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Pros and cons
- Increases airflow
- Increases power
- Including installation manual
- Positively tested by the Ten Kate Tuning department
- Official GYTR Pro-Shop and Yamaha WorldSBK supported team
Product description
MWR racing bellmouth kit YZF-R1 15/19
Completely new velocity stacks for the 2015-19 Yamaha YZF-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.
Also positively used by the Ten Kate Racing Yamaha WorldSBK team in 2019 and 2020
Installation is the same as OEM stacks, no modifications needed.
The YZF-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.