CMS-Japanese Motorcycle Supply Parts


EBC CSK12 clutch spring kit length and thickness when new compared to stock


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We measured a brand new set of EBC CSK12 clutch springs for length and thickness to compare to the stock clutch springs before they went into our CX650E:

Here are some photos of the EBC CSK12 CSK012 clutch spring kit, as bought for a Honda CX650E or GL650 motorcycle. These shots show the brand new length of the springs and how that compares to the stock springs.

Stock length - 39.50mm:

Here are some photos of the EBC CSK12 CSK012 clutch spring kit, as bought for a Honda CX650E or GL650 motorcycle. These shots show the brand new length of the springs and how that compares to the stock springs.

Stock thickness: 3.28 (probably not super accurate with the calipers...):

Here are some photos of the EBC CSK12 CSK012 clutch spring kit, as bought for a Honda CX650E or GL650 motorcycle. These shots show the brand new length of the springs and how that compares to the stock springs.

So how long are the stock CX650E springs? Well, we don't know how long these ones were when they were new nor how old they are now but the current length is 37.8mm:

Here are some photos of the EBC CSK12 CSK012 clutch spring kit, as bought for a Honda CX650E or GL650 motorcycle. These shots show the brand new length of the springs and how that compares to the stock springs.

Stock thickness - well this at least shouldn't change - 2.89mm:

Here are some photos of the EBC CSK12 CSK012 clutch spring kit, as bought for a Honda CX650E or GL650 motorcycle. These shots show the brand new length of the springs and how that compares to the stock springs.

Need a CSK12 kit? Grab one online: eBay US, eBay CA, eBay UK, eBay AU, Amazon



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