fits model: 450, 550, 660, Bear, Grizzly, Kodiak. make: Yamaha.

( Brand: Pro Armor ), ( Manufacturer Part Number: A040021-1 ), ( Part Type: Kill Switch )
The **Pro Armor A040021-1 Kill Switch Tether Cord** is a meticulously engineered, high-performance accessory designed exclusively for Yamaha s legendary Big Bear, Grizzly, and Kodiak outboard engines in the 450, 550, and 660 horsepower classes. Crafted from durable, marine-grade materials, this tether cord serves as a critical safety and convenience feature, ensuring seamless operation while mitigating the risk of accidental engine activation. The cord features a robust, abrasion-resistant outer sheath, constructed from a blend of reinforced nylon and UV-stabilized polymers, which resists wear, fraying, and environmental degradation even under prolonged exposure to saltwater, sunlight, and harsh marine conditions. At its core, the cord houses a flexible yet sturdy internal wire, shielded by a protective braided sleeve to prevent chafing against engine components, fuel lines, or boat surfaces, thereby extending the lifespan of both the cord and the engine s electrical system.
What truly sets this tether cord apart is its **integrated kill switch mechanism**, a fail-safe feature that instantly cuts power to the engine if the cord is severed or pulled away from the ignition switch. This design prioritizes both safety and peace of mind, particularly for anglers, skiers, or boaters who rely on their Yamaha s raw power for high-performance activities. The cord is engineered to maintain a taut, consistent tension, reducing the risk of accidental disengagement while allowing for easy detachment when needed. Its length is precisely calibrated to accommodate the ergonomic reach of the operator, ensuring the kill switch remains within easy access without becoming a cumbersome obstruction. The connection point to the engine s ignition switch is secured with a secure, corrosion-resistant clamp, preventing loosening or detachment due to vibration or movement, while the tether s free end is equipped with a quick-release mechanism for hassle-free installation and removal.
Beyond its functional superiority, the **Pro Armor A040021-1 Kill Switch Tether Cord** is also a testament to thoughtful design, blending utility with practicality. The cord s sleek, low-profile design minimizes clutter on the boat s deck, while its color-coded or labeled end (depending on the model) ensures quick identification and easy differentiation from other onboard cords. Whether you re navigating choppy waters, towing a wakeboarder, or simply cruising along the coast, this tether cord provides an added layer of protection, ensuring that your Yamaha s power remains under your control no matter the conditions. Built to withstand the demands of heavy-duty marine use, this accessory is not just an upgrade; it s a necessity for anyone who demands reliability, safety, and performance from their outboard engine.
**Pros and Cons of buying a Pro Armor A040021-1 Kill Switch Tether Cord for Yamaha Big Bear/Grizzly/Kodiak 450/550/660**
### **Pros**
1. **Enhanced Safety** The kill switch tether ensures the engine stops immediately if you fall off or lose control, reducing the risk of accidents. This is particularly valuable for off-road riding where falls are more common.
2. **Convenience and Accessibility** The tether cord allows you to quickly shut off the engine without reaching for the kill switch, which can be especially useful in tight or rough terrain where maneuvering is difficult.
3. **Durability** Pro Armor products are generally built to withstand harsh conditions, making this tether cord a reliable long-term solution for frequent riders.
4. **Compatibility** The A040021-1 model is specifically designed for Yamaha Big Bear, Grizzly, and Kodiak models (450, 550, 660), ensuring a proper fit without modification.
5. **Easy Installation** Most Pro Armor tether cords are designed for straightforward installation, requiring minimal tools and time. The kit typically includes clear instructions and mounting hardware.
6. **Reduced Fatigue** By eliminating the need to constantly reach for the kill switch, the tether cord can make longer rides more comfortable, especially in hot or physically demanding conditions.
7. **Peace of Mind** Knowing that the engine will shut off instantly in case of a fall can significantly reduce anxiety, particularly for riders who are less experienced or who frequently ride in challenging terrain.
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### **Cons**
1. **Cost** Tether cords are an additional expense beyond the base price of the ATV. While they improve safety, they may not be a priority for riders who already have a reliable kill switch system or prefer not to add extra components.
2. **Potential for Tangling or Snagging** The tether cord can become tangled with other gear, branches, or the ATV itself, especially in dense brush or rocky terrain. This could lead to frustration or even accidental disengagement if not managed properly.
3. **Maintenance Requirements** Like any moving part, the tether cord may require periodic inspection for wear, fraying, or damage. Riders must ensure it remains in good condition to avoid failure during critical moments.
4. **Limited Use in Certain Conditions** In very cold or wet environments, the tether cord could become stiff or slippery, potentially reducing its effectiveness. Some riders may need to take extra precautions in such conditions.
5. **Learning Curve** New riders or those unfamiliar with tether cords may initially struggle with proper usage, such as how to quickly disengage the tether in an emergency or how to avoid tangling it during movement.
6. **Aesthetic Consideration** Some riders may find the tether cord visually unappealing or bulky, particularly if they prefer a cleaner, minimalist look on their ATV.
7. **Compatibility with Other Accessories** Depending on how the tether cord is mounted, it may interfere with other accessories (e.g., storage boxes, lights, or handlebar-mounted devices), requiring careful planning during installation.
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### **Conclusion**
The **Pro Armor A040021-1 Kill Switch Tether Cord** is a valuable safety upgrade for Yamaha Big Bear, Grizzly, and Kodiak riders, particularly those who frequently ride off-road or in high-risk conditions. Its primary benefit immediate engine shutdown in case of a fall far outweighs the minor drawbacks, such as potential tangling or maintenance needs. For riders who prioritize safety and convenience, the tether cord is a worthwhile investment. However, those who already have a robust kill switch system or prefer not to add extra components may find the cost and minor inconveniences unnecessary.
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### **Recommendation**
**Buy the Pro Armor A040021-1 Kill Switch Tether Cord if:**- You frequently ride in off-road or rugged terrain where falls are a risk.
- You value immediate engine shutdown capability for added safety.
- You are willing to invest in a small but meaningful upgrade for peace of mind.
- You can accommodate the tether cord without it interfering with other essential accessories.
**Avoid purchasing it if:**- You rarely ride in high-risk conditions and already have a reliable kill switch system.
- You are concerned about the cord tangling or becoming a nuisance during rides.
- You prefer a minimalist setup and do not see the benefit outweighing the cost.
- You do not have the time or inclination to perform regular maintenance checks on the tether cord.
For most serious off-road riders, the **Pro Armor tether cord is highly recommended** as a practical and life-saving addition to their ATV. However, always ensure proper installation and usage to maximize its effectiveness.
The durable plastic housing allows for years of abuse. Combined shipping is available for multiple items. Use Kill Switch Install Kit sold separately for easy installation. In 2008, Cycles R Us started CRU Products.
Included adapter allows you to use this with both stock and race handlebars. Photos of new parts may not always be the actual Product. PRO ARMOR Universal Kill Switch, Pro Armor Switch features a handle knob for easier pulling to reset the switch and an internal o-ring Proper sealing prevent contaminants from entering main body. Universal design works with any ATV.