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Old 05-26-2013, 05:19 PM   #91
F16Viper68 OP
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I decided to take the cylinder head off to swap out the head gasket and oil seals to address a minor oil leak. While everything was apart I replaced the valve seals and lapped the valves. The hardest part of the operation was finding a suitable spring compressor that didn't cost a fortune. After checking the auto parts stores (everything was too big) I figured I'd just make one out a c-clamp and cut up socket.



It worked pretty well but when I was putting the keepers back in I realized I wished I played more of the game Operation when I was a child.





When I re-assembling everything I realized the gasket kit from Athena didn't include the small O-ring gaskets I needed on the left and right side of the cylinder head.



I figured since I was going to need to order the O-rings why not just order a OEM head gasket too.
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Old 05-26-2013, 05:40 PM   #92
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I partially assembled the engine so I could paint it with Dulicolor 1615 Aluminum. I cleaned up what I could with wire wheels, brass brushes, gray scouring pads, taped it off, and painted. It's not perfect by any means but it looks better than it did before.











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Old 05-26-2013, 06:37 PM   #93
brucifer
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Well, that "not perfect" painted engine is going to look sooooo good when you get it back in the frame. You're really doing a nice job on this bike.
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Old 05-26-2013, 07:20 PM   #94
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Originally Posted by brucifer View Post
Well, that "not perfect" painted engine is going to look sooooo good when you get it back in the frame. You're really doing a nice job on this bike.
Thanks! I'm getting closer to getting it back on the road. When I get back from my next business trip I should (knock on wood) have everything I need to get it back together.

Mulling over having a machine shop look at the cylinder head to ensure it's still flat.

Dave...
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Old 05-27-2013, 06:04 AM   #95
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Certainly wouldn't hurt to have a shop check it for flatness. Can't imagine them charging you much to do so. My local shop usually checks cylinder heads for me while I'm standing there--no charge. Of course if it needs milling, they get the job. :)
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Old 05-29-2013, 06:32 PM   #96
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Certainly wouldn't hurt to have a shop check it for flatness. Can't imagine them charging you much to do so. My local shop usually checks cylinder heads for me while I'm standing there--no charge. Of course if it needs milling, they get the job. :)
I know this probably varies greatly but what's the typical cost?
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Old 05-31-2013, 03:23 AM   #97
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Nice work here.... I collect 550's... which have most of the problems yours had with oil seals between the Head and cylinders... ( I'm getting better at ignoring them )....

Fun
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Old 05-31-2013, 12:17 PM   #98
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Originally Posted by F16Viper68 View Post
I know this probably varies greatly but what's the typical cost?
I asked my machinest what he charges--nothing.
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Old 06-01-2013, 06:22 PM   #99
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Nice work here.... I collect 550's... which have most of the problems yours had with oil seals between the Head and cylinders... ( I'm getting better at ignoring them )....

Fun
I was reading over at SOHC.net folks jam rope in between the cylinder head fins to absorb the leaking oil and swap it out every so often. I wish I had learned that before I torn it down.

Still waiting for the new head gasket to come in.

Dave...
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Old 06-01-2013, 06:23 PM   #100
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I asked my machinest what he charges--nothing.
Cool and thanks for asking. I'm going to start asking around to find out where I should bring it.

Dave...
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Old 07-06-2013, 04:52 PM   #101
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Well finally got around to putting this thing back together. The cylinder head and deck were well within spec with regards to the amount of warpage so I replaced the valve seals, lapped the valves, and replaced all the gaskets. I tried for over a month to find a OEM head gasket but everyone kept canceling the order despite showing them in stock. I ended up ordering a gasket kit from David Silvers.

Once I was able to find a friend with the time to help me muscle the engine back into the frame everything went pretty smooth.







Here she is in all her new found glory.


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Old 07-06-2013, 04:53 PM   #102
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Here's a few before (Oct 2011) and after (July 2013) photos.

Before:


After:


Before:


After:


Before:


After:


Before:


After:


Dave...
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Old 07-06-2013, 05:22 PM   #103
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Looks amazing! must feel good to ride it after so much work.
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Old 07-06-2013, 05:45 PM   #104
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Excellent!

Looks like the bike in the background changed as well.
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Old 07-06-2013, 06:26 PM   #105
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Looks amazing! must feel good to ride it after so much work.
Thank you very much. I just got back from a 45 minute ride it's running better than ever. It had a weird hesitation in 4th and 5th gear at 3500rpm which is now gone.

Now I need to work on the suspension.

Dave...
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