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Dave, how is that even possible? Twelve links? What akes up THAT much slack?
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I'm not sure it is possible. I'd like to know how learnix determined the chain is in fact a 198 link, rather than the correct 186 count. And if he didn't install it himself, what technician should be put on the avoid list
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And to the point of my first post, if the timing is retarded the first time around, isn't it doubly so the second and so on?
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It's not progressive. Picture four clocks, one at each point of the compass, all at 12 o'clock. N and E are your cam gears, S is the crank and W is the tensioner which is not a gear, just a slider. The chain wraps around the outside of N, E and S. It winds inside of W, which pushes inward to tension the chain. When the chain lengthens beyond the travel of the tensioner, it gains slack around the compass, but the number of links between the teeth remains constant. S, the crank, pulls the chain. Slack between S and E retards that E cam, to say 11:55. Further slack between E and N retards the N cam five more minutes, which puts it at 11:50 in relation to S, the crank. Unless the chain jumps, the number of links does not change hence the timing is retarded, yet constant.
But with that said, I think twelve links is far too much for the tensioner to make up for. Again, I hope learnix responds for our edification.