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Author Topic: FFJMOORE CB550 BIG bore engine build.  (Read 80409 times)

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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #325 on: August 10, 2012, 06:04:54 pm »
Well, every time i sell a bike i have a chunk of money to spend. I always want to buy tools but usualy buy bikes because i can park them outside. I would really like an industrial sewing machine so I can do my own seats. But again I have no space for one.
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Offline crazypj

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #326 on: August 10, 2012, 07:53:53 pm »
Quote from: ffJMoore on August 10, 2012, 06:04:54 pm
Well, every time i sell a bike i have a chunk of money to spend. I always want to buy tools but usualy buy bikes because i can park them outside. I would really like an industrial sewing machine so I can do my own seats. But again I have no space for one.

 I would say a couple of window ac units for garage may be a good idea (or even one of the Mitsubishi units?)
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Offline MRieck

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #327 on: August 11, 2012, 06:43:44 am »
Quote from: bwaller on August 10, 2012, 05:39:47 am
WebCam has been providing timing cards with numbers that never seemed to be achieveable. I was told those #'s should be read at the lobe or some such... Not providing any numbers is not the answer.

I have the 58a cam and it should be "squared" so that intake opening & exhaust closing numbers were identical 24/51 & 51/24, again this for the 58a cam.  Maybe someone will provide the 58b info.

You should aim to match lobe centers.
Boy is that gospel. ::)
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #328 on: September 04, 2012, 05:51:41 pm »
Took the motor back apart to paint the cylinder. Started looking for my new head and cylinder gasket. I can not find them. I had them inside for safe keeping but this build has taken so long I dont know where they are. I know where i last saw them but i dont live alone so things get moved and thrown away.  :-[ Ill look around a little more but i have a feeling im gong to have to buy new head and base gasket. F
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #329 on: September 16, 2012, 11:50:44 am »
Never found my gaskets so i had to buy some more. Got the 2 from dynoman and a full set off ebay. The ebay set looks like its missing the rubber pucks but i have some from other incomplete sets i have. Anything i should know before asembly? Do you put anything on the gaskets? I was just going to put them on dry.

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Offline dave500

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #330 on: September 17, 2012, 12:09:24 am »
i just used the same brand as that,they didnt have pucks,you might apply a little hard setting sealant on the pointy bits on the head gasket where those 6mm bolts go through at the cam tunnel, other than that fit them dry.
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #331 on: September 27, 2012, 01:45:58 pm »
I hate to pay somebody to polish for me but i just cant get it this nice on my harbor freight buffer.



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Offline sanglasmick

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #332 on: September 28, 2012, 01:05:56 am »
That looks perfect to me!Maybe the photo's make it look more shiny. IMHO I would be more than happy with that result.

You'll probably have to re-polish by hand anyway before you finish. Are you going to lacquer?

 ;) ;)
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #333 on: January 19, 2013, 05:53:23 pm »
Update, Frame is out for paint so its time to get moving on this one. Started putting the motor together today. I did eventually find my missing gaskets. They were right where i looked for them. I dont know how they just showed up. So i have an extra set to build another big bore.


here is how i put my head bolts on. What a pain to do it vertically.

Cam in


Should i put a little locktite on these once i have it dialed in?

16595
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Offline Tintop

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #334 on: January 19, 2013, 06:12:33 pm »
I certainly would, but not sure which one to use.
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1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #335 on: January 19, 2013, 07:56:31 pm »
I'll use blue.
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Offline Greggo

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #336 on: January 19, 2013, 08:02:23 pm »
Quote from: ffJMoore on January 19, 2013, 07:56:31 pm
I'll use blue.

That's the way to go.  Glad to see good progress!
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Offline Greggo

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #337 on: January 19, 2013, 08:03:42 pm »
Who sells the adjustable sprocket?
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #338 on: January 19, 2013, 08:24:12 pm »
I think I got it from dynoman.
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Offline bwaller

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #339 on: January 19, 2013, 08:42:10 pm »
I don't use loctite on the bolts.
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Offline Greggo

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #340 on: January 20, 2013, 07:10:06 am »
Quote from: ffJMoore on January 19, 2013, 08:24:12 pm
I think I got it from dynoman.

Cool, found it!  Thanks 8)

Quote from: bwaller on January 19, 2013, 08:42:10 pm
I don't use loctite on the bolts.

Well, that's a good enough endorsement for me...but I can't see any drawback in using a dab.
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Offline crazypj

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #341 on: January 20, 2013, 01:30:21 pm »
I like to make an 'infill' piece when the slots are that long.
There never seems to be enough surface area on bolt head so they 'creep' over time
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Offline Tintop

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #342 on: January 20, 2013, 06:58:12 pm »
Quote from: bwaller on January 19, 2013, 08:42:10 pm
I don't use loctite on the bolts.

And you suggest.......??
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1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #343 on: January 20, 2013, 10:29:31 pm »
Used a little bit of gasket maker to help seal the little pucks.



Then I put the cover on and sorted out all the stainless bolts. Looks nice right?


Except that i forgot that I need to use my cover that is cut open to dial in the cam!!!! Oh well. Ill take it back apart in a few days when i get home from work, dial in the cam, and then button the top back up. Then its on to the clutch and cover, oil pump, stator and cover, and....what ever else im forgetting. Oh oil pickup and pan.

On another note i finished a fork swap on XR600.
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #344 on: January 24, 2013, 01:45:25 pm »
Well i got the cam degreed now ill swap the rockers back over to the actual cover and button it up. Final degree was 14* and 46* on intake and exhaust.
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Offline dave500

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #345 on: January 25, 2013, 12:50:26 am »
i run the indicator directly on the lobe no cover.
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Offline Flying J

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #346 on: January 30, 2013, 09:05:24 pm »
Got the clutch put together today and the points cover painted. Still need to do the oil pump and a few other things but its all coming together now.

17191
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Offline dave500

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Re: FFJMOORE CB550 BIG bore engine build.
« Reply #347 on: January 30, 2013, 09:13:31 pm »
those point covers look neat.
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