Specifications

47
YAMAHA
4 STROKE
INATKE
SYSTEM
S
ENGINE/
GASKETS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL
WATERLINE
/BILGE
STEERING
& CONTROLS
BODY
ACC
E
SSO
RIE
S
ACCESSORIES
SERVICE TOOLS
/HARDWARE
CHEMICAL
YAMAHA FX-SHO/FZ/VXR/VXS • ENGINE
R&D YAMAHA
FZ/FZR/SHO
PRO TUNE
ADJUSTABLE
CAM GEAR KIT
R&D’s Racing Cam Gear kit allows a huge boost in overall horsepower to be
gained by custom tuning the camshafts LCA (lobe separation angle) set up.
Tuning the LCA with R&D Pro Tune Cam Gears can add 200-300 RPM’s,
increased boost pressure, and 2-3 MPH to your existing engine package.
Adjusting the camshafts LCA is a very simple “BOLT IN” modification with the
R&D Pro Tune Adjustable Cam Gear Kit. Understanding the LCA concept
principle is fairly easy. A wide LCA like found in the SHO and FZR will
generally result in decreased valve overlap, later intake events, earlier
exhaust events, and high intake manifold pressures which produce great idle,
smooth accelerating with mild low and top end power. Wide LCA’s are great
for school buses and soccer mom vans. However, if strong mid range pull
and top end horsepower is what you’re looking for, then a narrower LCA will
need to be generated. The R&D Pro Tune Cam Gear Kit allows the LCA
(lobe separation) to be adjusted narrower which will generate increased valve
overlap, earlier intake events, and later exhaust events. Resulting in snappier
throttle response, increased mid range and top end power and more boost.
Why spend big money on optional camshaft kits (i.e. 1800 N.A. cams) that
have proven to offer too narrow of LCA compromising idle tune? Buy the
R&D Pro Tune Cam Gears designed specifically to improve overall power at
a fraction of the cost and provide an optimum overall tune. The R&D Cam
Gear Kit offers four possible LCA combinations that allow the cams to be
tuned depending on the type of riding or racing and type of fuel. In fact,
R&D has built a specific engine designated for degreeing, checking and
proving camshaft specifications. Depend on the Pro’s at R&D to deliver all
your horsepower needs.
• Aggressive throttle response, increased overall horsepower
• Increased rpm performance (+200-300 RPM Gain)
• Boost Pressure Increase (+1 pound) • 15-25 Horsepower Increase
• Precision CNC Billet/Ground Cam Gears (lighter than stock)
• R&D R1, R2, and R3 ECU Compatible
• Works well with R&D Cam Regrind and Valve Spring Kit upgrades
• Easy installation • Bolt on Higher Horsepower Upgrade
NOTE: R&D has determined that the O.E.M LCA is a WIDE 120 degrees
stock, with an intake cam lobe center of 122.5 degrees. Considering the
LCA timing facts, using the R&D Pro Tune Cam Gears to tune the cams will
generate huge performance power gains. R&D has found in testing that a
2.5 degree LCA change will act similar to a 1 pound boost addition. Tests
have proven that an R&D C1 or C3 compressor wheel and a 7 degree LCA
change can have the same performance advantages as a 15 pound com-
pressor wheel. Call R&D for constant power upgrade information as we are
constantly at work looking for more.
Description Part No.
R&D YAMAHA FZ/FZR/SHO Pro Tune Adjustable 612-93008
Cam Gear Kit
R&D CAM
TENSIONER GASKET
R&D's new Cam Tensioner Gasket has a metal
reinforced center that enables it to be reusable.
Description Part No.
R&D Cam Tensioner Gasket 080-21025
RIVA PRO-SERIES
4-STROKE CYLINDER
HEAD GASKETS
Our Pro-Series Cylinder Head
Gaskets were developed to withstand severe heat & pressure generated by
high-boost and high horsepower applications delivering maximum reliability to
your racing engine.
Key Benefits Include:
• Three layer stainless construction for durability & corrosion resistance.
• Viton coated & embossed surfaces for maximum sealing between head and
cylinder block.
• Unique design promotes even torque load across sealing surface & requires
no re-torque.
Description Part No.
Riva Pro-Series Head Gasket Standard RY10040-CHG-86
FX-SHO/FZR/FZS
R&D FZR HIGH
PERFORMANCE
RACING HEAD GASKET
R&D High Performance Racing Head Gaskets
were developed to replace the O.E.M.
head gasket with a higher performing Multi Layer
Steel Stack Design (MLS), utilizing state of the art
materials proven to withstand extreme heat
generated from high cylinder pressures in high boost performance packages. Each
gasket is deep dual embossed (both sides) and Viton Coated to promote a positive
seal. Use the R&D Head Gasket with confidence in standard replacement situa-
tions or Pro Race Engines. Our race proven design maintains a positive seal with
up to 24 pounds of boost. Available in STD 86, 86.5, 87, 87.5, and 88mm bore
sizes. R&D also offers a “Super Thin” Gasket that will raise the compression level
when changing piston ratio is not an option.
NOTE: R&D also offers Custom R&D/CP High Performance pistons to fit any bore
size R&D Head Gasket. Gas porting also available upon request.
NOTE: NO need to re-torque the head bolts after initial installation which is a big
plus on DOHC engines where cams would otherwise need to be removed. Head
torque specifications are included with each gasket
Description Part No.
R&D 86mm HP Head Gasket .027” 3 Layer 080-01800
R&D 86.5 HP Head Gasket .027” 3 Layer 080-01801
R&D 87 HP Head Gasket .027” 3 Layer 080-01802
R&D 87.5 HP Head Gasket .027” 3 Layer 080-01803
R&D 88 HP Head Gasket .027” 3 Layer 080-01804
R&D HP Head Gasket 0.18” 2 Layer 080-01810
(Specify Bore Sz.)