Sunday, 31 August 2025

SQ4 - idling

 The Solex is back on, but I still have a problem with idling - but it's different. The bow in the inlet flange that I removed has changed it's behaviour at idle, as you might expect, but in tuning the idle I've realised that the idle volume screw is very worn. 

I've ordered a new one:

While I wait, I've wrapped the old screw with PTFE tape which should help.

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