This is THE package you need if you are even half serious about racing a 125SX TBI!! This kit not only gives you the best performance on the market for the best price, but also allows you to make trackside adjustments to fuel, ignition and powervalve using our ERM. This is a MUST for a 125SX as they do require adjustment throughout the season for changing track conditions.
This package suits all KTM ‘GROUP’ 125 SX/XC 2023-on models with the new TBI (Throttle body injection) engine. (including equivalent Gasgas & Husqvarna Models)
This package includes:
- A Billet TSP Head (Cap and Insert)
- A TSP ERM – See more information here: https://tsp-erm.com/product-features/
- Head O-ring & Washer Kit
Please note – This Must be used with a 12 degree piston! You can add one of our TSP 12 degree top end rebuild kits to your purchase, and we also suggest running a Doma complete exhaust system which we also keep in stock.
This package makes a huge difference to the 125TBI over stock, with some key features being:
- Significant mid-top RPM performance with more over-rev
- More power everywhere over our non-12 degree head design
- Drastically improved throttle response and performance throughout the whole RPM range
- The ERM enables you the ability to make swift pre-set tune changes depending on conditions
- Both Green & White maps are tuned and the stock map switch works like normal to select between the customised maps.
- Smoother throttle response
- Better fuelling
- An extra ~3HP+ at peak power
- Much more enjoyable to ride
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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