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SKU HTBI125.23on Category

TSP CNC Head – KTM/Husky 125 TBI Models

This head features an improved combustion chamber design that gives more performance throughout the rev range as well as reduced risk of detonation. It has been designed and tested to work with 91 octane fuel. The head comes with a TSP base gasket and complete head gasket kit.  It is highly recommended to run this TSP head along with the TSP ECU re-flash and tune.

$320.00

Available on backorder

NGK spark plug - highly recommended! (×$15.00)
Additional Insert (×$150.00)
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Description

This billet cap and CNC machined TSP head insert fits 2023+ KTM and Husky 125 models with the new 125 TBI (Throttle Body Injection) engine. The TSP head is designed to work with the supplied TSP base gasket and gives a big boost to power throughout the rev range.

You will receive one (1) cylinder head & insert for your make/model, a raised base gasket and a cylinder head o-ring and washer kit so you can bolt it straight on!

The key TSP Head features are:

  • Improved throttle performance in the whole RPM range
  • Smoother throttle response
  • Improved combustion chamber design that gives more performance from bottom to top
  • Reduced risk of detonation

If you are deciding between our head/insert or an ECU flash, it is advised that you go for our ECU tune first. The ECU flash will enable larger gains than this head/insert by itself as the TSP ECU maps improve fuel, ignition and power valve maps. There are gains to be made by just swapping the head/insert especially with additional smoothness, but this is best complimented with the ECU flash so you get the most out of the head design. Fitting our ECU Flash and Insert/Head at the same time will offer much better performance gains over stock.

All TSP mods are designed and dyno tested in-house at TSP so you can be sure you’re getting reliable performance for local conditions.

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Below are the make(s) and model(s) that will fit this part.

YearMakeEngine CCModel
YearMakeEngine CCModel
2023Husqvarna125TC TBI
2023KTM125SX TBI
2023KTM125XC TBI
2024Gas Gas125MC TBI
2024Husqvarna125TC TBI
2024KTM125SX TBI
2024KTM125XC TBI
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