The photo may not fully reflect the shape and model of the product. It is advisable to always ask for confirmation of availability and delivery times. The kit of 4 injection molded plastic intake stacks mount directly into the stock airbox without modification and is designed to smooth out the power curve, increase horsepower throughout and improve fuel efficiency. Caution: clean and re-oil at least once a year with MWR air filter oil & cleaner. Installation instructions are included in each set The Graves Motorsports YZF-R1 and FZ-1 Velocity Stack Kit is specially designed to suit the new fuel injected Yamaha Motor. Description: MWR Velocity Stacks for the Yamaha YZF R1 / R1S / R1M (2015-2019) MWR-VS-950 Not a copy of the standard air filter, always searching for solutions, either it’s the performance, protection or fitment. The first tests have already been carried out by the WSBK and BSB teams demonstrating that the MWR horns provide the same power as the official velocity stacks. MWR Velocity Stacks build together with the original mechanics The mechanism, the bushings (4x push-in) and plain bearings (5x click-on) must be transferred from the original set. The R1 velocity stacks set contains the upper and lower stacks + installationbolts Also with the same extreme low lower stacks for high top-end power NOTE: Uppers cannot be used with the stock lower velocity stacks.High performance MWR velocity stacks per YAMAHA YZF 1000 R1 /M 2015-2019Īfter the great success of the Performance Velocity Stacks for the new R1 we developed new stacks for the 2015/2019 R1, with the same construction and shape as the new one. Yamaha themselves went so far as to adopt variable length stacks in the latest R1. You can purchase the complete kit by ordering this item along with Part # ABY-09R1-REVB (sold seperately) or just this lower piece only for use with the stock uppers. If you add velocity stacks into a very well engineered intake system (which a 200hp per liter normally aspirated engine certainly has), then youre compromising the powerband for high or low, depending on length/diameter of the stacks. Available now for your 2009-2014 Yamaha R1. For bikes that come from the factory with variable stacks (R1 / R6 etc) Ray has designed and printed velocity stacks in durable materials resistant to fuel and other contaminants. These stacks developed on the Graves Yamaha Superbike give our riders the drivability needed to win races. Stringer Race Station uses high-end 3D printers and materials to ensure a premium product at a competitive price. Velocity Stacks 813 Views 8 Replies 7 Participants Last post by lemuiexm, Jun 10, 2004. The shorter than stock lower stacks feed the R1’s appetite for big air when the upper stacks raise improving top end power. The staggered tops allow the cylinders to share the available volume of air in the R1’s air-box evenly at low and mid range RPMs. This stack kit improves power throughout the entire RPM range. This item is the "Lower" stack assembly only (see item # ABY-09R1-REVT to purchase the top add-on). Two of the four intake funnels use a new stacked dual-stage design, with a longer funnel positioned above a short funnel, and a gap between the two parts. These 50MM Lower Velocity Stacks with Pivots were developed by Graves Motorsports for your Cross Plane Crank R1. Recommended Stack Exhaust Velocity High stack exhaust velocity and temperatures increase plume rise, which tends to reduce intake contamination. Inside the airbox, a new Suzuki Dual-Stage Intake (S-DSI) system claims to deliver the advantages of variable-length intake funnels without the extra weight, complexity and cost. Graves Motorsports Yamaha R1 Lower 50mm Velocity Stacks for the 2009-2014 models.
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