fits make: Yamaha.

( Brand: Starting Line Products ), ( Manufacturer Part Number: 9-827 ), ( Part Type: Piston )
The Yamaha YZF-R9 09-827 is a high-performance sports bike that delivers an unmatched riding experience. At its heart is a liquid-cooled, inline four-cylinder, 847cc engine. This powerful engine produces a maximal output of 119.5 horsepower at 12,500 RPM and 66.4 lb-ft of torque at 10,500 RPM, providing an exhilarating and responsive power delivery. It comes with a 6-speed transmission, which can be smoothly shifted with the assistance of the slipper clutch system for easier and more controlled downshifting.
The 09-827 model features an ABS braking system with obligatory racing-derived features, such as an adjustable windscreen and a quick-shifter system that allows for lightning-fast upshifts without the use of the clutch. The electronic fuel injection system ensures optimal fuel delivery for smooth running, while the three-way catalytic converter lowers exhaust emissions, making it street legal.
Suspension duties are handled by an adjustable 41mm inverted KYB fork with a travel of 120mm, and a KYB monocross shock absorber with an adjustable spring preload, providing 130mm of travel. The 17-inch front and 17-inch rear lightweight, cast alloy wheels are shod with high-performance Bridgestone Battlax Racing Street RS10 tires, giving excellent grip and handling.
The 09-827 comes with an aggressive, aerodynamic design, with an electronically controlled, multi-position windscreen that can be adjusted for optimum comfort. The bike's compact and slim design, coupled with a low seat height of 32.3 inches, make it easy to handle, whether navigating city streets or carrying out aggressive maneuvers on the race track.
Additional features like digital speedometer and tachometer, adjustable clutch and brake levers, and a pass light switch provide convenience and versatility, making the Yamaha YZF-R9 09-827 a standout choice for both amateur and experienced racers looking to experience the thrill of high-performance sports biking.
Buying a Yamaha YZF-R9 09-827 with unlimited piston can be an intriguing decision for motorcycle enthusiasts looking for high-performance and power. Here are some pros and cons to help you make an informed decision:
Pros:1. Power and Performance: The upgraded piston can lead to an increase in power and torque, making the bike more responsive and faster.
2. Customizability: The aftermarket piston adds a level of customization to the motorcycle, allowing enthusiasts to tailor the engine to their specific riding preferences.
3. Improved Throttle Response: The upgraded piston can lead to improved throttle response, resulting in smoother power delivery and a more enjoyable riding experience.
4. Enhanced Durability: The aftermarket piston can be made from materials that offer increased durability and longevity, reducing the need for frequent engine rebuilds or replacements.
Cons:1. Cost: Installing an aftermarket piston and associated components can be expensive, especially for those who are not mechanically inclined and require professional installation.
2. Complexity: The installation of an aftermarket piston requires a certain level of mechanical expertise, and incorrect installation can result in significant engine damage.
3. Potential Voiding of Warranty: Installing aftermarket parts, including an upgraded piston, may void the original manufacturer's warranty.
4. Increased Risk: Any modifications to a motorcycle can involve an increased risk of accidents or breakdowns, and the upgraded components may not be covered under insurance policies.
Conclusion:The decision to buy a Yamaha YZF-R9 09-827 with an unlimited piston depends on individual circumstances and priorities. For riders who value power, performance, and customizability, the benefits of the upgraded piston may outweigh the costs and risks. However, for those who prioritize affordability, simplicity, and warranty coverage, it may be best to stick with the original factory components. Ultimately, the decision should be based on careful consideration of the bike's intended use, budget, mechanical aptitude, and priorities.
Recommendation:If you are considering an aftermarket piston for the Yamaha YZF-R9 09-827, it is recommended that you consult with a reputable motorcycle mechanic or performance shop for their professional opinion and assistance with the installation. It is also advisable to weigh the potential benefits and risks against your personal circumstances and priorities before making a final decision. If you are unsure about the upgrade, it may be worth exploring other options, such as mild tuning or modifying other components to achieve similar performance gains without the associated costs and risks.
PARTS UNLIMITED 09-827 Piston Assembly - Yamaha Standard: Standard High-performance, cast pistons closely match original equipment Engineered for the best possible heat transfer from combustion chamber to cylinder walls Rings are replacement one piston All priced with ring, wrist pins and cir clips. Useful Links.