2Bros Parts

125CC PIT BIKE ENGINE SEMI AUTO W/REVERSE, COMPLETE RUNNING ENGINE PACKAGE, CARB & ELECTRICS INCLUDED

$360.28

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Delivery to United States 5–8 business days

Out of Stock

125cc pit bike engine semi auto with reverse. Complete running engine package including gear lever, carb and manifold, and all electrics and switches. Features electric start. Specifications: displacement 119.7cc, max power 8HP @ 7500 RPM, max torque 8.5NM @ 5000 RPM, compression ratio 9.0:1, bore & stroke 52.4mm x 55.5mm. Engine oil capacity 900ml, 15W/40. Requires break-in procedure: 10 minutes at idle, 15 minutes riding at up to 1/2 throttle, 15 minutes riding at up to 3/4 throttle. After break-in, recommended to change oil and perform a full engine check.

Specifications
SKU
56-E101
Brand
No Brand
Availability
Out of Stock
General Product Group
Engine
General Product Type
Complete Engine
Variant Id
297071
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

125CC Semi-Automatic Pit Bike Engine with Reverse - Complete Package

Upgrade your pit bike, monkey bike, or ATV with this powerful and versatile 125CC engine. This complete running engine package features a semi-automatic transmission and the convenience of reverse gear, making it ideal for a wide range of applications.

Key Features:

  • Engine Size: 119.7CC displacement for robust performance.
  • Transmission: Semi-automatic for easy shifting.
  • Reverse Gear: Added functionality for maneuverability.
  • Electric Start: Convenient and reliable starting.
  • Included Components: Comes complete with a gear lever, carburetor and manifold, and all necessary electrics and switches.
  • Performance: Delivers a maximum power of 8HP at 7500 RPM and a maximum torque of 8.5NM at 5000 RPM.
  • Engine Specifications: Features a compression ratio of 9.0:1, with a bore and stroke of 52.4mm x 55.5mm.
  • Oil Capacity: Requires 900ml of 15W/40 engine oil.

Important Break-In Procedure:

To ensure the longevity and optimal performance of your new engine, a break-in procedure is essential. Please follow these steps:

  1. Run the engine at idle for 10 minutes.
  2. Ride the vehicle for 15 minutes, not exceeding 1/2 throttle.
  3. Ride the vehicle for 15 minutes, not exceeding 3/4 throttle.

After completing the running-in procedure, it is highly recommended to change the engine oil and perform a full check of the engine components.

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

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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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Out of stock