It's VERY common for engines to be set up so the marks on the timing gears are not lined up when #1 is at TDC.
As long as that's the way the designers set it up AND the marks are properly aligned, no worries.
My GUESS is that they do it that way so NO valves are being opened, or just closing which would tend to make the cam rotate back out of position, and make it difficult to install the timing gear.
They pick a sort of "neutral point", where the cam will stay put (not rotate forward or backward) while you install the gear, and make the gear timing marks at that point.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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