30T on the books, GET SOME
Road Captain
Joined: Aug 2009
Posts: 619
Likes: 3
From: In Garage
Could someone please explain to me what the compensator actually does.
Does it soften the clutch engagement or is it there just for starting the bike.
What efect would it have to have a non compensator sprocket? Harsher engagement?
Does it soften the clutch engagement or is it there just for starting the bike.
What efect would it have to have a non compensator sprocket? Harsher engagement?
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
As the crankshaft is driven by the cylinders, the speed it rotates at fluctuates, by accelerating when each cylinder fires, then slowing down as each cylinder comes up to compression, then accelerates as the next cylinder fires, etc. The compensator helps take out those fluctuations as the crank transmits drive to the clutch, so we get a smooth ride from the rear wheel.
The reason tickover speed is thought by some owners to be high, at around 1,000rpm, is because if the crank speed was to drop much lower, these rotational speed changes could become harmful to the engine.
Last edited by grbrown; Apr 10, 2010 at 04:34 AM. Reason: Added para.
Thread Starter
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Road Master
Joined: Aug 2008
Posts: 1,027
Likes: 163
From: Grapevine Texas
At 20 I was doing 18
At 30 I was doing 27
At 40 I was doing 36
At 50 I was doing 45
So one needs to keep a mental calculator in mind or buy a dakota digital or some kind of speedo calibrator. Although one thing I was looking for was my 6 speed indicator, and you know, I didn't see it come on, hell, I even thought maybe I ain't going fast enough, I cranked it to 88mph and it still didn't come on, but I honestly don't recall the thing ever coming on. I'm gonna have to look into that one, don't know if they put em on the 06 dynas or not.
Outstanding HDF Member
Joined: Nov 2009
Posts: 2,666
Likes: 133
From: TEXAS
06 doesn't have indicator for sixth
good write up, I have all the parts in my garage to do this, they have been sitting there for 3 long days because I have been busy with work and other stuff. I bought a locking tool from jims I think it was about 30 dollars.
I have a couple of questions. Mine is an 06 superglide. Did you have to take the inner primary to a shop and have the bearing pressed or can you do it at home and second can you use any impact socket that size or does it have to be extra deep.
Now I am concered about my wimpy impact not getting the job done.
good write up, I have all the parts in my garage to do this, they have been sitting there for 3 long days because I have been busy with work and other stuff. I bought a locking tool from jims I think it was about 30 dollars.
I have a couple of questions. Mine is an 06 superglide. Did you have to take the inner primary to a shop and have the bearing pressed or can you do it at home and second can you use any impact socket that size or does it have to be extra deep.
Now I am concered about my wimpy impact not getting the job done.
Thread Starter
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Road Master
Joined: Aug 2008
Posts: 1,027
Likes: 163
From: Grapevine Texas
Did not know the indicator light trivia thanks....
This would explain why I have never seen a light come on, lol, but I always use to know 6th because it would start lugging along, blaaaaaaaaaaaaaahhh.
good write up, I have all the parts in my garage to do this, they have been sitting there for 3 long days because I have been busy with work and other stuff. I bought a locking tool from jims I think it was about 30 dollars.
I have a couple of questions. Mine is an 06 superglide. Did you have to take the inner primary to a shop and have the bearing pressed or can you do it at home and second can you use any impact socket that size or does it have to be extra deep.
The first time I had my primary out a year ago, yea I took it to harley to have them remove and replace ipb, I'm not gonna say any more on that experience. This time, no way man, I took it apart myself, pry the old seal out, get some snap ring pliers, pull the snap ring out, take a socket the same diameter as ipb and smack that sucker out of the cover. Keep in mind it's an aluminum cover so throw a little heat on it if you like, and support the cover with wood or something to absorb the blows, don't want to crack the cover. Easy, man, easy. Socket needs to be extra long, some folks bought one from Jim's, and others made em, welded a big *** socket on a extension.
Wimpy impact, won't cut it, rent a heavy duty or borrow one, also might wanna soak the pully nut with a good penetrant oil the night before to assist in breaking up the bond of corrosion/water.
Now I am concered about my wimpy impact not getting the job done.
This would explain why I have never seen a light come on, lol, but I always use to know 6th because it would start lugging along, blaaaaaaaaaaaaaahhh.
good write up, I have all the parts in my garage to do this, they have been sitting there for 3 long days because I have been busy with work and other stuff. I bought a locking tool from jims I think it was about 30 dollars.
I have a couple of questions. Mine is an 06 superglide. Did you have to take the inner primary to a shop and have the bearing pressed or can you do it at home and second can you use any impact socket that size or does it have to be extra deep.
The first time I had my primary out a year ago, yea I took it to harley to have them remove and replace ipb, I'm not gonna say any more on that experience. This time, no way man, I took it apart myself, pry the old seal out, get some snap ring pliers, pull the snap ring out, take a socket the same diameter as ipb and smack that sucker out of the cover. Keep in mind it's an aluminum cover so throw a little heat on it if you like, and support the cover with wood or something to absorb the blows, don't want to crack the cover. Easy, man, easy. Socket needs to be extra long, some folks bought one from Jim's, and others made em, welded a big *** socket on a extension.
Wimpy impact, won't cut it, rent a heavy duty or borrow one, also might wanna soak the pully nut with a good penetrant oil the night before to assist in breaking up the bond of corrosion/water.
Now I am concered about my wimpy impact not getting the job done.
Grand HDF Member
Joined: May 2007
Posts: 3,553
Likes: 17
Second that, but one thing you do have to do is fire up your calculator. I went for my first ride last week and noticed cars were passing me up when I was doing 65 in a 60, and I thought that was a little odd. The next day I zip tied my gps to the handlebars, and saw I was doing about 59 when I thought I was doing 65.
At 20 I was doing 18
At 30 I was doing 27
At 40 I was doing 36
At 50 I was doing 45
At 20 I was doing 18
At 30 I was doing 27
At 40 I was doing 36
At 50 I was doing 45
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Road Warrior
Joined: May 2005
Posts: 1,301
Likes: 24
From: Minden LA
I went the other way: That is, I went to a 33 tooth fwd belt sprocket. I just installed the 95" kit and cams, put in 9.4:1 compression pistons and re-jetted the carb. It runs out so quick in first that I spent more time shifting than going and, being that it is a v-twin and never was built to be great in the rpm department, I figured I'd let the cubes and torque get me there. And the rpms at 80 are lower which will help in the engine life department. Almost at 100k on the bike now, I want it to last for 200k, half way there.
Road Warrior
Joined: May 2005
Posts: 1,301
Likes: 24
From: Minden LA
It's a torque absorption device to keep you from dumping the clutch and twisting things (like the crank) and causing damage. Aircraft use these devices for when you turn on the generator for instance, the instant load is tempered by torque shafts or the stretching of a belt so you don't get that snap effect that can cause the driveline to be subject to unwanted stress. If you dump the clutch hard without the compensator and break the chain or twist the crank, you aint goona be a happy camper, and neither will your wallet. jtth