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Author Topic: My new chopper. A real "back in the day" survivor.  (Read 27721 times)

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Offline rb550four

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Re: My new chopper. A real "back in the day" survivor.
« Reply #175 on: July 23, 2014, 05:41:37 pm »
Got a timing chain but I don't have a riveter? What the hell would you do with a riveter?
You can get an endless chain from DSS crack the cases and do it right, or get an aftermarket chain with correct masterlink for that chain if you didn't want to split the cases and make sure that journals are clean, but a riveter?
  Oh, and just I love that chopper.
A few Honda 500's, a few Honda 550's, a few Honda 650's, '72 cb 450, a couple 500/550/650 hybrids, and 2001 750. 
  550 Snowbike -Somebody had to do it.
  http://forums.sohc4.net/index.php/topic,101678.0.html             
http://forums.sohc4.net/index.php/topic,137317.msg1550907.html#msg1550907

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #176 on: July 23, 2014, 05:58:10 pm »
It has the master, but I don't have the tool to make it work.
Have not had luck finding an endless chain.
Cases are cracked right now.

Offline SOHC4 Cafe Racer Fan

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Re: My new chopper. A real "back in the day" survivor.
« Reply #177 on: July 23, 2014, 06:00:16 pm »
Congrats. Now design us some cool parts!   :D
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)
2014 MV Agusta Brutale Dragster 800
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.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)

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

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #178 on: July 23, 2014, 07:33:52 pm »
Worked mostly with pulse jets, but will try...lol

Offline MoMo

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Re: My new chopper. A real "back in the day" survivor.
« Reply #179 on: July 23, 2014, 09:21:59 pm »
Just read this thread, one very cool retro relic you have Jag!.  Looks as though you're having a lot of fun with it too...Larry

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #180 on: July 23, 2014, 09:59:05 pm »
It has been a ton of fun, even with only a few miles of use.
I really need to clear off the project roster and get this one buttoned up.
I'll have some time in the shop tomorrow.

Really the master chain bit is holding me back right now.

Offline MoMo

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Re: My new chopper. A real "back in the day" survivor.
« Reply #181 on: July 24, 2014, 08:02:55 am »
Have you tried inquiring at a local shop to see if they'll crimp it for a minimal fee?...Larry  Maybe Billy Joel could do it for you ::)

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #182 on: July 24, 2014, 12:56:06 pm »
Have not been to the piano mans new shop.
All the motorcycle shops are either harley or owned by a wanta be good fella.

I'll see of one of the vintage shops feeding the hipsters in Brooklyn can help.

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #183 on: August 01, 2014, 01:43:21 pm »
Well the plot thickens a little bit.
I thought that I could just lift the crank up and slide the chain off to install an endless chain.  That seems not to be the case.  With the primary? chain in place I cant get the crank high enough to slide the chain off.  I assume that the shaft needs to be pulled out some how?  Cant seem to figure out how it comes out.  Any tips or help?


The one side, assume the bearing needs to be pulled as well?


Doesn't seem to be a good place to push from


The offender

Offline rb550four

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Re: My new chopper. A real "back in the day" survivor.
« Reply #184 on: August 03, 2014, 01:48:30 pm »
There is a few ways to do it, this is the way  I do it.
I take the threaded rod from the drivers foot peg and screw it into the primary shaft on the clutch side, put the nut andwasher on the other end of the rod and either make a slide hammer out of it or set a wrench on the shaft in front of the washer and nut closest to you and gently tap towards you, removing the primary  shaft and and bearings together as one unit. Watch the oil pump side so you know how it goes back together.
Once that is out remove the chain and crankshaft together as a unit and do what you need to do .
 Goes back in the same way, align the shafts bearings and all and tap lightly back into position. easy peasy.

