Parts/Kit Overview

The R&D Yamaha Superjet Stage 4 Pro Limited Kit has been exhaustingly and extensively developed, tested and perfected over the past 6 years! Many or all of the parts listed in this kit have been used over the past 6 years to win every pro limited national and world championship! When building the ultimate pro limited racing machine you can build and race with confidence knowing that better performance parts for the Yamaha Superjet simply do not exist!

• R&D offers a choice of either 30 or 32 cc cylinder head chambers for precise tuning.

• The R&D E.C.U. is pre-programmed with four race proven, easy to adjust ignition curves!

• The R&D/NOVI 48 mm Carburetor and M-16 Reed Valve Kit is the top performing intake system available for any level of modifications performed to the Yamaha 701 engine.

• The R&D Water Jacketed Exhaust System will deliver better throttle response and acceleration than any other brand, and has enough top end horsepower to win any race anywhere!

• The R&D 701/760 M-16 Reed Valve Kit comes complete with dual 46/48 Mikuni Intake Manifold, R&D Carburetor Mounting Plate Kit, reed valve adaptor / spacer, and all necessary assembly hardware. For those who have or decide to use Moto Tassinari Reed Valves, R&D offers the M-16 style manifold machined to match the Tassinari Reed, which includes the R&D carburetor mounting plate! Order the reed valve spacer separately.

NOTE: The NOVI Carburetor Kit will require an auxiliary fuel, and 2 fuel pickups recommended!

NOTE: R&D suggests the use of high grade racing fuel such as VP or Union 76. Check with the I.J.S.B.A. to verify the legality of racing fuels available!