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idles poorly

  1. Vanguard Engines
    I recently bought a early 1980's Case 444 with a Vanguard 14HP engine on it. When it is idling it surges on and off badly...but when the throttle is moved to about 1/2 the surging stops. The PO told me that that is because of the pollution controls on the engine and you cant even adjust the...
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