Barnett Scorpion clutch problems?
Grand HDF Member
Joined: Sep 2010
Posts: 3,580
Likes: 215
From: Illinois
I had the Scorpion on my S&S106 Dyna and that was one badass clutch. I had it setup with 420lbs spring pressure.
NO synthetic fluids should be run in the Scorpion. ATF Type F or I used to run Redline Primary fluid! Make sure to not overfill the primary.
NO synthetic fluids should be run in the Scorpion. ATF Type F or I used to run Redline Primary fluid! Make sure to not overfill the primary.
Seasoned HDF Member
Joined: Jun 2017
Posts: 5,315
Likes: 4,272
From: Granville New York
Nice thread revival new guy...still not a record. Its normal for any lockup clutch to hard or near impossible to engage at high rpm. Just think about whats going on in there...the faster the clutch spins the more centrifugal force pushes on the pressure plate so your clutch wont slip...now think about how much more leverage you'd need to overcome that...id imagine your clutch lever would need to be about 2 feet long and mounted in much sturdier perch. Either go with a quick shifter setup or you need to find out just how much you have to let off the throttle to give you just enough leverage to shift. I put one of those aim vpc lockups on over this past winter and while i dont speed shift very often ive found theres no issues shifting at high rpm. i have a hydraulic clutch which might be helping or hiding the issue.
Novice
Joined: Oct 2019
Posts: 23
Likes: 36
From: RI
Update from Barnett.
Ya just want to give this forum an update on the clutch locking. I spoke with Barnett yesterday. They informed me the impossible lever pull is normal. They informed me that if I remove three weights on the lock that can easily be removed
would be the way to go. Remove every other weight to keep the balance. He even informed me that some even remove all the weights and it still runs fine. They said that even the weight from the weight hinges are enough to push hard on the plates. I'm doing this sometime this week. I'll give an update later.
would be the way to go. Remove every other weight to keep the balance. He even informed me that some even remove all the weights and it still runs fine. They said that even the weight from the weight hinges are enough to push hard on the plates. I'm doing this sometime this week. I'll give an update later.
Novice
Joined: Oct 2019
Posts: 23
Likes: 36
From: RI
Ya just want to give this forum an update on the clutch locking. I spoke with Barnett yesterday. They informed me the impossible lever pull is normal. They informed me that if I remove three weights on the lock that can easily be removed
would be the way to go. Remove every other weight to keep the balance. He even informed me that some even remove all the weights and it still runs fine. They said that even the weight from the weight hinges are enough to push hard on the plates. I'm doing this sometime this week. I'll give an update later.
would be the way to go. Remove every other weight to keep the balance. He even informed me that some even remove all the weights and it still runs fine. They said that even the weight from the weight hinges are enough to push hard on the plates. I'm doing this sometime this week. I'll give an update later.
Barnett scorpion drag problem
Yes I have a 08 RKC. S&S motor with barnett scorpion lock clutch. The clutch seems to be working ok no slippage. However when my RPM's are high there is no way to pull the clutch lever in at all. It seems to be locking and won't allow me to pull the clutch lever in order to shift. Is this normal ?. I am unable to race because I can't shift up to any gear. Is there a fix for this or is this normal operation for scorpion lock clutch. A shop installed it.
PS The clutch lever works fine otherwise. It only happens at about 5000 rpm. No problem with being able to pull lever at riding RPM"s
PS The clutch lever works fine otherwise. It only happens at about 5000 rpm. No problem with being able to pull lever at riding RPM"s
sorry for my english spelling i am lurning i am french from North of Montreal PQ Canada .
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ColdRain
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