Sounds like the choke linkage is not returning all the way. From under the
hood (bonnet) manually see that the linkage is fully returned to the off
positions, then take a spin.
Sometimes it is some simple.
Bill
Sent from mobile Bill
On Jul 5, 2014, at 7:23 PM, "Jeff" <piggerp@comcast.net> wrote:
I've been trying to get my TR4A on the road before winter sets in again.
I'm having a heck of a time getting my SU HS6 carburetors tuned. I pulled
the floats and checked the fuel in the chamber. They have Grose Jets in
them. Both chambers have fuel about 1/2 way up the bowl. I've done the
tuning on both carbs to where when you lift the piston the engine RPM seems
to rise and fall. The engine runs great, I can rev it with no hesitation
and it seems very smooth. I pulled the plugs and they were normal color.
When I take it for a spin though I can only get about 2 blocks and it starts
missing badly. I get it home and pull the plugs and they are really sooty.
What am I missing?
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