[ROVERNET - UK] RE: 2000TC Ignition Timing
vmitps at netspace.net.au
Tue Apr 15 09:24:08 BST 2008
On the TC I just look at the dashpots (without the air filter...).
You can compare them quite easily, I think it is more accurate than
----- Original Message -----
From: <slatskars at comcast.net>
To: <rovernet at lyris.ccdata.com>
Sent: Tuesday, April 15, 2008 3:52 PM
Subject: Re: [ROVERNET - UK] RE: 2000TC Ignition Timing
> The old way of carb mixture and balancing (before Unisyn's) was to raise
> the carb piston slightly using the pin or a small screwdriver. what you
> wanted was a slight increase in RPM followed by a drop in RPM. If it
> immediately dropped, the mixture was too lean. If it increased and kept
> increasing as the piston is raised, too rich. After setting the mixtures,
> put one end of a small diameter hose in your ear with the other ablut 1/2'
> into the throat of one carb and listen to the air flow. Compare it to the
> other and adjust them until the air flow sounds equal. Reconnect the
> linkage and you are good to go. It really works and did for many years. If
> you read the manual it will tell you to tune the mixture for the best
> speed (In American English, that is the highest RPM). that is a good place
> to start, but you ddo want that slight increase followed by the drop off.
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