This refers to a specific model of motocross motorcycle produced by Husqvarna. The “TC 85” indicates the model designation, signifying a two-stroke, competition-oriented machine with an 85cc engine displacement. The “17/14” specifies the wheel size configuration, with a 17-inch front wheel and a 14-inch rear wheel. This particular wheel size is commonly found on smaller motocross bikes designed for youth riders transitioning from smaller machines.
Such motorcycles offer a crucial stepping stone for young racers progressing in the sport. The reduced size and weight, combined with the responsive two-stroke engine, provides a manageable platform for developing essential riding skills. Its introduction filled a specific need within the youth motocross market, offering a performance-oriented machine with appropriate dimensions for the target demographic.
Understanding the specifications and intended use provides a foundation for evaluating its performance characteristics, maintenance requirements, and suitability for potential riders. Subsequent sections will delve into these aspects in more detail, focusing on engine performance, chassis design, suspension setup, and considerations for optimal rider fit and skill level.
1. Youth motocross performance
The motorcycles design is fundamentally linked to optimizing performance within the youth motocross arena. The machine’s power-to-weight ratio, achieved through its two-stroke engine, directly impacts acceleration and maneuverability. This translates into improved lap times and enhanced rider confidence on the track. The specific wheel size configuration (17/14) plays a crucial role in delivering appropriate handling characteristics for younger riders. Larger wheels can increase stability at higher speeds, while smaller wheels enhance agility in tighter sections. The combination allows developing racers to push their limits.
Consider the impact of incorrect sizing: A machine too large or powerful can overwhelm a young rider, hindering skill development and potentially leading to accidents. Conversely, a bike with insufficient power will limit the rider’s ability to compete effectively. Its specific design aims to mitigate these issues by providing a balanced platform that facilitates both learning and competitive performance. The motocross bike provides a crucial and effective learning tool.
In essence, the motocross bike’s specifications are not arbitrary. They are carefully chosen to align with the demands of youth motocross, providing a machine that empowers young riders to learn, compete, and develop their skills effectively. Understanding this relationship is essential for parents, coaches, and aspiring racers alike, enabling informed decisions regarding equipment selection and training strategies. The bike acts as a carefully constructed platform for youthful motocross aspirations.
2. Two-stroke engine dynamics
The two-stroke engine is a defining characteristic of the “Husqvarna tc 85 17/14,” dictating its power delivery, maintenance requirements, and overall riding experience. Its inherent design principles directly influence the motorcycle’s performance profile within the youth motocross category.
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Power-to-Weight Ratio
Two-stroke engines are known for producing significant power relative to their size and weight. This is achieved through a combustion cycle that occurs every revolution of the crankshaft, as opposed to every other revolution in a four-stroke engine. In the context of the “Husqvarna tc 85 17/14,” this translates to brisk acceleration and responsive throttle control, crucial for navigating the tight confines of a motocross track. However, it also necessitates careful throttle management to avoid overwhelming less experienced riders.
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Maintenance Demands
Two-stroke engines generally require more frequent maintenance compared to their four-stroke counterparts. This includes regular piston and cylinder replacements, as well as diligent attention to oil mixing ratios. For the “Husqvarna tc 85 17/14,” adhering to the manufacturer’s recommended maintenance schedule is essential for preserving engine performance and preventing costly repairs. Neglecting these requirements can lead to premature engine failure and reduced power output.
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Powerband Characteristics
Two-stroke engines typically exhibit a narrower powerband compared to four-stroke engines. This means that the engine produces peak power within a relatively limited range of engine speeds. Successfully riding a “Husqvarna tc 85 17/14” requires riders to maintain the engine within this optimal powerband, often necessitating frequent gear changes and precise throttle control. Mastering this technique is a key skill for aspiring motocross racers.
