K2F
See notes and application chart under dynamo click here, also details on repairs.
Many parts for other magnetos are available.
| K Series Magneto (Flange Mounted) – All A Group. The sports models had a manual advance/retard while the standard models used an automatic advance and retard unit and all were anti-clockwise drive. The drive end bearing was increased in size to 40mm outside diameter in 1954 the oil seal changing at the same time. The pick-ups changed in 1950 although they are interchangeable and at the same time the sports models started to use different pick-ups from the other models. The cover over the contact breakers was initially an aluminium casting with a push button in the centre acting as a cut out and retained by 2 screws. In 1951 this changed to a plastic cover retained by a spring clip and with a lead to a cut out switch on the handlebars. The final change took place in 1959 when a cover that was threaded onto the end casting was introduced still with the cut out wire and switch. The final alteration was to the contact breaker assembly which was re-designed to be cheaper and is much easier to adjust. This assembly can be fitted to earlier magnetos see below for details. | |||
| All parts fit all K2F magnetos unless listed otherwise. | |||
Part Number | Description | Models | Years |
67-1882 | Replacement gear & rivets for automatic advance and retard unit | ||
67-540 | Replacement gear wheel for manual advance and retard magneto | ||
10568-54 | Automatic advance & retard unit | ||
149010/10 | Armature shim to reduce end float .010” | ||
149010/5 | Shim to reduce end float | ||
122160 | Screw, fixing contact breaker carrier to armature | ||
185015 | HT lead split copper washer | ||
189244 | Bearing, magneto, drive end, 40mm O.D. | 1954-62 | |
189291 | Bearing, magneto, points end, 35mm O.D. | 1947-62 | |
189291 | Bearing, magneto, drive end, 35mm O.D. | 1948-53 | |
410600 | Acorn nuts for pickups etc (holds HT leads)(see 421554 & 185015) | ||
451260 | Brush for magneto pickups | ||
451379 | Bearing insulating washer for 189291 bearing, 35mm | ||
452906 | Armature shim to increase end float .003″ | Competition | |
452907 | Armature shim to increase end float .010″ | Competition | |
454496 | Slip ring | K1F | |
455190 | Earth brush, 5 mm diameter for 455,191 | ||
455191 | Earth brush holder, small, use brush 455,190 | ||
455361 | Slip ring, anti-clockwise magnetos only | K2F | |
455622 | Pickup gasket | N1/KN1/KNV/MO1/K1F | |
456794 | Pick up | K1F/NR1 etc | |
458268 | Plunger for advance and retard cable | ||
458346 | Gasket for pickup | K2F not competition | |
458355 | Shim to increase end float, .003 | ||
458356 | Shim to increase end float, .005 | ||
458367 | Pick up, R/H | A7/10 | 1947-50 |
458368 | Pick up, L/H | A7/10 | 1947-50 |
458370 | Pick up spring clip | ||
458389 | Cam ring, automatic advance | K2F | |
458613 | End cover spring clip | ||
458619 | Magneto contact breaker end cover with provision for cut-out lead | 1951-58 | |
458658 | Rubber boot, HT lead | ||
458675A | Spark gap screw | ||
458725 | Cam ring, manual | ||
458813 | Triangular clip to stop end cap unscrewing | 1959-62 | |
458865 | Pickup for twins with brush, R/H | A7/10 | 1951-62 |
458866 | Pickup for twins with brush, L/H | A7/10 | 1951-62 |
458876 | Pickup | Competition | |
459002 | Magneto oil seal | 1955-63 | |
459005 | Bearing insulating washer for 189244 bearing, 40mm | 1954-62 | |
459031 | Magneto oil seal | 1948-55 | |
459130 | Cam ring, automatic | ||
459190 | Pick up, LH and RH | A7SS/ST/10RR/SR | 1951-62 |
459199 | Magneto end cap, ‘Wader’ screw on type (not as illustrated) | ||
459205 | Screw on end cover (competition) | K?FC | |
459269 | End cover, screw on with earth terminal | 1959-62 | |
463932 | Bearing insulating washer for 189,291 bearing | ||
470537 | Magneto cut out brush in end cover | ||
470608 | Contact set, clockwise | ||
470609 | Contact set, anticlockwise | ||
492854 | Contact breaker assembly, complete, anti-clockwise. Contact set is 54,440,888, which is included. This assembly will fit earlier magnetos but a different centre bolt will be required ref 492,856. | 1961-62 | |
492856 | Centre bolt for late type contact breaker | 1961-62 | |
493836 | Contact breaker assembly, K2F clockwise | ||
498131 | ‘C’ washer under auto adv. extraction bolt | ||
498157 | Spring, auto advance (2 per) | ||
498339 | Washer under auto adv. extraction bolt | ||
54440888 | Contact set anti-clockwise | 1961-62 | |
A62-92 | Magneto identification label with screws (in red) | Competition | |
A62-91 | Magneto identification label for anti-clockwise rotation, with screws | ||
MAG1 | Overhauled armature and new condenser EXCHANGE | K2F | 1948-53 |
MAG2 | Overhauled armature and new condenser EXCHANGE | K2F | 1954-62 |
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