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| New in box, H1R cylinder set http://kawi2strokes.com/forum/viewtopic.php?f=27&t=14093 |
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| Author: | DGA [ Tue May 05, 2020 5:48 pm ] |
| Post subject: | New in box, H1R cylinder set |
I mentioned these here a few years ago, but decided I won't use these ever, so would like to sell them. Not sure what they are worth, and will attach a pic or two if there is any interest. Note that these can't be used on a stock frame as the exhaust ports come out on different angles from stock, and run into the down tubes. I saw the H1R at the Barber bike museum a few year ago, and yes, these are the same cylinders that bike has. |
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| Author: | H2RTuner [ Tue May 05, 2020 11:23 pm ] |
| Post subject: | Re: New in box, H1R cylinder set |
Any idea which version they are, there are 4 different types, and they all look alike to most that haven't worked with them. |
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| Author: | DGA [ Wed May 06, 2020 10:27 am ] |
| Post subject: | Re: New in box, H1R cylinder set |
I have never worked with them myself, so I don't know. They have a raised cylinder liner at the head face, about 2mm step higher than a stock cylinder. Any markings on them to look for to determine what versions these are? |
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| Author: | H2RTuner [ Wed May 06, 2020 5:12 pm ] |
| Post subject: | Re: New in box, H1R cylinder set |
Yes, they all have that lifted area, uses a round copper head gasket that indexes in the cylinder head. The best air cooled cylinders for them are the H1RA-S (H1RA-Special, last air cooled version). |
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| Author: | DGA [ Fri May 08, 2020 2:18 pm ] |
| Post subject: | Re: New in box, H1R cylinder set |
Just out of curiosity, I measured the exhaust port distance from the head face, subtracted off the typical .040". 1mm squish clearance, and with a 58.8mm stroke length, they have an exhaust timing of 85 degrees after TDC. I'll put them on Ebay to see if there's any interest there. |
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| Author: | H2RTuner [ Sat May 09, 2020 8:46 am ] |
| Post subject: | Re: New in box, H1R cylinder set |
Yes, H1 and H1R have that stroke, and 60.0mm bore. From the exhaust duration assumption, I would think they were original,first series cylinders. Don't give them away, they just might be the very last full set of brand new originals, get paid for them. |
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| Author: | malc87 [ Sun May 10, 2020 4:34 am ] |
| Post subject: | Re: New in box, H1R cylinder set |
I also have a set of these cylinders and mine are H1R-A with the bridged inlet port. They were in with some of the spares that were included when I bought my H1R in 2004 for £10,000 ($11800) The part numbers show the cylinders as H1R-A in a 1975 price book The price for the cylinders part number 11005-079+80+81 in 1975 was £74.70p ($88.14p)     
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| Author: | DGA [ Sun May 10, 2020 2:02 pm ] |
| Post subject: | Re: New in box, H1R cylinder set |
Well they sold quickly, $1500, to someone in Oregon. Hope they get used and are going to a good home, better than sitting here. |
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