Dr. Pulley Aprilia/Scarabeo/Piaggio HiT Clutch

Description

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Item Description
Dr. Pulley HiT Clutch 251701 with 55 degree pillow springs for the Aprilia Atlantic 500 4T LC, Atlantic 500 4T LC Spring, Scarabeo 500 4T LC, Piaggio MP3 500 and many more.
The Dr. Pulley HiT Clutch has 2 sets of springs at work: the clutch spring inside controls the movement of the clutch pads towards the clutch bell through centrifugal power.
The second set of torque springs (pillow springs), externally mounted, controls the pressure by using a push pin on the clutch linings against the clutch bell. This prevents most of the slipping phase of the clutch, thus creating less friction and allowing less heat to be created. Heat is lost power! Thus your scooter will accelerate much faster due to the power transfer occurring at a lower RPM.
The clutch can be customized to all personal needs. For example, if you want to get more power at start, choose a stronger clutch spring to increase the starting RPM. If you want to shorten the slipping phase of the clutch, you should use a weaker torque (pillow) spring. For an extreme start, choose a strong clutch spring and a very weak (or no) pillow spring.
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Overall Outer Diameter: 157mm
Center Opening: 44mm (width), 40mm (height)
55 Degree Pillow Springs
Includes 3 sets of Pillow Springs and 4
sets of Clutch Springs for Fine Tuning
Reduces Clutch Slippage
Improved Clutch efficiency
Fast order processing.
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Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have common knowledge of installation or hire an experienced installer. We are not responsible for any damage that may be caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step by step instructions or technical support. In any case, we will always do our best to help you with any technical question you may have.
Electrical parts are none returnable and buyer assumes all risks.
Important Notes
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