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To those of you who have been around for awhile this is probably going to sound like a really stupid question but here it is anyway. I know that the "B" in the engine description is for balanced but what exactly does that mean? The 3 models of bike that I am looking at are the FXDC, FXSTC and FXSTB, obviously the FXDC does not have a "B" engine but what does that mean? Is the bike going to have more vibration or not run as efficient? Thanks.
P.S. I will be posting this in the softail forum also just to ensure both sides are heard.
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the dynas and touring bikes have the "A" engine that has no balance shafts.
the Softails have the "B" engine with has a mechanizim between the flywheels which consists of a chain and small rotating counter balancers.
its is the opinion of many that the counter balance engines should not be reved as high as to not to damage this compnent.
and there is some parisitic loss with the extra parts dragging on the engine.
Good fricken answer,So that means dynas have more power on a lighter bike making them more fun to ride! the same power as a touring without all the extra weight so more fun to ride! I'm sold!
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'08 vivid fatbob,
BUB7 2/1,
A/N big sucker,pcV,
dually switchblades, grips shifter and B-Pedal
SB solo seat for cruzin
Jackyl's 2"+Spacerjim's2"
The softails have a smaller frame and lack space for the regular rubber mounting sytem so the 96B is used to reduce vibrations. According to the drag boys the 96B has limitations when it comes to tuning, an earlier rev limiter and is a few HP short of the 96A due to the added weight of the blanacers and chains etc.
So, if you want to go drag racing... well you get my point
Your hard pressed to feel the difference in hp/tq between the Dyna and Softails on the old butt dyno. I do however feel a difference in vibes. I have felt some vibes on some of the Softails I have ridden at higher RPMs. Not bad, but noticible.
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Now that's thinkin' with your dipstick Jimmy !
I prefer my Dyna over our FXSTC, I like the Harley shake and power.
My wife on the other hand like the smooth power band of the Softail.
I guess that was part of the reason I was asking the question. If there is more vibration, is it going to be enough that over the course of a few hundred miles it is going to negatively affect my wife's enjoyment of the trip?
96B vs 96???
