| Diagram | Fig. 6 — TIMING COVER AND CONTACT BREAKER · ref 25 |
| Subsystem | engine bottom |
| Listed in parts books | 1969–1970, 1973 |
Contact Set (Lucas 54419828)
Lucas contact breaker points set (Lucas 54419828), used in the timing cover and contact breaker assembly.
This is the contact set for the ignition, listed in the parts books under the timing cover and contact breaker section as well as the crankcase and timing gear figure. It's a Lucas points set, carrying the Lucas part number 54419828 alongside the shop number 99-1014.
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Contact breaker points are what makes the ignition spark happen at the right moment. They sit under the timing cover, opening and closing as the cam inside the breaker assembly rotates, which triggers the coil to fire. Like any points set, they wear over time and gap needs to be checked periodically, since a worn or badly gapped set will throw off ignition timing and cost you performance or make the bike hard to start.
Our catalog record shows this one turning up across appearances from 1969 into 1973, but we don't have it tied to one specific model here. Bring in your bike's details or give us a call and we'll confirm it's the right set before you order.
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