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Dear B, as far as starting, theres no particular place to try and worry where those marks are to make her start any easier etc., HOWEVER, they are timing locators for setting the initial dynamic start timing, with the fine tunign start timing then accomplished by rotating the mag CW to retard or CCW to advance. When the left hand impulse is at 3 o clock in line with the mark on the tractors side and the left no. 1 cyl is at TDC on its power stroke, the mag should just then snap over to fire its plug. If she tends to kick back when you attempt to hand start it, retard the mags timing. As far as the best method of throttle and choke etc etc to start it, that depends on teh tractor and temp and timing etc etc and there are about as many ways as people on here to advise on that. Many of mine when cold like the throttle open above idle, choke full for ONLY 1 or 2 piston overs, then choke to 7/8. If she floods like youre getting way too much raw fuel out the petcocks, open the choke and throttle both to clear her out. Good Luck, God Bless and post back any more questions. Ol John T Nordhoff in Indiana
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