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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Norton dual points
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<blockquote data-quote="greg brillus" data-source="post: 62703" data-attributes="member: 597"><p>We have installed a few of the Crane/S&S Hi 4 and Hi 4N type ignitions which work well and are quite adjustable. The old ones had an adjustment to alter the firing point for the rear cylinder on Harley's plus or minus 5 degrees, which made allowances for our 50 degrees, but the new ones don't have that feature any more. So we modify the rotor by adding a small amount to one of the gaps in the rotor to change the timing from 45 to 50 degrees. Takes a few goes but you can set it up dead accurate, as it has a small red LED light that tells you the instant the coil will fire. It has adjustable advance curves, and a retard setting for starting to avoid kick backs and a few other good features. I think they would be very reliable......Cheers......Greg.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 62703, member: 597"] We have installed a few of the Crane/S&S Hi 4 and Hi 4N type ignitions which work well and are quite adjustable. The old ones had an adjustment to alter the firing point for the rear cylinder on Harley's plus or minus 5 degrees, which made allowances for our 50 degrees, but the new ones don't have that feature any more. So we modify the rotor by adding a small amount to one of the gaps in the rotor to change the timing from 45 to 50 degrees. Takes a few goes but you can set it up dead accurate, as it has a small red LED light that tells you the instant the coil will fire. It has adjustable advance curves, and a retard setting for starting to avoid kick backs and a few other good features. I think they would be very reliable......Cheers......Greg. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Norton dual points
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