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Linkmeister Supreme
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Discussion Starter #1 (Edited)
I found this chart again and thought the motorheads among us would find it interesting and useful.

http://d136nqpz68vrmx.cloudfront.net/digital_assets/NGK-Spark-Plug-Guide.gif

The NGK Iridium DPR7EIX-9 plug is the one recommended for Ma Kaw's VN700/750.
What the NGK Iridium Spark plug number DPR7EIX-9 means.

D = 12 mm -Thread Diameter
P = Projected Insulator Type
R = Resistor Type
7 = Heat Rating---(2 COLD-----11 HOT)
E = 19 MM (3/4") -Thread Reach
I = Iridium Platinum Plug Type
X = Booster Gap -Firing End Construction
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9 = 0.9 mm (0.036") Wide Gap (EDIT: electrode air gap)
 
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