96b a problem motor?
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Tourer
Joined: Jan 2010
Posts: 346
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From: Sooke BC
96b a problem motor?
Okay, so the summer is here and Im out riding. Wich is good for finding things to do to the bike over the winter months... er winter half year... So Iv been reading up on the mods Id like to do. ie Cams.
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
Seasoned HDF Member
Joined: Mar 2010
Posts: 38,295
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From: Honah Lee
Mine has 40 K on it. Does not like high rpm. Not sure why people want to put gear driven cams on it. They serve no purpose on a street driven Harley. If you want a Hayabusa buy one.
Last edited by Jackie Paper; May 30, 2011 at 03:47 PM.
Outstanding HDF Member
Joined: Nov 2007
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From: Beautiful Downtown Burbank
Okay, so the summer is here and Im out riding. Wich is good for finding things to do to the bike over the winter months... er winter half year... So Iv been reading up on the mods Id like to do. ie Cams.
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
As far as camming it, just keep your head firmly secured to your shoulders and you wont have any issues. Let your builder select the parts based on your riding style.
Road Warrior
Joined: Oct 2009
Posts: 1,664
Likes: 99
From: P.E.I. Canada
Build it as big as you want, and drive the $hit out of it. If you put really aggressive cams on it you will eventually do some damage, but don't be scared to drive and have fun. Just be sure to build it to your riding style. If you drive hard, go for a heavier clutch and compensator. If you just putt around but want a little more pull, just go for cams and don't worry about it.
Account Closed
Joined: Oct 2009
Posts: 682
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From: In the World
Okay, so the summer is here and Im out riding. Wich is good for finding things to do to the bike over the winter months... er winter half year... So Iv been reading up on the mods Id like to do. ie Cams.
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
So far, Im rockin the V&H big radius 2 into 2, SE Heavy Breather, and Iv got my TTS making it purr like a kitten. But not all is well in the 96b world. Iv been reading about how these are known for having faulty tolerances in the crank, and its runout is obscene. Iv also read that any number of upgrades on the 96b can cause it to grenade.
How true is this? and was it limited to just a few years? My Rock is an '09.
Thanks!
Club Member
Joined: May 2007
Posts: 145,895
Likes: 821
From: 40 miles Northeast of Indy..
I just posted this in the general chat area after answering another question in here..
I found these (5) mini Pod videos from Revolution Perf, showing why the 07 and newer crankshafts can have more run out and he also talks cast vs forged
Also found out that it ain't all bad. The cranks them selves are near perfect when checked between bearing surfaces, but at the same time when checked out at the point where the sprocket runs is not machined and has the run out and is where all the talk is about.
Here Revulation Performace shows and tells us why and then explains thats its not the problem that some think is is.
Really good teaching on HD cranks, It explains whats going on and explains it better than I could tell Ya in here..
If U take the time to watch them U will learn why.
http://vimeo.com/2536249
http://vimeo.com/2536700
http://vimeo.com/2536700
http://vimeo.com/2567824
http://vimeo.com/2578488
I'd think anyone with Machine shop experience/ understanding after watching these will now know why it is what it is and why its works
I found these (5) mini Pod videos from Revolution Perf, showing why the 07 and newer crankshafts can have more run out and he also talks cast vs forged
Also found out that it ain't all bad. The cranks them selves are near perfect when checked between bearing surfaces, but at the same time when checked out at the point where the sprocket runs is not machined and has the run out and is where all the talk is about.
Here Revulation Performace shows and tells us why and then explains thats its not the problem that some think is is.
Really good teaching on HD cranks, It explains whats going on and explains it better than I could tell Ya in here..
If U take the time to watch them U will learn why.
http://vimeo.com/2536249
http://vimeo.com/2536700
http://vimeo.com/2536700
http://vimeo.com/2567824
http://vimeo.com/2578488
I'd think anyone with Machine shop experience/ understanding after watching these will now know why it is what it is and why its works
Last edited by oct1949; May 31, 2011 at 10:09 AM.
Road Captain
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From: Chesterfield, Va...from SC
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Tourer
Joined: Jan 2010
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From: Sooke BC
I guess, every weapon has its dangers. Im still very interested in the state of the affair. AS Iv only got 5000km on it, and Im just getting ready to tear into it. And I want to know all the problems out there.
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Club Member
Joined: May 2007
Posts: 145,895
Likes: 821
From: 40 miles Northeast of Indy..
My thinking is as long as U stay under 110 hp as it been stated in here several time by the major motor builder across the country the stock crank would be fine. I'd also stay with non gear cams.
How true is this? and was it limited to just a few years? My Rock is an '09.
No, the crank changes made in 07 to the 96'ers are still the same.
I also say again our master wrench said couple yrs ago the hardest things to do to a softail is (1) HIGH RPM's down shift,, (like running at 60 and downshift to 3rd. (2) is burnouts.
He said Its harder on a B motor than a A motor because of the balancers on the cranks.
Basically its anything that makes the motor go from IDLE to high rpms, say, 4000rpms in a split second.
How true is this? and was it limited to just a few years? My Rock is an '09.
No, the crank changes made in 07 to the 96'ers are still the same.
I also say again our master wrench said couple yrs ago the hardest things to do to a softail is (1) HIGH RPM's down shift,, (like running at 60 and downshift to 3rd. (2) is burnouts.
He said Its harder on a B motor than a A motor because of the balancers on the cranks.
Basically its anything that makes the motor go from IDLE to high rpms, say, 4000rpms in a split second.
Last edited by oct1949; May 31, 2011 at 01:08 PM.
Road Master
Joined: Feb 2010
Posts: 884
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From: n
The videos oct1949 linked are worth the time. I would sum them up like this: An old school guy talking about the '07 and later cranks and tolerances are like getting him to explain fuel injection when all he has ever done are carbs. The dude makes some sense in the videos. I haven't been that worried about my B motor, but even less now.