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Tool list:

  • BMP Primary Clutch Puller
  • Socket Set
  • Wrench Set
  • BMP Bench Clutch Compression Tool Part # BMP-BCCT
  • Small Pry Bar or Large Flathead Screwdriver
  • Snap Ring Pliers (non-assembled secondary clutches)
  • #25 Torx Wrench (non-assembled secondary clutches)
  • 1/8” Allen Wrench

 

IMPORTANT - Read the entire instructions before proceeding. If any of it does not make sense or is not in your skillset, please have an experienced technician perform the install.

 

  1. Remove the clutch cover by removing all the 8mm head bolts.

  2. Removing the shock is not necessary but makes this job much easier.

  3. Now Remove the primary clutch bolt with a T-60 (New for Pro XP).

  4. Now remove the six 3/8” head bolts holding the primary clutch cover in place. This has only a small amount of spring tension and can be removed easily by hand this allows access to the new 2-piece center shaft. Twist and pop out.

  5. If you have a primary clutch puller: grease the puller end and thread it into the clutch bolt hole and tighten using an impact driver (or breaker bar with a pry bar through the clutch to hold it) until the clutch is removed. If you do not have a primary clutch puller: pull the belt off the machine.

  6. Slide the sheave all the way down which will allow the weights to swing free.

  7. Using a 1/8” Allen wrench and a 3/8” long socket, remove the pins holding the factory primary weights in place.

  8. Replace those with the properly set up Hyper Adjust Double Barrel weights.
  9. Install the new 2-piece center shaft and BMP primary spring. Then bolt the clutch cover back to the clutch making sure the clutch cover X and the X on the clutch align. (If you bought a stage 2, skip to Part 2 at this time)
  10. Reconnect the coolant hose in the rear of the head and the smaller hose on the right side of the head near the oil tank. Screw-in and tighten the coolant temp sensor as well as the knock sensor and torque that to 168in-lbs. Tighten new BPR9ES spark plugs into the head domes 18-22ft-lbs.
  11. With the belt on the secondary, slide the primary clutch on the belt and then slide the clutch on the crankshaft.
  12. Now re-install your primary clutch cover and check peak RPM according to the below chart.

*** ALWAYS RUN A CLUTCH COVER ***

These clutches were not designed to be exposed to the elements so be sure to always run your clutch cover.

Parts failure may occur from not running your cover!

Disclaimer

As defined by the Magnuson-Moss Warranty Act. Do not install any performance parts or services unless you have the technical ability to properly set up the entire machine to compensate for the installation of those parts. References in most of our literature to “bolt-on-parts” only indicate the parts are removable from the machine. It is not meant to imply that the parts can be installed without additional modifications. The necessary work and expertise needed to install different product varies. Instructions, where provided, are given to assist in installation only; they are not a substitute for mechanical experience in setting up racing vehicles. References to performance gains, reliability, ease of installation, etc. are bases on our and outside customer’s experiences. This is not a guarantee of similar performance in every installation. While we sell proven products, in the end, it’s up to the individual to make the most of the product. Bikeman Performance Plus is not responsible for any personal or property damages caused by this product.

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