Posted by Bendee on March 13, 2008 at 21:33:45 from (124.254.65.227):
In Reply to: Won't start day3 posted by troyr on March 13, 2008 at 11:27:57:
Spent half hour trying to work out where your 12 o'clock is. Your magento shows 1 3 4 2 Magneto markings show 1 4 3 2 so we assume incorrect.Four and one piston in same position. To check.Remove rocker cover,Bring No 1 to TDC with valves closed and rocking.Should have spark at plug - a little.Slowly turn over by hand,assume engine goes CCW [but to check look at fan blade,if the top is dished toward motor it will be CCW sucking air through radiator.] watch for next valves closed on 2 or 3. check spark at plug. so it's 1 - 4 - fill in gaps.
Recap.. Valves closed. No.1 on TDC. flywheel lined up. Spark at plug. Change marks on Magneto. Further reading your post.You say the plug fired.then saw the firing mark,passed that and lined it up with centre.Your engine should fire at ? degrees BEFORE TDC,you now appear to be out by that number of degrees and firing AFTER TDC. Loss of power.
Check valve gap. closed on 1 with 4 rocking gap 1 3 ' 2 ' ' 3 4 ' 1 ' ' 4 2 ' 3 ' ' 2
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