Johnson TD-20 5hp Outboard Ignition Coil Timing Throttle Plate 580084 1946-1949 Carburetor I was unsure of what

I was unsure of what this item was for quite some time

You need different ones if you are using oversize pistons

(especially with inboards) so contact us or check with your parts diagram if you are unsure on fitment

Rochester 17080561

MerCruiser 861554T01 Power Steering Cooler Replaces 861554T

Johnson TD-20 5hp Outboard Ignition Coil Timing Throttle Plate 580084 1946-1949 Carburetor I was unsure of whatPart Number(s) Included 71 300,510 300510 Ignition Coil Plate 580084 Ignition Coil The Primary windings read roughly 0 to 0. 5omh (I am going to assume a dirty connection, if it was truly bad it would be no continuity) and the Secondary windings read 3500K on the cleaner looking coil and 6500k on the dirtier looking coil which fall within those 3000K to 8000K specifications. Although running experience may be different, but as far as the bench test is