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RIVA Racing Throttle Body Improves Yamaha’s Response

The 65mm Throttle Bore offers a massive 82 percent increase in aperture cross sectional area over the original OEM unit.

Yamaha SVHO 65mm Throttle Body

RIVA Racing’s new 65mm Yamaha SVHO Throttle Body delivers significant power with all levels of engine modification. The 65mm throttle bore offers a massive 82% increase in aperture cross sectional area over the original OEM unit.