R6 captive spacers11 August 2020
R1 Original Large Radiator28 October 2020
MWR Air funnel set
Yamaha R1 2015-2019
Also available for R1 2020
Completely new velocity stacks for the new 2015-2019 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….
The installation instructions are also included, which is also included with each set.
Installation is the same as OEM stacks , no modifications needed.
The R1 velocity stacks set contains only the stacks + installationbolts .
The mechanism , the bushings (4x push-in) and plain bearings (5x click-on) must be transferred from the original set.
Use the supplied bolts