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| Wossner pistons http://kawi2strokes.com/forum/viewtopic.php?f=2&t=14964 |
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| Author: | 0120raptor [ Fri Jan 19, 2024 4:50 pm ] |
| Post subject: | Wossner pistons |
Just about to fit my new Wossner pistons but have 2 questions 1) They don`t have a lubrication hole for the gudgeon pin. The old genuine Kawasaki ones do. 2) What`s the squarish recess above the pin hole for ? Won`t that interfere with the transfer ports ? |
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| Author: | ALTERED IMAGE [ Sat Jan 20, 2024 9:35 am ] |
| Post subject: | Re: Wossner pistons |
Woss has "mickey mouse ears" recess is for lightening cliff |
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| Author: | Jim [ Sat Jan 20, 2024 11:43 am ] |
| Post subject: | Re: Wossner pistons |
The wrist pin lubrication holes must not be needed. The bearing is a roller type anyway. I certainly have not had any trouble with my Wössner pistons. |
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| Author: | 0120raptor [ Sat Jan 20, 2024 11:58 am ] |
| Post subject: | Re: Wossner pistons |
Jim wrote: The wrist pin lubrication holes must not be needed. The bearing is a roller type anyway. I certainly have not had any trouble with my Wössner pistons. I`ve only just noticed but the pistons do have a small oil groove for lube in the pin bore. |
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| Author: | Jim [ Sat Jan 20, 2024 2:32 pm ] |
| Post subject: | Re: Wossner pistons |
0120raptor wrote: I`ve only just noticed but the pistons do have a small oil groove for lube in the pin bore. I don't remember that. Where is the groove? |
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| Author: | 0120raptor [ Sat Jan 20, 2024 3:06 pm ] |
| Post subject: | Re: Wossner pistons |
Jim wrote: 0120raptor wrote: I`ve only just noticed but the pistons do have a small oil groove for lube in the pin bore. I don't remember that. Where is the groove? It`s definitely there. About 3mm wide 1mm deep on both pin holes..Quite hard to see. |
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| Author: | ALTERED IMAGE [ Sat Jan 20, 2024 4:00 pm ] |
| Post subject: | Re: Wossner pistons |
No holes. Just the micky mouse ears 0.1mm deep. 160° apart. Typical on most 4 strokes. cliff decimal fixed |
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| Author: | Jim [ Sat Jan 20, 2024 5:57 pm ] |
| Post subject: | Re: Wossner pistons |
ALTERED IMAGE wrote: No holes. Just the micky mouse ears .01mm deep. 160° apart. Typical on most 4 strokes. I'm not sure what you mean by Mickey Mouse ears in this case. Something that's 0.01mm deep is only 4 ten-thousandths of an inch deep. |
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| Author: | ALTERED IMAGE [ Sun Jan 21, 2024 12:12 am ] |
| Post subject: | Re: Wossner pistons |
Attachment: mickey.jpg mickey
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| Author: | Hawaii-Mike [ Mon Jan 22, 2024 11:26 am ] |
| Post subject: | Re: Wossner pistons |
Wossners are the best for our Kawi triples. Cruzin Image are the least expensive pistons with good quality. |
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