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Engines and Components› Pistons and Piston Rings

Polini

Big Bore Kit

$398.00 $397.99 Save $0.01

SKU: 1100-1466

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The Polini Big Bore Kit is a performance engine upgrade designed for the 4T Yamaha Zuma 50 and C3. It also provides compatible fitment for the Genuine Venture 50.
Show original supplier description
The Polini Big Bore Kit is a performance engine upgrade designed to increase displacement for the 4T Yamaha Zuma 50 and C3 models. This kit also provides compatible fitment for the Genuine Venture 50. Please note that this product is not intended for use on public roads or land. Additionally, it is not legal for use in California on pollution-controlled vehicles. Customers are advised to check local laws regarding the installation of racing or performance-oriented engine components before purchase.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandPolini
Part Number1100-1466
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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