Air and Fuel Carburetors and Components

BBR Motorsports

Mikuni Carburetor for Big Bore

$549.95

SKU: TTR-STC-0125

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

This kit is specifically engineered for the Yamaha TT-R125 and TT-R125L models from 2000 to the present.

The package includes a BBR aluminum cylinder with a steel liner, a 58mm piston, rings, pin, clips, and gaskets. It also features a BBR MX camshaft for improved performance, a 24mm Mikuni carburetor with pre-installed jets for big-bore applications, a throttle and cable, and a free-flow kit.
Show original supplier description
The BBR Motorsports TTR125 - Pro Comp 150cc Kit is a comprehensive engine upgrade package designed to deliver substantial power gains across the entire RPM range for Yamaha TT-R125 models. It also comes equipped with a high-performance BBR MX camshaft, a 24mm Mikuni carburetor that is pre-jetted for most big-bore applications, and a complete throttle and cable assembly, along with a free-flow kit to optimize air intake. This Pro Comp 150cc Kit is confirmed to fit the 2000 - Present Yamaha TT-R125 and 2000 - Present Yamaha TT-R125L models. It's important to note that this kit is explicitly not compatible with Yoshimura components. The product is currently backordered and will ship as soon as it is back in stock.

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

BrandBBR Motorsports
Part NumberTTR-STC-0125
CategoryAir and Fuel

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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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