HIAWATHA Outboard Motors
Click on a part number to add it to your order.
| Year Model or Engine | Cyl. Dia. | No. Cyl. | Piston Rings |
| Set No. | Qty & Width |
| Comp | Oil |
| 1951-55 5 H.P., 25-7970, 25-7971, 150M125-7973A, 250M125-7963A, 350M125-79723, 350M125-7972B, 450M125-7973A, 840M125-7972A, 940M125-7972A | 1 15/16 | 2 | 8306
| 3 - 3/32 | |
| 1951 50DL, 50S | 1 15/16 | 1 | 8306
| 3 - 3/32 | |
| 1947 3 H.P., 25-3260, 25-7969 | 1 15/16 | 2 | 8306
| 3 - 3/32 | |
| 1956-59 7 1/2 H.P., 650J3-25-7985A, 750M3-25-7986A | 2.000 | 2 | 322
| 2 - 3/32 | |
| 1951-55 3 H.P., 25-3258, 25-7954, 25-7955, 25-7956, 050M125-7958A, 150M125-7959A, 350M125-7959B, 350M125-7959C, 450M125-7959A, 550M125-27959A,840M125-7957A | 2 1/8 | 1 | 8305
| 2 - 3/32 | |
| 1954-55 12 H.P., 450M125-7982, 550M125-7982A | 2 1/4 | 2 | 304
| 3 - 3/32 | |
| 1951-53 12 H.P., 150M125-7981A, 250M125-7981A, 350MT25-7981B | 2 3/8 | 2 | 245
| 3 - 3/32 | |
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