Oh , forgot it was a chopper and you don't have the stock footpeg mounts.... the correct size and pitch  bolt can be substituted for the stock foot peg rod into the primary shaft. still easy peasy.
« Last Edit: August 03, 2014, 01:52:33 pm by rb550four »
A few Honda 500's, a few Honda 550's, a few Honda 650's, '72 cb 450, a couple 500/550/650 hybrids, and 2001 750. 
  550 Snowbike -Somebody had to do it.
  http://forums.sohc4.net/index.php/topic,101678.0.html             
http://forums.sohc4.net/index.php/topic,137317.msg1550907.html#msg1550907

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #185 on: August 06, 2014, 01:32:37 pm »
There is a few ways to do it, this is the way  I do it.
I take the threaded rod from the drivers foot peg and screw it into the primary shaft on the clutch side, put the nut andwasher on the other end of the rod and either make a slide hammer out of it or set a wrench on the shaft in front of the washer and nut closest to you and gently tap towards you, removing the primary  shaft and and bearings together as one unit. Watch the oil pump side so you know how it goes back together.
Once that is out remove the chain and crankshaft together as a unit and do what you need to do .
 Goes back in the same way, align the shafts bearings and all and tap lightly back into position. easy peasy.

Oh , forgot it was a chopper and you don't have the stock footpeg mounts.... the correct size and pitch  bolt can be substituted for the stock foot peg rod into the primary shaft. still easy peasy.

I was able to do something very similar.
Didnt take much force at all.

Thanks for the tip

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #186 on: August 06, 2014, 01:32:55 pm »
Well I tried to ghetto install the master link and was just not happy with the results so I ordered an endless chain.
Should have done this a while ago.

The hits just keep on coming.
Had some time in the shop to get the motor back together.....On the one side of the gear shaft is a needle bearing.
Seems that I am now missing a needle......
looked in all of my bins and bags from this motor.  Will need to go behind the bench and look.  Kinda pissed at myself.
Dont know if it is a part I can buy new, or if anyone has one.....

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #187 on: August 07, 2014, 07:01:09 am »
Found a replacement, should be here Monday.

Offline rb550four

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Re: My new chopper. A real "back in the day" survivor.
« Reply #188 on: August 07, 2014, 06:18:24 pm »
Good deal. I've seen people grease these bearings with axle grease to keep them together in the basket, don't do it, axle grease doesn't break down well there. I found it in a couple of old  motors so far...hampers oil flow for a long time as far as I can tell. There is probably some other engine building grease that would work...I just use oil.
Just sayin, in case the temptation of axle grease hits you.
A few Honda 500's, a few Honda 550's, a few Honda 650's, '72 cb 450, a couple 500/550/650 hybrids, and 2001 750. 
  550 Snowbike -Somebody had to do it.
  http://forums.sohc4.net/index.php/topic,101678.0.html             
http://forums.sohc4.net/index.php/topic,137317.msg1550907.html#msg1550907

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #189 on: December 22, 2016, 07:09:27 am »
The time has come to get back to this pile of awesome!

For a while now the bike has just been sitting.  I never put the motor back together or did much of anything.

Insert a million excuses of working of the Seeley or playing with Nortons.......

Well now I would like to get back to this bike so I have something funny to take to the local Cars&Coffee or just to aggravate the neighbors with.

Since the motor is apart I figured I should "build" it a bit.


Plan to keep things "old school" and run modified CB750 pistons.
Scored a set of NOS pistons for under $150!
Also scored a CB650 cam for $40!

Not looking for a full race engine or anything, just something fun and interesting.
Had been looking for an Abe Henry kit for a while, but no luck.
I have a CB550 POSA fuel injector (just a carb really) that I might run. 
REALLY REALLY want to find/buy an ARD magneto for it too.


So the basic idea is to have a fresh engine to drop back into the bike.
Few other small things need doing like a new harness.

Only thing that I have not figured out is exhaust.  I cant just headers as drag pipes any more.
Bike sounds like crap, is WAY to loud....also there was that whole fire thing.....

Long story short, I am back at this thing.
Nothing crazy epic to report yet.
Stay tuned.

