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The number one cylinder is the cylinder towards the cooling fin end of the engine. The number one wire is the socket closet to the block in the mag cover. One of the aluminum cooling fins on the front end of the crankshaft it has a mark notched crossway into it facing outwards towards you as you look at it from the end. The notched fin should be pointing straight upwards. for #1 to be TDC. When you determine TDC #1 here's the mag info. The wire socket nearest to the block side on the cap is #1 on the mag cap. With the mag off the engine turn the mag clockwise with your hand til it snaps and fires thru the #1 socket. When the mag fires thru the #1 socket hold the gear at that position and put the mag back on the engine being sure not to let the mag drive gear roam away from where it snapped for you as you mesh the gears. When the mag is back on with the crankshaft fin notch upwards and the X visible in the hole you should be in time. The proper timing is 27 degrees BTC so there is a chance you are in time already in the gears but out too far on the slide adjustment or points gap. Someone may have put the punch mark on the mag gear but Wisc did'nt have them from the factory unless it is a much later model engine than what came on the 68 or 69. If I am not clear enough or have missed something my email is [email protected]. I would be more than happy to email or fax a copy of the shop manual to you.
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