FUEL
SYSTEMS
ENGINE/
GASKETS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL WATERLINE
/
BILGE
STEERING
&
CONTROLS
BODY
ACCESSORIES SERVICE TOOLS
/
HARDWARE
CHEMICAL FREESTYLE
RACING
FOUR
STROKE
61
HIGH PERFORMANCE POWER VALVE
FOR SEA DOO
Wider valve improves Low End response
*
Required cylinder modification. 2Pcs/set
Part No.
52-3300
52-3302
Sea Doo
A. SD951 Power Valve
B. SD785 Power Valve
BILLET POWER VALVE CAP FOR SEA DOO
Replace OEM plastic exhaust piston (#290253257) for performance reliability.
Part No.
52-3305
Sea Doo
Billet Aluminum Power Valve Cap
REPLACEMENT EXHAUST VALVE PARTS
FOR SEA DOO
Part No.
010-495-15
010-495-10
010-495-05
Sea Doo
OEM No.
C. Exhaust Valve Piston
D. Exhaust Valve Piston
420-854-449
E. Exhaust Valve Bellow 290-260-723
RIVA YAMAHA GAS OPERATED POWER-VALVES
Designed to replace electric YVPS System on Yamaha 800/1200 Power-Valve motors.
This race-bred valve assembly is simple, lightweight and reliable. Reaction time is
faster than electric system, providing increased acceleration and throttle response.
Requires SD parts kit (sold separately).
*
Note: Not compatible with stock exhaust systems.
Part No.
RY10017
RY10015-SD-KIT
Yamaha
GPR 1200/800 Power-Valve Adapter (each)
SD Type Exhaust Power-Valve Parts Kit (each)
R&D BILLET EXHAUST VALVES FOR GPR
The new R&D Billet Exhaust Valves reduce the clearance between the valve and
piston. this reduced clearance improves the seal which boosts the valve down
compressions ratio delivering greater bottom and mid-range power. Directly replace
OEM YPVS valve units.
Part No.
332-12002
332-12003
332-13000
Yamaha
GP800/GP1200R Exhaust Valve Kit (each)
Exhaust Valve Arm Only
GP1300R Exhaust Valve Kit (each)
B
.
A
.
C
.
D
.
E
.
332-12003
332-12002