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Exhaust System Tuning
The exhaust system plays a critical role in the performance of a two-stroke engine. Its design influences the scavenging process, which removes exhaust gases and introduces fresh air/fuel mixture into the cylinder. Altering the exhaust system of the “Husqvarna tc 85 17/14” can significantly impact its power delivery characteristics, potentially increasing top-end power or improving low-end torque. However, modifications should be undertaken with caution, as improper tuning can negatively affect engine performance and reliability.
These aspects of two-stroke engine dynamics are intrinsically linked to the overall performance and usability of the “Husqvarna tc 85 17/14.” Understanding these principles enables riders, mechanics, and parents to make informed decisions regarding maintenance, tuning, and riding techniques, ultimately maximizing the motorcycle’s potential and ensuring a positive riding experience. The engine’s characteristics define its competitive advantage within the youth motocross field.
3. Optimized wheel dimensions
Wheel dimensions, specifically the 17-inch front and 14-inch rear configuration, are integral to the design and functionality of the “Husqvarna tc 85 17/14.” These measurements are not arbitrary, but rather the result of careful consideration aimed at achieving a balance between maneuverability, stability, and rider ergonomics within the context of youth motocross.
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Maneuverability and Agility
The smaller wheel diameters contribute to enhanced maneuverability, particularly advantageous on tight, technical motocross tracks. Smaller wheels reduce the gyroscopic effect, allowing for quicker turning and easier handling. This is crucial for young riders developing their cornering skills and navigating challenging terrain. A larger wheel can make the motorcycle feel cumbersome and difficult to control, especially for smaller riders.
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Ergonomics and Rider Fit
The 17/14 wheel combination allows for a lower seat height compared to configurations with larger wheels. This is essential for accommodating the shorter inseams of young riders, enabling them to comfortably reach the ground and maintain control of the motorcycle. Proper ergonomics are vital for rider confidence and safety, reducing the risk of crashes and promoting correct riding posture. A motorcycle that is too tall can be intimidating and difficult to manage, particularly during starts and stops.
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Stability and Control
While smaller wheels enhance agility, the specific sizes chosen also aim to provide adequate stability. The 17-inch front wheel offers a balance between maneuverability and straight-line stability, preventing the motorcycle from feeling too twitchy or unstable at higher speeds. This is particularly important on tracks with faster sections and rough terrain. A smaller front wheel might make the motorcycle feel too responsive, while a larger front wheel could sacrifice maneuverability.
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Ground Clearance and Obstacle Negotiation
The wheel dimensions contribute to the motorcycle’s overall ground clearance, which is crucial for clearing obstacles on the track, such as jumps and ruts. The 14-inch rear wheel provides sufficient clearance to prevent the rear of the motorcycle from dragging on the ground, while the 17-inch front wheel helps to navigate uneven terrain effectively. Inadequate ground clearance can lead to crashes and damage to the motorcycle’s undercarriage.
The selection of 17/14 wheel dimensions for the “Husqvarna tc 85 17/14” represents a carefully considered compromise, designed to optimize the motorcycle’s performance and usability for its intended riders. This configuration directly impacts maneuverability, ergonomics, stability, and ground clearance, all of which are crucial for success in youth motocross. Altering these dimensions would likely compromise one or more of these factors, potentially detracting from the motorcycle’s overall effectiveness. Understanding the interconnectedness of these aspects reveals design strategy.
Conclusion
The “Husqvarna tc 85 17/14” represents a specific configuration within the youth motocross landscape, defined by its engine displacement, two-stroke power delivery, and wheel size combination. Its design prioritizes a balance between maneuverability and stability, catering specifically to developing riders. The characteristics discussed engine dynamics, wheel dimensions, and intended use are not isolated elements, but rather interconnected facets that contribute to its overall performance profile.
Understanding these core design principles is crucial for making informed decisions regarding equipment selection, maintenance practices, and rider training. Whether considering purchase, modification, or competitive application, a comprehensive grasp of the “Husqvarna tc 85 17/14” allows for maximized potential and ensures appropriate application within the competitive motocross arena. Continued adherence to recommended maintenance schedules and judicious tuning will ensure longevity and optimal performance.
