4th Generation High Performance Ignition upgrade.
Grubee Inc
$48.00
3-piece ignition performance upgrade.
New shipment of 200 sets due to arrive in 3 weeks.
HISTORY: In proven lab test the new "Gen 4" HP CDI & Magnum Magneto Coil produces a whopping 5KV more available voltage than the stock "Gen 1", Gen 2 and the Gen 3 magneto field coils. See pictures:
The HP CDI and the Magnum Fat Coil works best with the special Magnum Rotor magnet. Read on:
More power in = more power out: The Monster Rotor magnet has nearly twice as much flux density lines of force as compared to a standard China doll rotor magnet. We mark the magnum rotor magnet with a Checkerboard Plaid pattern on the outboard side for quick ID.
Check out the attached magneto coil history picture from 2000 to 2021
The "Mag Coil and HP CDI can jump a 3/4" air gap as compared to a 3/8" to 1/2" gap for the stock standard "Old Dad", Old Son and Fat Boy versions. OK! How so?
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The "Gen 4 Magnum magneto" has a coil with more turns of fine wire as compared to the so called "Gen 3 Fat Boy" 357-ohm coil that has larger dia. wire but with the same approx. number of turns as a stock Gen 2.
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Gen 4 Magnum fine wire coil ohm has resistance of 485 to 492 OHMs @ 80 degrees F measured with a quality digital ohm meter.
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It is a proven fact that the "Gen 3 Fat Boy" coil with a bigger winding dia. and measuring 330 to 357 ohms resistance does not produce any higher KV output than a standard smaller diameter coil "Gen1 & Gen 2 " with same amount of ohms resistance.
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The CDI with the Red spark plug wire has a larger Micro Farad Capacitor to take advantage of the increased voltage (400 V ) sent out by the "Gen 4 Magnum" coil.
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The "Good Boy" magneto coil is identified by the red spool and has a date of manufacture sticker. Recently we have seen red spools on other coils that are not the same specs as ours.
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The MAX CDI is identified by the red terminal wire and a Red boot. Yes, it looks the same as competitor's CDI but it's not the same inside.
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NOTE: The CDI terminal fits the spark plug when the screw cap is removed. See picture.
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KV = Kilo Volts. 1KV = 1000 Volts.