The Yamaha Rhino is a great little side by side, and a super fun vehicle for family off-road sports. However, the basic frame as manufactured is marginal, strengthwise for the purpose that the vehicle was designed for.

When you start adding upwards of 12" extra track and wheelbase, longer suspension travel, heavier rate springs etc. along with all of the other bolt on modifications available, then you had better start looking at bracing the chassis to support these added loads.

the F1 ENGINEERING race engineered front, rear and intermediate rear suspension Shear Plates have been designed to directionally feed the loads across the chassis, acting as load dissipating bulkheads.

Suspension Shear Plate for the Rhino 450/660 and 700, come complete with all metric grade 12.9 hardware.

F1 ENGINEERING has spent many hours designing a new rack housing system that is pretty much bullet proof, yet is a simple bolt in upgrade.

Our rack housing is CNC machined from a single billet of 6061-T6 aircraft quality aluminum, high strength aluminum bronze bushings are pressed into each end to support the rack gear,where the factory unit just floats around.

The rack gear itself is machined from a round bar of 300M alloy steel, a full 7/8" diameter on the standard 9 tooth assembly and 1.0" diameter on the 10 tooth race rack. The gear is then heat treated to 200,000 psi tensile strength and then carbon nitride plasma coated to increase tooth strength and to give corrosion resistance.

Some of our competitors use a square section rack gear as they are readily available commercially, this also makes the housing easier to machine by just milling a slot into the two or three housing half sections, this of course opens the possibility of movement or failure at the joints.

We prefer to go the more difficult route and use the stronger round section rack gear and align boring the single piece housing to maintain the structural integrity of the whole unit, this also keeps the close tolerances that we require for minimum backlash in the gears.

The helical pinion gear is CNC hobbed from H11 aerospace tool steel and through hardened.