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Completely new velocity stacks for the 2015-19 R1, set includes lower stacks / upper stacks & bolts. The first tests have already been done by WSBK & BSB teams showing that the MWR stacks deliver the same power as the official YEC stacks just much less cost! The installation instructions are also included with each set.
Installation is the same as OEM stacks, no modifications needed.
The R1 velocity stacks set contains only the stacks + installation bolts . The mechanism , the bushings (4x push-in) and plain bearings (5x click-on) must be transferred from the original set. Use the supplied bolts
- 2015-2019 Yamaha YZF-R1