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Old 04-04-2021, 01:35 PM   #61
1962siia
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Originally Posted by Cabrito View Post
Always look at the bright side of life (cue the music)

Was it easy to identify the cylinder that failed?
Yes, once I pushed it off the frwy and calmed down a bit, I tried to start it again. It fired right up and was blowing exhaust out on my leg and a little piece of head gasket was flapping in the wind.

I knew then I hadn't melted the piston at least.

I'll be pulling the other head too.
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Old 04-04-2021, 01:37 PM   #62
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obligatory can of penetrating oil in background.

have a bit of time to get her fixed before the September assault on Wild Plum. pretty sure EDCo would make short work of that crack.
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Old 04-04-2021, 03:26 PM   #63
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After further inspection I’ll be ordering a new piston and sending the jug and head to Millenium for fresh nikasil plating and head repair. I’ll pull the other side next to make sure it’s good to go.
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Old 04-07-2021, 11:31 AM   #64
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A good thread and an entertaining read, Dan. You have a fun project and I like your spirit in the face of mechanical adversity.
I knew what happened after reading John's Easter Ride thread first. Knowing that from the beginning reminded me of some of the old horror movies as you were discussing the symptoms of the possible detonation issue earlier in this thread. I confess I had an uncomfortable feeling of "Don't go in to that room!" after learning what you were about to find out.
Please keep the pictures and narrative coming as you progress through this project.
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Old 04-07-2021, 08:13 PM   #65
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Thanks Jeff! Lol. Don’t do it!! Is that bike gonna die??!

Got sucked in to work this week. Hoping to pull the other cylinder and see how it is tomorrow. Hope it’s fine and I can ship the other one off ASAP.
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Old 04-09-2021, 08:53 AM   #66
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Quote:
Originally Posted by Pushrod View Post
In 1962 my father had a motorcycle that had spark advance on the handlebar. It was black magic to me when he would make minute adjustments to get it to start and then run smooth. Don't recall the make but it was a big, burly thing (we were in Belgium) that rattled on the cobblestones.
I think there were many older motorcycles that had manual spark advance back in the day. My 1968 XLCH Sportster had a spark advance/retard with the left handlebar grip.

Iron clad rule: fully retard the timing BEFORE attempting to kick start otherwise you would get a sharp kickback. The trick was to advance timing as you accelerated to match the timing to the throttle.

Also, if you wanted to idle through town at a low rpm, you could dial back the timing for a smooth lope along.

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