GSX-R1000 Road Race Engine Packages
Modern four-stroke engines are remarkable things. These technological marvels are the ultimate in performance and reliability for average riders as well as racers. Large doses of torque and linear power delivery make four-strokes the number one choice for road racing. In recent years the weight and reliability of these engines have made great strides and today, four strokes are the obvious choice.
Developing four-stroke power, however, is a study in incrementalism. All the reciprocating parts create friction and heat that detract from performance. As a result of this dynamic, building up the power is best approached in stages.
These engines are, in essence, many parts that together create a whole. If all the parts work in unison and in concert, large increases in reliable power occur. If only a few pieces of the whole are installed, you may create more problems than you will solve. All the pieces have to work together, or you will concentrate stress loads and other negatives into specific areas, possibly ending with a catastrophic engine failure.
At Yoshimura, we have been building four-stroke racing engines for over 60 years. We understand that your engine is the sum of many parts. We do not simply throw a big cam in, pop up the compression, and create a time bomb. Depending on which stage of engine modification you choose, we build power at self-sustaining, balanced levels. There is no guessing here.
STAGE 1 PACKAGE
INCLUDED LABOR
- Disassemble, Inspect, and Re-assemble Motor
- Valve Job
- Mill Cylinder Head to optimize compression ratio
INCLUDED COMPONENTS
- Cylinder Head Gasket
- OEM Valve Springs
- Valve Seat Shims
- New Bearings, Gaskets, Circlips
ADDITIONAL OPTIONS
- Port and Polish Cylinder Head with Valve Job
- Precision Machined Valve Cotters
STAGE 2 PACKAGE
INCLUDED LABOR
- Disassemble, Inspect, and Re-assemble Motor
- CNC porting / valve job
- Mill Cylinder Head to optimize compression ratio
INCLUDED COMPONENTS
- Yoshimura camshaft set
- Forged high-compression pistons
- Performance Cylinder Head Gasket
- Yoshimura performance valve springs
- Valve Seat Shims
- New Bearings, Gaskets, Circlips
- Works Edition Engine Plug Kit
ADDITIONAL OPTIONS
- Precision Machined Top Retainers
- Precision Machined Valve Cotters
- Install High Performance Valve Seats
- Lighten / Polish and Balance Crankshaft
STAGE 3 PACKAGE
INCLUDED LABOR
- Disassemble, Inspect, and Re-assemble Motor
- CNC Porting / Valve Job
- Install High Performance Valve Seats
- Mill Cylinder Head to optimize compression ratio
- Lighten / Polish and Balance Crankshaft
INCLUDED COMPONENTS
- Yoshimura camshaft set
- Forged High-Compression Pistons
- Performance Cylinder Head Gasket
- Yoshimura Performance Valve Springs
- Valve Seat Shims
- Ceramic Hybrid Transmission Bearings
- New Bearings, Gaskets, Circlips
- Works Edition Engine Plug Kit
ADDITIONAL OPTIONS
- Titanium Connecting Rods
- Oversize Titanium Intake Valves
- Oversize Titanium Exhaust Valves
- Precision Machined Top Retainers
- Precision Machined Valve Cotters
We recommend the use of VP Racing Fuels, and MOTUL chemicals and lubricants for all of our engine builds
FOR MORE INFORMATION CONTACT:
Rhett Lougheed
Engine Building Services
5420 Daniels St Chino, CA 91710
Phone: (909) 364-0186 ext: 301
E-mail: rlougheed@yoshimura-rd.com
Don Franzen
Technical Sales Representative
5420 Daniels St, Chino, CA 91710
Phone: (909) 628-4722 ext: 422
E-mail: dfranzen@yoshimura-rd.com