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CVO Technical => Drive Train => Topic started by: Para Bellum on September 28, 2017, 11:49:18 PM

Title: Clutch Engagement Point Changed With Mod Kit For Barnett Scorpion
Post by: Para Bellum on September 28, 2017, 11:49:18 PM
There have been multiple posts recently about the clutch engagement zone being too far out for comfort, and with no adjustment possible, we're sorta SOL.   :nixweiss:

Had a Barnett Scorpion clutch installed in a 2011 SERGU about 2 years ago.  From the start, it had a squeak, or slight squeal, on takeoff.  Also, the engagement point/friction zone wasn't until the lever was almost all the way out (about 3/4" from fully out), so slow-speed maneuvering could be touchy.  Noise did get worse, but clutch function and engagement didn't change.

Saw on this forum where someone else had same noise, and that Barnett had a kit for that.  Called Barnett and they sent me the kit no charge, along with their clutch hub locking tool.  Easy fix; just remove clutch plates, install new damper spring and seat, plus one narrower friction plate, then replace original friction plates and steels.

Opened it up, and Ouch!  Original HD clutch basket had two cracks all the way through outer ring (pictures attached). 



Title: Re: Clutch Engagement Point Changed With Mod Kit For Barnett Scorpion
Post by: Para Bellum on September 28, 2017, 11:50:19 PM
Another:

Title: Re: Clutch Engagement Point Changed With Mod Kit For Barnett Scorpion
Post by: Para Bellum on September 28, 2017, 11:51:03 PM
Last one:

Title: Re: Clutch Engagement Point Changed With Mod Kit For Barnett Scorpion
Post by: Para Bellum on September 29, 2017, 12:06:42 AM
Decided to replace original HD pos with a Barnett billet basket.



After installation, the clutch is smoother than ever, and the engagement point is about 1" from the grip, so friction zone is much easier to control.  Very pleased with the result.

Since the original Barnett clutch already had the narrower friction plate, it looks like the difference for this one was made by the new damper spring and seat.  Kudos to Mike Taylor and Chance at Barnett Tool and Engineering for great customer service.