Trying to get this engine I bought used, to settle down and get a reliable idle.
This is an early version with a single HS mixture needle and an air bleed screw for the LS.
I overhauled the carburetor with new o-rings.
I'm slowly getting it dialed in, but it has been the toughest engine to tune that I have ever messed with.
I'm using some older Powermaster 15% fuel. The can had been sealed so I figure it's still good fuel.
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