1. ATV/UTV Mirrors Deals
  2. sku: 7518553902137604
  3. HE SIZ57R

HE SIZ57R Thumb Throttle Lever 550/850/1000

fits model: 550, 850, 1000, Scrambler. make: Polaris. year: 1925–2009.

Siz57r He Premium Aluminum Thumb Throttle Lever Fits Polaris Scrambler 550/850/1000 09-25

( Brand: He ), ( Modified Item: No ), ( Surface Finish: Red ), ( Manufacturer Part Number: SIZ57R ), ( Placement On Vehicle: Right ), ( Material: Aluminum ), ( Type: Thumb Throttle Lever )

Review HE Premium Aluminum Thumb Throttle Lever Polaris fits SCRAMBLER 550 850 1000 1925–2009

Introducing the S57R Thumb Throttle Lever, a premium aftermarket accessory designed specifically for Polaris Scrambler 550, 850, and 1000 models from the years 2009 to 2025. This thumb throttle lever is an excellent upgrade for riders seeking a more ergonomic and efficient riding experience.

Crafted from high-quality, billet aluminum, this thumb throttle lever boasts a sleek and durable design. The anodized finish not only enhances its visual appeal but also provides protection against corrosion, ensuring a long-lasting performance. The lever is CNC machined to ensure precision and a perfect fit on your Polaris Scrambler.

The S57R Thumb Throttle Lever is designed to provide a more comfortable and intuitive grip, allowing riders to easily modulate the throttle while keeping their hands in a more natural position on the handlebars. The thumb lever design reduces the amount of force required to operate the throttle, making it easier to control the power delivery and improving overall ride quality.

Installation of the S57R Thumb Throttle Lever is a straightforward process. It comes with all necessary hardware and instructions to make the installation quick and easy. The lever is designed to work with your existing Polaris Scrambler throttle cable, requiring no modifications to the bike's wiring or throttle body.

In summary, the S57R Thumb Throttle Lever is a must-have accessory for Polaris Scrambler 550, 850, and 1000 riders looking to enhance their riding experience with a more ergonomic, efficient, and stylish throttle control. Its durable construction, comfortable grip, and easy installation make it a worthwhile investment for any serious off-road enthusiast.

Thumb throttle levers, like the SIZE57R model for Polaris Scrambler 550/850/1000 (2009-2025), offer riders an alternative way to control the throttle on their ATVs. This type of throttle control can have several pros and cons.

Pros:

1. Improved ergonomics: Thumb throttles allow riders to keep their hands in a more natural position on the handlebars, reducing fatigue and improving control, especially during long rides.

2. Precise throttle control: Thumb throttles offer more finely tuned throttle response, allowing for smoother acceleration and better handling, particularly on technical trails.

3. Customization: Thumb throttles can be adjusted to fit the rider's hand size and riding style, providing a more personalized riding experience.

4. Enhanced wheelie control: Thumb throttles can make it easier to perform wheelies and other tricks, as they allow for more precise throttle control.

Cons:

1. Added complexity: Installing a thumb throttle lever involves additional wiring and modification to the ATV's factory throttle system, which can be time-consuming and may require professional installation.

2. Cost: Thumb throttles can be more expensive than traditional twist throttles, with aftermarket options often costing several hundred dollars.

3. Requires additional maintenance: Thumb throttles may require more frequent maintenance, as the additional wiring and components can be more susceptible to damage.

4. Learning curve: Riders may need time to adjust to using a thumb throttle instead of a traditional twist throttle, and may experience a learning curve during the transition.

In conclusion, a thumb throttle lever, like the SIZE57R model for Polaris Scrambler 550/850/1000, can offer riders improved ergonomics, precise throttle control, and increased customization. However, it also comes with added complexity, cost, maintenance requirements, and a learning curve. Ultimately, the decision to purchase a thumb throttle lever depends on each rider's personal preferences, riding style, and budget. If the benefits outweigh the drawbacks and the rider is willing to invest the time and money, a thumb throttle lever can be a worthwhile addition to their Polaris Scrambler.

Recommendation:

If you're considering purchasing a thumb throttle lever for your Polaris Scrambler 550/850/1000, carefully evaluate your riding style, budget, and the potential benefits and drawbacks. Consider consulting with a professional installer or reading detailed installation instructions to ensure a successful installation. Ultimately, if you're looking for improved ergonomics, precise throttle control, and a more personalized riding experience, a thumb throttle lever may be a worthwhile investment for your Polaris Scrambler.

specifications dirtmirror:

  • for models: 550, 850, 1000, Scrambler
  • for makes: Polaris
  • for years: 1925-2009
  • brand: He
  • modified item: No
  • surface finish: Red
  • manufacturer part number: SIZ57R
  • placement on vehicle: Right
  • material: Aluminum
  • type: Thumb Throttle Lever

payments dirtmirror:

  • wallet: Apple-pay
  • otHer
  • credit card: Diners-club

returns dirtmirror:

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

general dirtmirror:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Mirrors > Mirror Assemblies

shipping dirtmirror:

  • type: Fixed
  • class: Standard
  • transit: 3-5 Days
  • cost: $0.00
  • service: Standard

offer dirtmirror:

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

seller dirtmirror:

  • # reviews: 23
  • rating: 100.0%
for models: 550, 850, 1000, scrambler, for makes: polaris, for years: 1925-2009, modified item: no, surface finish: red, placement on vehicle: right, type: thumb throttle lever,
category: atv parts > atv, side-by-side utv parts accessories > mirrors > mirror assemblies, color: red, material: aluminum, sku: 7518553902137604,

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