07 RK Compensator
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Joined: Jan 2009
Posts: 1,551
Likes: 6
IDS alone did it for me, and I'm not getting any chatter or other noise from my stock comp. Oddly, since upgrading cams a few months ago I haven't noticed the starter knock at all, or at least it is less intense, but I can't make a mechanical correlation between the two. The bike also starts quicker (less cranking) than with the stock cams, which also has me baffled.
Cams change cylinder pressure and firing pressure. all cams generate a "Hole" in the cylinder where both valves are open for an instant. Different lifts and grinds/durations and overlap dictate the timing, size and duration of that "hole" where compression is lost and at what point in piston position the pressure is lost. Then add in spark timing and you can see why a simple cam change can make starting harder or easier....Therefore, an easier starting v-twin is less likely to generate the starting backlash that causes comp knock, huh?
iclick, you got lucky with your choice of cams in relation to all your other assembled parts. None of us here are likely to assemble our engines exacly like yours due to the million possible combinations we might chose. For those of us, the upgraded comp sprocket is the solution.
Grand HDF Member
Joined: Sep 2007
Posts: 4,122
Likes: 43
From: Boise Idaho
IDS alone did it for me, and I'm not getting any chatter or other noise from my stock comp. Oddly, since upgrading cams a few months ago I haven't noticed the starter knock at all, or at least it is less intense, but I can't make a mechanical correlation between the two. The bike also starts quicker (less cranking) than with the stock cams, which also has me baffled.
Road Master
Joined: Jun 2009
Posts: 1,078
Likes: 1
From: southern maine
evo ind
I installed a evo industries gear kit in mine it helped out alot new gear and chain plus gives me a chance to use the sixth gear which i love if any one is interested i have a whole setup i would sell as well was gonna put it the ol ladys bike but i dont want hers beating mine so im gonna leave it b
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Intermediate
Joined: Oct 2007
Posts: 28
Likes: 0
If I had a wife, I'd be glad just to own a Harley and not have the extra time or bucks to be ****, ya know?[/QUOTE]
Too funny...my wife thinks I'm **** because she can't hear the noise from her perch. I believe her mindset is "just ride it" . Gotta luv it. I just want something to work the way it was designed to work and if it's not right, I want to make it right. Plus, I'd rather listen to the exhaust note than chatter!
I removed my primary cover to inspect the chain and tensioner and everything is tight and "perfect" which leads me to believe it is the compensator sprocket. However, I didn't think about the cams. I do have the bang at ignition. I've done some things to try to isolate the noise and it seems to be related to the crank output because if I'm at a constant highway speed and then pull the clutch in and decelerate, the noise decreases with less engine stress. Variations in engine torque vary the sound of the clatter. I might not know what I'm talking about but I try process of elimination while weighing in the responses from knowledgeable guys here. Thanks for your replies.
I'm probably going to ride out the season and then replace the original sprocket with the SE one.
Looking forward to additional input from those who have done the SE compensator sprocket upgrade.
Too funny...my wife thinks I'm **** because she can't hear the noise from her perch. I believe her mindset is "just ride it" . Gotta luv it. I just want something to work the way it was designed to work and if it's not right, I want to make it right. Plus, I'd rather listen to the exhaust note than chatter!
I removed my primary cover to inspect the chain and tensioner and everything is tight and "perfect" which leads me to believe it is the compensator sprocket. However, I didn't think about the cams. I do have the bang at ignition. I've done some things to try to isolate the noise and it seems to be related to the crank output because if I'm at a constant highway speed and then pull the clutch in and decelerate, the noise decreases with less engine stress. Variations in engine torque vary the sound of the clatter. I might not know what I'm talking about but I try process of elimination while weighing in the responses from knowledgeable guys here. Thanks for your replies.
I'm probably going to ride out the season and then replace the original sprocket with the SE one.
Looking forward to additional input from those who have done the SE compensator sprocket upgrade.
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