Re: Weak Spark
On my Model A. Had a fair spark but would not start when hot. Checked coil primary. Between pos and neg on coil. Meassured 5.3 ohm. Primary to secondary (output) was 9,000 ohms. Found my old coil. Primary was 1.6 ohms with 9000 secondary. Problem solved. 1in srark jump now. No start problems. Check coil
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