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Hot Sale Freshly Rebuilt X125t Perfect Gift [K2RDEjOz]

$75.99 $243.99 -69%

Fully rebuilt X125T engine only The TaG Engines have indisputably dominated the North American karting scene for the past decade. And why wouldn't they? The ease of a push button start, long rebuild intervals, and they are consumer friendly. In Europ

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Fully rebuilt X125T engine only 
The TaG Engines have indisputably dominated the North American karting scene for the past decade. And why wouldn't they? The ease of a push button start, long rebuild intervals, and they are consumer friendly. In Europe, the modern, simple and high performance KF engines are extremely popular. What if we had the best of both worlds?  The X125T engine line is a reconfigured KF engine built for the North American racer. The complicated wiring system, expensive ignition, relay and electronic box have all been removed.

Introducing the X125T-MX, bringing TaG racing to the next level.  This next-gen TaG engine allows for more power, less vibration, and 15500rpm rev limit with 3The internal water pump has now been replaced with a more reliable external water pump as well as going to a Sellecctra ignition as PVL was ver difficult to acquire.   It will be available in  junior or as senior configurations, with restriction at the manifold.  The ever-popular Tillotson HL334A/HL334AB (23mm) carburetor is be used for JR.1, the Tillotson HW44A carburetor is used for JR.2, JR.3 and Senior while the Tillotson 27mm is used for Heavy/Masters (the Tryton 27mm may be allowed regionally).  See homologation pdf below for more technical information. 



JUNIOR 1 Configuration (Ages 8 to 11) - Includes 17mm Intake Restrictor (IM111-17) and 22mm Exhaust Header 22mm (P12.2624311).  Base Gasket set at 2.5mm total.  Spec gearing should be set at 11/78.
JUNIOR 2 Configuration (Ages 10-12) - Includes 19mm Intake Restrictor (IM111-19) and  25mm exhaust header (P12.4183311).
JUNIOR 3 Configuration (Ages 13-16) - No intake restrictor needed, includes 31mm Exhaust Header (P12.4193311).
**Flat rate shipping $50 for all engines - signature required for delivery***

Running/mounting instructions:
- Fuel mixture 16:1 or 6%
– Carb settings for Tryton HB27- L 1¼ H 1¼
– Carb settings for Tillotson HL334AB – L 1¾ H1
– Carb settings for Tillotson X125T 27mm – L 1½ H1
- Please note that you may require an engine plate if your motormount does not have a cut out on the back.  Part# A-120800A 
- Case comes empty but oil is included with the package, PLEASE check prior to running. Recommended Part #: 00601
- Rev Limiter 15500
- Spark plug BR10EG
- Starter rebuild video 

https://m.youtube.com/watch?v=9eCaw8W4NV4
- We recommend checking your gear lube level before any event, and replace oil after 20 hours.

X125T-MX Parts Guide   (****OLD Version internal water pump****)
X125T - External Parts Guide replacing MX version

Check our more information on the X125 Engine Line and take a look at our dealers.
Choose your homologation type (click on logo): 

What Our Customers Say

January 2, 2026

Absolutely no complaints!

It’s a flawless performer. I am truly content.

- Clement X..

January 2, 2026

Absolutely no complaints!

A very smart and a useful piece of modern tech.

- Manon R..

January 2, 2026

Absolutely no complaints!

A fantastic tool. I'm exceptionally so impressed.

- Trefor Y..

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