DeatschWerks

550cc - Yamaha Nytro, Viper

550cc - Yamaha Nytro, Viper - Main image
$186.93 $279 In stock

Category: Fuel Injector

The DeatschWerks 550cc fuel injector is engineered for Yamaha Nytro models (2008‑2012) and Viper models (2014‑2016), delivering reliable performance and precise fuel flow.

  • Flow rate: 550 cc/min for optimal power delivery.
  • Direct‑fit replacement for original OEM injectors.
  • Manufactured by DeatschWerks, a trusted name in power‑sports fueling.
  • Part number: 16U‑46‑0550‑3 ensures correct identification.
  • Designed for consistent spray pattern and durability under demanding conditions.
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

Christopher ★★★★★

Just installed these on my Viper and the idle smoothed out immediately. The 550cc flow rating was exactly what I needed for my mild mods.

Scarlett E. ★★★★★

Replaced the stock injectors on my 2009 Nytro with these and the 550cc flow rate smoothed out the idle perfectly. Install was straightforward and the engine feels crisp through the mid-range now.

William A. ★★★★★

Bolted these into my Viper and the 550cc flow rate matched the stock tune perfectly, no sputtering at idle or hesitation on the trail. The precise fuel delivery was noticeable right away, especially in the mid-range where it feels much crisper. Exactly what I needed to keep the sled running clean th