| Chain | Model/Year | Size/Links | Sprocket teeth front/rear |
|---|---|---|---|
| Generator | C10 C11 | 8mm x 48r | |
| A7 A10 | 8mm / 52r | 11/27 | |
| transmission | C-mod | 1/2" x 5/16" / 69-70 | 16-17/43 |
| B-mod | 1/2" x 5/16" / 67-70 | 17-19/43 | |
| Gold Star | 1/2" x 5/16" / 66-71 | 18-23/43 | |
| M-mod | 1/2" x 5/16" / 68-70 | 16-21/43 | |
| (C15 & B44) unit model | 3/8" duplex / 68-75 | 18-28/52 | |
| A7 A10 plunger | 3/8" duplex / 80 | 27/54 | |
| A7 A10 S/A | 1/2" x 5/16" / 67-70 | 18-23/43 | |
| A50 A65 | 3/8" triplex / 80r | 28/58 | |
| Rear chain | C-mod | 1/2" x 5/16" / 104-107 | 17-19/42 |
| B-mod 1946-57 | 5/8" x 1/4" / 90 - 98 | 18-19/42 | |
| B-mod 1958-60 | 5/8" x 3/8" / 97 - 98 | 19/43 | |
| Gold Star 1949-57 | 5/8" x 1/4" / 91 - 98 | 16-19/42-46 | |
| Gold Star 1958-63 | 5/8" x 3/8" / 98 | 18-19/42 | |
| M-mod | 5/8" x 1/4" / 94 - 98 | 18-19/42 | |
| A7 A10 plunger | 5/8"x3/8" / 100-102 | 18-19/42,45,46 | |
| A7 A10 S/A | 5/8"x3/8" / 96-102 | 19/42 | |
| Unit models 1959-67 | 1/2" x 5/16" / 112 - 127 | 17/45,17-18/47,49,52,60 | |
| Unit models 1967-73 | 5/8" x 1/4" / 100 - 108 | 14-17/47,49,52 | |
| A50 A65 | 5/8" x 3/8" / 98 - 110 | 18-20/42,47 |
| Maximum chain play | 1/4" play per 1 foot chain. (6,35mm/30cm) chain play= total play up and down. | ||
| Chain play Generator | 1/8" | ||
| Chain play Transmission | single | 1/2" | |
| duplex pre-unit | 1/2" | ||
| duplex unit | 1/8" | ||
| triplex | 1/8" | ||
| Rear chain | rigid/plunger | 1/2" | |
| S/A | 1 1/4" | ||
| Chain maximum length | Maximum length before replacing your chain. | ||
| 5/8" | 16 rolls | max length 10 7/32" | |
| 1/2" | 23 rolls | max length 11 3/4" | |
| 3/8" | 24 rolls | max length 9 3/16" | |