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  3. POLARIS 1204723-05

POLARIS 1204723-05 Upper Crank

fits model: 800, Assault. make: Polaris. year: 2016.

1204723-05 Polaris 2016 Assault 800 Upper Crank Case

( Manufacturer Part Number: 1204723-05 ), ( Part Type: Crank Case )

Review POLARIS Upper Crank Case fits ASSAULT 800 2016

The Polaris 1204723-05 2016 Assault 800 Upper Crank is a high-performance component designed for the Polaris RZR 800 and RZR XP 800 models. This upper crank is an essential part of the engine system, responsible for converting linear motion of the piston into rotational motion of the crankshaft.

This upper crank is manufactured using a forged steel material, ensuring strength and durability. Its precision-machined design provides a perfect fit and ensures a seamless integration with the engine. The surface finish of the upper crank is polished to a mirror-like sheen, reducing friction and promoting smooth engine operation.

The 2016 Assault 800 Upper Crank features a unique design with an integrated oil pump, which is located on the rear side of the crankshaft. This design provides efficient oil delivery to the engine components, ensuring optimal engine performance and longevity.

The upper crank also comes with a heavy-duty timing gear, which is designed to withstand the rigors of off-road racing. Its robust construction and precision-machined teeth ensure reliable and consistent timing, resulting in optimal engine power and efficiency.

Installing the Polaris 1204723-05 2016 Assault 800 Upper Crank is a straightforward process. It comes with all necessary hardware for installation, including bolts and gaskets. The detailed instruction manual provided with the kit makes the installation process easy and hassle-free.

In summary, the Polaris 1204723-05 2016 Assault 800 Upper Crank is a top-quality component designed to deliver maximum performance and durability for the Polaris RZR 800 and RZR XP 800 models. Its forged steel construction, integrated oil pump, and heavy-duty timing gear make it a reliable and effective upgrade for your off-road vehicle.

Polaris Assault 800 Upper Crank (Model 1204723-05, 2016): A Comprehensive Analysis

Introduction:

The Polaris Assault 800, a powerful and versatile side-by-side vehicle, is a popular choice among off-road enthusiasts. The model 1204723-05, specifically, refers to the upper crank of this vehicle. In this analysis, we'll discuss the pros and cons of buying this particular component.

Pros:

1. Enhanced Performance: The upper crank is responsible for transmitting power from the engine to the wheels. By upgrading to a high-performance upper crank, you can expect better acceleration, increased torque, and improved overall engine efficiency.

2. Durability: The Polaris Assault 800 is designed for heavy-duty use, and the upper crank is no exception. It is built to withstand the rigors of off-road riding and is resistant to wear and tear.

3. Easy Installation: The upper crank is a relatively simple component to install, and you can do it yourself with the right tools and instructions.

Cons:

1. Cost: The Polaris Assault 800 upper crank is not an inexpensive upgrade. If you're on a budget, this may not be the best investment for you.

2. Potential for Noise: Some users have reported increased noise levels after installing a high-performance upper crank. This may be due to the increased power output and the resulting vibrations.

3. Compatibility: Ensure that the upper crank you're purchasing is compatible with your specific model and year of the Polaris Assault 800.

Conclusion:

The decision to buy the Polaris Assault 800 upper crank (model 1204723-05, 2016) ultimately depends on your personal needs, preferences, and budget. If you're looking for better performance, durability, and are willing to invest in the upgrade, this component could be a worthwhile investment. However, if cost is a concern, or if you're not sure about the compatibility or potential noise levels, it may be wise to consider other options.

Recommendation:

If you've weighed the pros and cons and have decided to proceed with the purchase, ensure you buy the upper crank from a reputable dealer, such as Polaris directly or an authorized dealer. Following the installation instructions carefully and using the appropriate tools will help ensure a successful installation process. Remember to check for any potential compatibility issues before making the purchase.

Details:

Theres some wear from the crankshaft bearing as seen in picture. This lower end came off a 2016 Polaris Assault 800 with 2,000 miles.

part #: 120472305 price

  • $99.00

specifications enginesnowmobile:

  • for models: 800, Assault
  • for makes: Polaris
  • for years: 2016
  • mpn: 1204723-05
  • part type: Crank Case

payments enginesnowmobile:

  • wallet: Google-pay
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  • credit card: Mastercard

seller enginesnowmobile:

  • # reviews: 17
  • rating: 0.0%
  • city: Toledo, Washington

offer enginesnowmobile:

  • started: February 5, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • best offers: True
  • options: Ship-to-home

general enginesnowmobile:

  • Snowmobile Parts > Engines Components > Snowmobile Engine Components
  • condition: Used

returns enginesnowmobile:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer

shipping enginesnowmobile:

  • type: Calculated
  • carrier: USPS
  • transit: 5-12 Days
  • cost: $22.30
  • service: USPS Ground Advantage
  • class: Standard
for models: 800, assault, for makes: polaris, for years: 2016, part type: crank case,
category: snowmobile parts > engines components > snowmobile engine components, sku: 19344853898831741,
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1 offer $99.00 USD
  • Used. Offer #1 priced at $99.00 + $24.10 shipping estimate = $123.10* total. Theres some wear from the crankshaft bearing as seen in the picture. This lower end came off a 2016 Polaris Assault 800 with 2,000 miles.+$24.10 shipping

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