SOHC.co.uk Forums > Project Board
400/4 build. Paused due to other commitments. But starting up again
McCabe-Thiele (Ted):
--- Quote from: ComfySofa on September 14, 2023, 10:11:58 PM ---Had to come back in as I've got an early start tomorrow I've got spare HT but no plugs to go in the coils....I'll be back in tomorrow night...and the weekend.
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--- End quote ---
Switch the leads 2 & 3 and see if the problem moves to number 2 cylinder as long as you have not shortened the leads too much. Also worth seeing if the plug is wet on number 3, easy enough to dry it off and heat it up a tad if you have a gas ring.
ComfySofa:
No prob ..I'll try that when I get home ..cheers sir ..thanks for all the help and advice...
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ComfySofa:
Ok - got some garage time for a bit....swapped the HT's over on the one coil....i think last night i didnt let it run about 10 seconds of popping from cylinder 3 and then it started to get hot.....
So, while it was sitting there at 3k running (from cold) i started to push things on the carbs and eiphany moment....pushing those big brass hex bolts down (theres a couple of mm of springloaded play downwards and the revs dropped down) - then it conked out as ive backed off the tickover screw....
Theres some screws directly behind that look like they can be adjusted...
Edit: tried adjusting them....all the way out or all the way in doesnt make any difference......if i adjust all the way in i loose the ability to push them down so the bike sits at 3k...
Hey - its progress i can actually get it to tickover now...albeit pushing all four brass bolts down..!
Just adding here for visibility...i did speak to Roo just now but he was in a bad signal area so sounded like Norman Collier...
Oddjob:
Norman Collier was far betting looking. Roo looks like they threw away the baby and raised the afterbirth
McCabe-Thiele (Ted):
I've sent you a PM hope it helps.
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