fits model: Sx, 700. make: Yamaha. year: 2002–2004.

( Manufacturer Part Number: 8EK-11400-00-00 ), ( Part Type: Crankshaft )
The Yamaha SX Viper 700 ATV (All-Terrain Vehicle), model years 2002 to 2004, is equipped with a robust and powerful crankshaft designed to deliver an exceptional off-road riding experience. The 8EC-11400-00-00 crankshaft is a vital component of the ATV's engine system, located at the heart of the powertrain, responsible for transmitting power from the engine cylinders to the transmission.
This heavy-duty crankshaft consists of a precisely machined forged steel construction. The forged material ensures high strength and durability, capable of withstanding the rigorous demands of off-road terrains. The crankshaft features a five-bearing design for enhanced stability and better power transfer from the engine to the transmission. Each bearing is skillfully engineered to minimize friction, providing smoother operation and improved efficiency.
A key highlight of the Yamaha SX Viper 700 crankshaft is its optimized design for increased power output. Its unique configuration provides ideal balance between engine performance and durability, ensuring reliable operation even under heavy use. Each crankshaft is meticulously manufactured and tested to ensure it meets the highest quality standards and perform flawlessly under various riding conditions.
The precision-machined crankshaft journals and counterweights work in harmony to balance power forces within the engine. The result is a well-balanced, responsive ATV that delivers exceptional acceleration, ample torque, and smooth power delivery, allowing riders to tackle the most challenging terrain with confidence and ease.
Moreover, the SX Viper 700 crankshaft boasts a compact and robust design. Its efficient dimensions allow for easier installation and maintenance, making it an ideal choice for both professional mechanics and do-it-yourself enthusiasts. Additionally, the crankshaft's accessible location within the engine makes it easily accessible for routine inspections and servicing, ensuring the longevity and continued performance of the vehicle.
In summary, the Yamaha SX Viper 700 crankshaft (part number 8EC-11400-00-00) is a powerful and robust component, designed to deliver impressive power and reliable operation within the Yamaha SX Viper 700 ATV. With its high-strength forged steel construction, optimized design for balanced power delivery, compact dimensions, and easy accessibility, this crankshaft stands out as a key contributor to the ATV's overall performance and longevity.
1. **Reliability:** The Yamaha SX Viper 700 is known for its robust and reliable engine. This crate engine, including the 8ek-11400-00-00 crankshaft, is designed for durability and long-lasting service.
2. **Power:** The SX Viper 700 engine delivers a impressive power output, which can make for an exhilarating driving experience. This makes it a popular choice for those seeking high-performance parts.
3. **Versatility:** The Yamaha SX Viper 700 engine is compatible with various applications such as go-karts, mini-sprint cars, and other racing machines. This versatility makes it a popular choice for racers.
4. **Manufacturer's reputation:** Yamaha is a reputable manufacturer with a long history of producing high-quality engines. Buying from a trusted brand like Yamaha can provide peace of mind and assurance about the product's quality.
5. **Availability of spare parts:** Since the Yamaha SX Viper 700 engine is a popular choice among racers, there is a good availability of spare parts, making it easier to maintain the engine and keep it running optimally.
6. **Affordability:** Despite its power and reliability, the Yamaha SX Viper 700 engine, including the 8ek-11400-00-00 crankshaft, is comparatively affordable when placed against engines offering similar power and performance from other manufacturers.
7. **Weight:** While the SX Viper 700 engine provides high power output, it can be relatively heavy compared to other engines, which may impact the handling dynamics of the vehicle it powers.
8. **Fuel consumption:** The Yamaha SX Viper 700 engine, as with all high-performance engines, tends to consume more fuel compared to smaller, more economical engines.
In conclusion, the Yamaha SX Viper 700 (8ek-11400-00-00 crankshaft, 2002-2004) presents a compelling choice for those seeking a high-performance, reliable, and versatile engine for various racing applications. Its strong reputation and availability of spare parts, combined with its power and affordability, make it an attractive option. However, potential buyers should consider its weight and fuel consumption before making their final decision.
Recommendation: Based on the pros and cons outlined above, the Yamaha SX Viper 700 8ek-11400-00-00 crankshaft (2002-2004) is recommended for those who prioritize power, reliability, and durability in their racing applications, and are willing to accept the weight and fuel consumption trade-offs that come with it.
Have it replaced or use the crank for donor parts to fix others. Many of the crank parts are discontinued now. All crank bearings are smooth with exception of the bearing paint mark. All rods are straight with smooth bearings.
The marked bearing is gritty and not smooth. This is a clean crankshaft from an 03 SX Viper.