Search found 2 matches

by Charlie54
Thu Mar 26, 2026 2:42 pm
Forum: Spares
Topic: Magneto brush fitting
Replies: 0
Views: 11304

Magneto brush fitting

Is there a clever technique for fitting the Lucas magneto rotatating brush under the distributor cap on my 1925 A12 ?

Im fitting a new (Braun pattern) brush that is 6x5x12 mm with a fitted non tapered spring . Ive got it going but can never be a 100% confident the brush is within the retaining ...
by Charlie54
Tue Mar 10, 2026 2:44 pm
Forum: Technical
Topic: Zenith side draught carb mixture adjustment 12/4
Replies: 0
Views: 15995

Zenith side draught carb mixture adjustment 12/4

I wondered if anyone has any advice on adujusting the Zenith carb I have on my 12/4 Clifton. On start up idling it repeatedley wets no 3 & 4 plugs.

Running the engine at increased revs results in the plugs firing ok as indicated by shorting out each in turn and hearing engine tone fall. But on idle ...