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I have just been given 2 spark plugs for the IP2. These are NGK 7471, are they really for the rotary? Nothing like the plugs in my engine nor my previous IP2 [why did I sell her} nor in the manual.
Many thanks Roger
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I have used from the start NGK C8E 7471 with no issues.
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7471 is NGK's stock number for their C8E plug. That one seems best all round for Norton rotaries.
Slower slower, no faster faster - the joys of old fogey mode to hooligan mode at the flick of a switch
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I'll go with Richard on that,I have tried various other plugs over the years but have always found NGK's C8E's to be the best all-rounder for our rotaries,J.B.