Offline riverfever

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Re: My new chopper. A real "back in the day" survivor.
« Reply #190 on: December 22, 2016, 09:57:14 am »
What a neat bike/project! I know nothing about choppers (still learn something new every day with my first project that I'm working on now) but really love the way it looks. You say a friend of yours owned it but I don't recall you mentioning if he was the original owner or if he just acquired it at some point? Good luck. Have fun. And congratulations on finishing up your degree!
http://forums.sohc4.net/index.php?topic=127186.0

"You wouldn't think that out here...a man could simply run clear...out of country but oh my...oh my...nothing but the light." -Ben Nichols

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #191 on: December 22, 2016, 10:17:19 am »
A good friend and member here (Geeto67) owned it for many years.  He knew the buyer/shop that originally made it and go it from them.

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #192 on: June 27, 2017, 06:42:47 am »
While the Chopper has been on the back burner for a while, it is not dead or forgotten.
During a spring cleaning of my storage unit I moved it to the front of the garage, and dug out some needed parts.

Last season my daily ride was my Norton Commando.


And the plan was to have my Moto Guzzi Ambassador be the daily mount this year, but that has not worked out yet.


Since I only have room to work on one motorcycle at a time, the Chopper has not gotten much love.
BUT, I can cross off some small projects.  I do this by bringing some small sub systems home to my apartment and working on them there after dinner.

What better thing to work on then some outdated and rare ignition?!?!
Not like the top end is off the motor, or that the bike needs a harness to run......NOPE....focus on the important parts....

Over the winter I did score some NOS CB750 pistons for my "Gentleman's Express" engine build.
Need to find a local shop that can modify the pistons and bore the cylinders.

Have a CB650 cam, and debating on a mild head job too.

Ended up with an ARD magneto set up for a CB550, NOT a CB750 one.
I really like these units, and have rebuilt a bunch of them.  Super simple, good spark, and look killer.

BUT, I just wound up with a Roto-Faze unit!
This is just next level strange!
Really have a thing for parts that make people go..."what the heck is that?" and this defiantly falls into that category.



Will need a major service, and some rebuild parts for sure.
Roto-Faze seems to be around still, so maybe they can help.
I assume that the service parts like points, cap and rotor are used in other applications.
Just like service parts for an ARD are the same as an old tractor.



Offline Stev-o

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Re: My new chopper. A real "back in the day" survivor.
« Reply #193 on: June 27, 2017, 06:59:21 am »
So, the plan is to use the 750 pistons in the 550 motor, right?  What mod to the pistons is needed?  I would like to do this as well.  Thx
'74 "Big Bang" Honda 750K [836].....'71 Honda 750K project.....'76 Honda 550F.....K3 Park Racer.....K5 Fiddy Dolla Special!......CB500 Fiddy Dolla Special too!!............plus plus plus.........

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #194 on: June 27, 2017, 07:01:23 am »
This is the basic idea.


Offline SOHC4 Cafe Racer Fan

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Re: My new chopper. A real "back in the day" survivor.
« Reply #195 on: June 27, 2017, 09:25:01 am »
Jaguar,

Is there a performance benefit to cutting down 750 pistons versus going with a higher compression 592cc kit (Wiseco or Dynoman)?  Or is it more of a period correct goal?
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)
2014 MV Agusta Brutale Dragster 800
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.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)

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

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #196 on: June 27, 2017, 10:17:27 am »
I honestly do not know what would make more power.
For me I enjoy the "period correct" part......and I bought the pistons VERY cheap.

Offline SOHC4 Cafe Racer Fan

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Re: My new chopper. A real "back in the day" survivor.
« Reply #197 on: June 27, 2017, 10:22:57 am »
I honestly do not know what would make more power.
For me I enjoy the "period correct" part......and I bought the pistons VERY cheap.

That's cool.  I didn't know if it was a cheaper and better means than buying a $450-$550 Wiseco/Dynoman kit.  I do like the fact that it's an old school recipe.
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)
2014 MV Agusta Brutale Dragster 800
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.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)

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

Offline MoMo

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Re: My new chopper. A real "back in the day" survivor.
« Reply #198 on: June 27, 2017, 11:10:02 am »
You have a couple very nice daily riders there ;)

Offline jaguar

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Re: My new chopper. A real "back in the day" survivor.
« Reply #199 on: June 27, 2017, 11:10:40 am »
Norton is gone.
Guzzi is broken.

 

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