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post #11 of 64 (permalink) Old 11-05-2018, 10:49 AM
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Originally Posted by aviscomi View Post
Let me start by saying that I typically don't start/create review & tips threads, but being that there is a lot of chatter surrounding the AIMS Light Force I opted to start one.



First AIMS seems to be understating the 40% decrease, its surely feels like well over 60% decrease and the friction zone feels like it does on the Twin Cams. I initially thought that the line was "air-bound" and re-bled it twice because the clutch pull felt so much less than OEM. Unlike HDFBagR (another thread) my AIMS hydraulic line connection did not look like his, so I proceeded with install.



Second, I am a lazy f*&^er and just decided to loosen exhaust rather than completely remove it. I loosen heat-shields to get to manifold nuts, right muffler mount, mounting nut that hold header to the frame and cross-over pipe mount. I left the right floorboard alone, though I probably should have removed it. Once everything was loose, I took off the slave cylinder cover and had to jiggle it out from between the engine and header. I removed the hydraulic line from the OEM cylinder then removed the 3 allens holding it in place. Once removed I noticed a SUBSTANTIAL amount of oil (not brake fluid) behind the cylinder! Sorry no pics.



I then placed a coating of oil around the rubber seal on the AIMS and bolted it in place, along with connecting the hydraulic line. Please be very careful as the instructions state, I can easily see how cross-threading could occur. I proceed to bleed the line, probably took about 6 minutes. I then started the bike in neutral (yes with the headers still loose), pulled in the clutch and put it in gear. The bike start to slowly move forward and I continued bleeding. Tried it again and all was cool. Just like in the other thread my hydraulic line did note pass directly through the notched portion, but I was still able to get the cover back on.



All together about a 2 hour install with a brief test ride. Would I recommend it? Yes if you have hand issues like myself.


Because Iím not very mechanically savvy, I was wondering if you could explain what this does, mechanically, to lighten the clutch pull? What exactly is it doing?


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post #12 of 64 (permalink) Old 11-05-2018, 12:20 PM Thread Starter
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Because I’m not very mechanically savvy, I was wondering if you could explain what this does, mechanically, to lighten the clutch pull? What exactly is it doing?


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It works off the same principle as the OEM (Stock) slave cylinder, but the AIMS has a larger piston with more surface area.
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Last edited by aviscomi; 11-05-2018 at 12:35 PM.
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post #13 of 64 (permalink) Old 11-05-2018, 06:34 PM
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Originally Posted by aviscomi View Post
It works off the same principle as the OEM (Stock) slave cylinder, but the AIMS has a larger piston with more surface area.
What are your thoughts (not gonna hold you to it) on the clutch being fully engaged (potential slippage)? I'm just asking because my local Harley guys are quick to warn me: "If you have any clutch/transmission related problems, warranty won't cover".

But this clutch is killing me and I'd be willing to roll the dice on an informed decision....


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post #14 of 64 (permalink) Old 11-05-2018, 06:45 PM Thread Starter
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What are your thoughts (not gonna hold you to it) on the clutch being fully engaged (potential slippage)? I'm just asking because my local Harley guys are quick to warn me: "If you have any clutch/transmission related problems, warranty won't cover".

But this clutch is killing me and I'd be willing to roll the dice on an informed decision....
IMO it'll make a world of difference.

2018 Road Glide Special Wicked Red SVT BoneShaker Exhaust, RCX Tormentor Headers, FP3, Vance & Hines VO2 Naked Air Intake, AIMS Light Force Slave Cylinder, Legends REVO-A Shocks

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post #15 of 64 (permalink) Old 11-05-2018, 07:05 PM
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IMO it'll make a world of difference.
I take it that means you don't think it's going to have much adverse effect on the clutch itself?

Doesn't that 40% reduction in lever pull come with a reduction in plate travel as well?


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post #16 of 64 (permalink) Old 11-05-2018, 07:13 PM Thread Starter
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I take it that means you don't think it's going to have much adverse effect on the clutch itself?

Doesn't that 40% reduction in lever pull come with a reduction in plate travel as well?
Not quite sure if it equates to a reduction in clutch plate travel. I've used AIMS products on a couple of VTWIN high performance builds. This product isn't some McGyver fix that someone made in their man-cave.

Actually its either here or over on the HDFORUM, but I read where one of the members is an HD Tech at dealership and they are selling/installing the AIMS light force.
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post #17 of 64 (permalink) Old 11-05-2018, 09:12 PM Thread Starter
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I take it that means you don't think it's going to have much adverse effect on the clutch itself?

Doesn't that 40% reduction in lever pull come with a reduction in plate travel as well?
Also, read page 3 of this thread. A member there actually perform a before & after test:

https://www.hdforums.com/forum/milwa...l#post17807081

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post #18 of 64 (permalink) Old 11-06-2018, 07:44 AM
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But you do realize that the cover goes back on after installation?[/QUOTE]. Thanks, I was just going to ask if the original cover went over the AIMS.


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post #19 of 64 (permalink) Old 11-06-2018, 07:58 AM Thread Starter
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But you do realize that the cover goes back on after installation?
. Thanks, I was just going to ask if the original cover went over the AIMS.[/QUOTE]

It is a shame to cover it up. The AIMS is a made with billet aluminum and a nice black finish.

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post #20 of 64 (permalink) Old 11-08-2018, 12:20 PM
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Contacted AIMS and the (your) unit will not fit my 09 CVO. They do have a VP IV Series which fits directly onto the clutch and will produce a similar results. AIMS have a video on You tube and they said its a 10 to 20 minute install only removing the primary derby cover and removing the OME pressure plate and installing their plate and shim.


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