fits make: Yamaha.

( Brand: Sierra ), ( Manufacturer Part Number: 18-6821 ), ( Part Type: Motor ), ( Country/region Of Manufacture: Taiwan ), ( UPC: 808282311728 )
The 18-6821 Sierra Yamaha Motor is a high-performance aftermarket air intake system designed specifically for Yamaha FX Nytro XTO and FX SHO models. This intake system is a direct replacement for the original equipment manufacturer (OEM) air intake system, and it is designed to provide improved engine performance, increased horsepower, and a more exhilarating riding experience.
The 18-6821 Sierra Yamaha Motor air intake system features a high-flow, four-inch diameter, polished aluminum intake tube with a heat shield to protect the air filter from engine heat. The air filter itself is a high-quality, washable and reusable, high-flow cotton filter that is designed to last for many miles. The intake system also includes a chrome, adjustable velocity stack and a chrome, high-flow air filter cover to give your Yamaha FX Nytro XTO or FX SHO a custom look.
The 18-6821 Sierra Yamaha Motor air intake system is easy to install, and it comes with all the necessary hardware and instructions for a simple, straight-forward installation. The system is designed to be a direct bolt-on replacement for the OEM air intake system, and it does not require any modifications to the engine or the airbox.
In summary, the 18-6821 Sierra Yamaha Motor air intake system is a high-quality, performance-enhancing aftermarket intake system for Yamaha FX Nytro XTO and FX SHO models. It features a high-flow, four-inch diameter, polished aluminum intake tube with a heat shield, a high-quality, washable and reusable, high-flow cotton filter, a chrome, adjustable velocity stack and a chrome, high-flow air filter cover. The system is easy to install and does not require any modifications to the engine or the airbox.
Part number: 808282311728
Brand: Sierra
Model: Yamaha Motor
Type: Air Intake System
Application: Yamaha FX Nytro XTO and FX SHO
Manufacturer: Sierra Performance
Material: Aluminum, Stainless Steel, and Cotton Filter
Color: Polished Aluminum, Chrome
Size: 4 Inches Diameter
Features: High-flow, Heat shield, Adjustable velocity stack, High-flow air filter cover, Washable and reusable filter, Direct bolt-on replacement, No modifications required
Installation: Easy, Straightforward installation, Includes all necessary hardware and instructions
Package Contents: Intake system, Air filter, Velocity stack, Air filter cover, Hardware, Installation instructions
Warranty: Limited Lifetime Warranty
Manufacturer's website:
Amazon Product link:
Pros of buying a Yamaha SIERRA 18-6821 Motor:1. Powerful Engine: Equipped with a 115 HP Yamaha VMAX SHO-B engine, it provides excellent power and acceleration.
2. High Capacity Fuel Tank: With a 9.2 gallon fuel tank, you can enjoy longer rides without frequent refueling.
3. Spacious Deck: The 18-6821 has a generous deck size of 99.2 square inches, providing plenty of room for fishing or other activities.
4. Wide Beam: The vessel's 8'6" wide beam provides stability and safety, making it less likely to tip over in rough waters.
5. Versatile Design: It can be used for a variety of activities such as fishing, water sports, or just cruising.
Cons of buying a Yamaha SIERRA 18-6821 Motor:1. Price: The Yamaha SIERRA 18-6821 is a premium product and its price reflects this. It may be out of reach for some buyers.
2. Weight: At over 1,900 lbs, it may be difficult to transport or maneuver without a trailer.
3. Limited Seating: While it can seat up to 8 people, the seating is not particularly comfortable or spacious.
4. No Bimini Top: Unlike some competitors, the SIERRA 18-6821 does not come with a built-in bimini top, which means you'll need to purchase one separately if you want shade while on the water.
Conclusion:The Yamaha SIERRA 18-6821 is a powerful and versatile boat that offers excellent performance and a spacious deck. However, its high price and limited seating comfort are potential drawbacks. If you have the budget and are looking for a boat that can handle a variety of activities, the SIERRA 18-6821 is a great option. But if you're looking for a more budget-friendly or comfortable boat, you may want to consider other options.
Recommendation:If you're in the market for a powerful and versatile boat, the Yamaha SIERRA 18-6821 is definitely worth considering. Just be prepared to pay a premium for its performance and features. If you're looking for a more budget-friendly alternative, you may want to consider the Yamaha EX150 or EX175, which offer similar performance but at a lower price point. Or, if you prioritize comfort, you might want to look at boats with more spacious seating. Ultimately, the best boat for you depends on your budget, needs, and preferences.