Kawi2strokes.com Forum

I'm trying to get the cylinders off of the H1D I am restoring. They are stuck hard and I have been working them with the tapped hole and bolt method. I got the center one off now and the two outer cylinders are still stuck on the front studs, but I will keep at it. The problem is that I have driven one of the studs down about 1/2". I assume it has broken through the case inside. Has anyone else accomplished this feat of dumbness? I don't think it will be too hard to fix. I am afraid I may have to take the airhammer to the outer two and buy now ones, I can't leave this bike on my lift for a month while I fight them or I would be a little more patient. I worked on the cylinders on my H2 for a month before I got them off.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90

That sounds bad, I wish I had your answer, but I don't....



Lane

I was out playing with the cylinders again and I measured how far down the stud is and it's about 1/4" down form the other three. I will go out in a while and put the head back on and see if it pulls out when I tighten the head bolt.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90

It's threaded into the case, so I can't imagine it's going to pull tight.

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If it surges, that's normal, upshift.

When it pulls out the cylinder will come off so it's a good thing.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90

Outside rear on RH side will break the case easier than the others. This is 1 reason I don't like the threaded hole & bolt method for pulling cylinders. Also seen the top of the cylinder destroyed by doing it.

I'm not getting how guys are damaging stuff with this method. There is just a small amount of pressure on the stud, and it's the vibration from hitting the bolt that breaks loose the corrosion. Are people trying to screw the bolt down trying to pull the cylinders up?

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........

I give the top of the bolt 4 or 5 hits with a ball peen hammer and then if it turns I turn it. usually it only turns about 1/8 of a turn or less for me. When it goes snug I start again. This is the first one I have had the stud move on. I'm sure I wacked it too hard but I am not in there with a 2lb hammer swinging away either. This is how we learn. I was just curious is anyone else had done it.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90

I had a 69 H1 motor that the cylinders wouldn't budge after months of trying everything. I had to cut them off with a sawzall. Hated to do
it but no damage to the cases. After I got them off I tried to drive the studs out of the cut off cylinders . No way they would budge even
with a long throw air hammer. Took apart a 72 H1 C motor that was the same way. Never seen a motor so corroded. Crank was in 2 peices
from the corrosion. Must have went down with the Titanic. Whole motor went in the trash.

And I venture that is why when we discuss stuck cylinders the phrase "sometimes they don't come off" comes up. I am going to buy a set of cylinders for it as I fear more invasive procedures are coming.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90