SOHC.co.uk Forums > CB750
First ride misery.
Graeme77:
Great, thanks.
Odd you had the same issues and the jets solved it, the mains shouldnt be doing anything at 1800 and below.
Did it ever idle right with 120's? Mine idled just fine before.
It even idled with 132's.
Graeme77:
Out of curiosity i checked the cam timing. Can lift the cover enough with the engine still in to see the end of the cam :)
As predicted, its fine, spot on in fact.
BigAl (Alan):
120 jets, Checked the electric's/timing/points/needle hight as yourself, still no joy! Replaced the main jets to 105 (forgot to mention I changed the air box to carb rubbers, existing had hardend and shrunk) checked all clamps and its been great to this day
Graeme77:
Spoke to a very helpful tech guy at boyer and he said its either a bad connection in the power feed to the box, or the box is broken.I said about runing it from another batty and he agree'd that would confirm either way.
Run it from my car battery and no difference so the box is indeed faulty.
Graeme77:
If you had no ignition, would you get together a stock points set up, or go electronic bith boyer?
Cant decide whether to perservere trying to get an advancer, or get another ignition box.
Pity i dont have the reciet or it would be replaced under warranty.
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