dieseldog558,
I know what you mean. Some of those engines vibrate like they have a bent crank.
The 1450 i had vibrated so bad you were seeing double. I replaced the rubber motor mounts with new Cub Cadet mounts. No difference. Snubbers were adjusted correctly. New drive shaft and flex couplers. I used it for 2 years. Shaking the whole time. When i got the 149 i couldn't believe how much smoother it was. I keep the 1450 but very seldom ever used it. When i got the 169 i sold the 1450 the next day. I have removed the balance gears from the 149 and 169 and you couldn't tell any difference. I have drove some quietlines that were pretty smooth. But it seems like most people you talk to complain about the vibration. I never could figure mine out.
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