De-stinking Penelope

[rustybronco]

Then it's onward and upward with the engines repair.

Thanks again Chuck, you're good people!

[Nessism]

In the grand scheme of a full bike restoration, a few engine parts are no big deal. Push though my friend. Your cylinder is in excellent condition, and that's a critical part to assure your engine seals well. Hopefully the head will clean up well too.

[chuck hahn]

Eds right..youve almost got it licked..chin up and charge on.

[rustybronco]

Charging onwards...

Piston ring end gap (Top, 2nd) measured 1" down the bore squared up with a piston.

0.15~0.35mm std with service limit of 0.65mm

#1 measures 0.32mm

That's it for tonight folks. Tomorrow is washing up transmission parts day.

[pete]

See this is why I love this forum, you guys are awesome

[chuck hahn]

Those bores and rings are fine, so no worries on the jugs. That head will be fine with a freshening of the seats and clean up the valves and add new springs ( if the originals dont measure right ). Youre at the finish line now.

[Matchless]

See this is why I love this forum, you guys are awesome

Pete, you have just hit the nail on the head!

Dale, once you have it all cleaned up and laid out with the replacement parts on their way you are going to feel much better!
Another motor could be another surprise packet anyway.

[rustybronco]

Washing up, de-corroding, inspection, measuring, looking up parts, obtaining parts, scraping gaskets off, chasing threads, etching the aluminum, taping off parts, painting, removing broken stud, welding on a new boss, going through starter, assembling...

Home stretch???

[chuck hahn]

Dont worry about the welding a new boss just yet..may get you a total good lower case too. When you give me the final tally I will get things in order.

[rustybronco]

Another motor could be another surprise packet anyway.

Andre, Yes I suppose it could be. This is all about the cost and time to fix this engine Vs. another.
Things like the front sprocket nut and washer being all hacked up, sleeves, seals, orings and 'plugs' all stuffed up. Start clutch shim in addition to the crank, piston and camshaft.

What really gets me is the camshaft. Did they forget to harden these things? The lobes look perfect on it, yet it's worn undersize. That's what really got me...

[rustybronco]

Case halves are a machined pair. No can do...

The boss is an easy fix anyways; I have a friend with a tig welder.

[Spyder]

Wow... Now that's some project you've got going there.

Just think of how proud you'll be riding that pretty machine.
And the story behind her is just amazing. Keep up the good work, she will reward you for it...

[rustybronco]

Thanks spyder! My wallet thinks it's quite the project also.

[chuck hahn]

Cam shaft may have been defective from the factory and it just slipped thru the QC that particular day...My dad worked for GM engine assembly in Bay City MI for many years and said it was an everyday thing to her cams hit the floor. All they did was pick them up and stuff them in the blocks.

[chuck hahn]

By "finish line" I was meaning in the checking and soerting of the engine. And i was thinking, If someone had a lower case that was cracked or otherwise junk could they cut the section that the cover bolts to and you use the posts off it for transplant??