Smoke from carburettor

[G3L1946]

Afternoon all,

After initial run, after restoration, needed a few items attending too. That all done, starts second kick, ticks over nicely ( well, as good as I can get it ). However, when stopped engine notice white smoke coming from carburettor air intake/ mouth.
Any clues please? Didn’t notice it previously and non of the adjustments, after initial test run, were with carburettor. Did adjust oil feed to rocker box ( reduced oil by turning screw in slightly ).
Oh, I did also apply exhaust sealant around the port and pipe to give it a good seal. Not sure that would have any bearing!

1955 G3LS

Thanks,

Steve

[1608]

Check i/l tappet clearance, may be a bit tight.

[G3L1946]

Hi,
Will check that again but should be O.K. as only just reset. Im now thinking could well be the sealant hardening and burn off from that getting into cylinder? Will give bike a run and re check .
Thanks for your thoughts.

Steve

[G3L1946]

No more smoke! Must have been something to do with the sealant. Anyhoo, off around the sunny North Yorkshire moors san smoke.

[Ralph]

Maybe the engine just came to a stop with the inlet valve open.

[G3L1946]

Good point! Just never noticed it before.

Thanks,
Steve

[MalcW]

Maybe the engine just came to a stop with the inlet valve open.

That's what I reckon. My bike does it occasionally - never really thought much about it.

Malc

[G3L1946]

Never noticed it so never thought about it. Now I’ve noticed it I’ll think about it. Now I’ve thought about it, I’ll forget it!

I think , ergo I am. Maybe, I shouldn’t?

Steve

[spookefoote1956]

Maybe the engine just came to a stop with the inlet valve open.

That's where my money is. Mine does it too

[jackstringer]

You can get a bit of vapor pour out from time to time depending on the conditions. It looks kinda cool.