so I just break my bike instead as an excuse to stay inside  Cry

 Grin Alex
308  General Category / Ride Planning / Re: Cannonball Confirmation on: November 29, 2012, 01:22:41 PM
The Cannonball Trailer

<a href="http://www.youtube.com/watch?v=gG9Ze95DjFo" target="_blank">http://www.youtube.com/watch?v=gG9Ze95DjFo</a>


The Cannonball 10-minute Feature

<a href="http://www.youtube.com/watch?v=Ik7zSPweAxQ" target="_blank">http://www.youtube.com/watch?v=Ik7zSPweAxQ</a>
309  Motorcycle Stuff / Honda SOHC4's / Re: The Top End Rebuild Thread - 1977 CB550 on: November 25, 2012, 04:37:59 PM
Spent Saturday tearing down the spare motor with hopes of finding good bores, pistons, rods and crank. Had no real issues except the occasional lack of patience and a cam chain tensioner was uninterested in being evicted from its home of 30+ years. I walked away a few times, which helped me to not bugger something up real good.



The beginning of a nest


Not so bad after all



The pistons and rods are moving freely and the bores, to my untrained eye, look to be very usable in my rebuild. I'll be having Anders take a look at them when I make my way back up to the shop in coming weeks.





Removal of clutch






Documenting case bolts







Took me a while to break the cases free due to thinking I removed all of the bolts until I kept finding more Grin . A few whacks with a rubber mallet broke the seal and some finesse with a pry-bar got them separated.






I don't have the proper tools to remove the primary shaft (according to the manual) and while I have plans to have it removed properly, I couldn't help but research some options...

Spark plug


Thread in a spark plug and tap at the hex nut (on the plug) while rotating the shaft. This didn't work for me because
1) I have the option to remove it correctly soon, so why risk it?
2) The directions in the "Tips & Tricks" section were a bit vague in terms of tapping at the plug.

Tapping or drifting from behind the oil pump




There isn't very much of the shaft showing that I can get a wooden (soft) drift onto. Is it expected that I tap on the bearing, as that seems to have the most area showing?

Additionally, there was the option of using one of the long engine bolts (that attach it to the frame). The thread is again the same as the primary shaft and can be fitted with some weighted spacers or sockets; used as a slide hammer. I didn't try this method as I didn't have the proper materials at the ready.

In conclusion today, it looks as though I have most of the parts I will need to button up my cases and get another 30 years out of her. I'm also trying to take into account any parts that should be replaced because, well, it's already apart; so if you have an opinion please make it known.
310  Selling and Buying / Sellers Remorse / Re: CB550 Exhaust on: November 25, 2012, 12:36:20 PM
Alex, thats all you buddy.  Those looke nice gene.

I checked it out the other day when Gene posted but unfortunately that beautiful stock 4-4 are from years earlier than '77 and '78 Cry

I'm pretty sure I'd need to rejet the carbs as the later exhausts were more restrictive due to EPA regulations.

Gene, I do have some interest in the 4-1. I'll shoot you a PM.
311  General Category / Pictures and Videos / Re: Belize-Guatemala 2012 on: November 23, 2012, 02:57:25 PM
Looks fantastic! Definitely a place I'd like to make it to eventually. Welcome home, Andy!
312  General Category / General Discussion / Happy Thanksgiving on: November 21, 2012, 09:38:11 AM
Happy Thanksgiving to you all! I know it's a day early, but I celebrate both today (with mom) and tomorrow (with dad) so I won't be around too often in the next 48 hours.

Enjoy your families and food. I hope to see all of you again in the near future...beer night?

Best,
Alex
313  General Category / New Member Introductions / Re: Finaly made it over, SOHC4 member from Roslindale here on: November 20, 2012, 03:01:47 PM
What's up, what's up! Rozzi making a strong showing here!

Glad you finally made it over to the local section. What the heck did you do to gain acceptance?

-Alex
314  Motorcycle Stuff / Honda SOHC4's / Re: The Top End Rebuild Thread - 1977 CB550 on: November 18, 2012, 11:41:13 PM
If the shift drum is anything like a 750s, you will need to take the neutral switch out, which is on the bottom of the 750.  Not sure about that funny connector.  Maybe search the main boards and then talk to anders just to be sure.

Anders has already been in touch! Grin

He sent me a text shortly after posting telling me to remove the stuck screw (funny connector) with a better impact driver; one with an interchangeable 3/8" or 1/2" drive. I have to bring the cases to him soon anyway for help removing the primary chain, drive and crank, so we can use some sweet tools then.

Anywho, once that is done I can clamp a slide hammer onto a 6mm screw or threaded rod, insert it into the ball-bearing end (into the shift spindle) and pull it out. Until then I will be tearing down the other motor and getting it to the point where I can bring it all up to NH for one-stop shopping.
315  Motorcycle Stuff / Honda SOHC4's / Re: The Top End Rebuild Thread - 1977 CB550 on: November 18, 2012, 10:37:54 PM
Quick picture of the spare engine courtesy of Santa's delivery on Saturday. Treeve, feel free to throw up a pic of YOUR present Tongue

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