2Bros Parts

CYLINDER KIT BIG BORE 57.40mm YAMAHA YBR 125 TTR125 L E TO 150CC

$141.24

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Delivery to United States 5–8 business days

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This 57.4 mm 150 cc cylinder kit includes a cylinder block, piston, and 15 mm piston pin, intended for engine rebuilds and YBR125-to-YBR150 style upgrade applications. Manufactured to OEM-style standards for reliable fit and rebuild confidence, it is supplied as a direct replacement-type kit. The kit features a cylinder block, piston, and piston pin, and is designed for engine rebuilding and 150 cc upgrade-style applications with a direct OEM replacement-type fitment. It is manufactured to meet or exceed OEM quality standards and is easy to install. Bore diameter is 57.4 mm, capacity is 150 cc, and piston pin diameter is 15 mm.

Specifications
SKU
56-K234.574.CLK2
Brand
No Brand
Availability
In Stock (2)
SKU
56-K234.574.CLK2
Brand
No Brand
Availability
In Stock (2)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Big Bore Cylinder Kit for Yamaha 125cc Models - Upgrade to 150cc

Enhance the performance of your Yamaha YBR125 or TTR125 series motorcycle with this Big Bore Cylinder Kit. Designed for engine rebuilds or to upgrade your engine capacity to approximately 150cc, this kit provides a significant performance boost. It is manufactured to OEM-style standards, ensuring a reliable fit and quality construction for your engine rebuild project.

This comprehensive kit includes the essential components needed for the upgrade:

  • Cylinder Block
  • Piston
  • Piston Pin (15mm diameter)

Key Features:

  • Increased Capacity: Transforms your engine to approximately 150cc for improved power and torque.
  • High-Quality Construction: Manufactured to meet or exceed original equipment manufacturer (OEM) quality standards for durability and performance.
  • Direct Replacement Style: Designed for a direct fit, simplifying the installation process during engine rebuilds or upgrades.
  • Complete Kit: Supplied with the cylinder, piston, and piston pin, offering a convenient all-in-one solution.
  • Ideal for Upgrades: Perfect for enthusiasts looking to boost their motorcycle's performance beyond standard specifications.

Specifications:

  • Bore Diameter: 57.40mm
  • Engine Capacity: 150cc
  • Piston Pin Diameter: 15mm

For optimal results and safety, professional installation is recommended if you are not experienced with engine work. Please compare the product images with your existing parts before ordering to ensure compatibility.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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