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SKU PWRKIT+ERM-TBI-12D-125 Category Tag

TSP TBI 12 Degree ERM Power Kit – KTM / Husky / Gas Gas 125cc TBI

The TSP TBI 12 Degree ERM Power Kit not only gives you the best performance on the market for the best price, but also allows you to make track-side adjustments to fuel, ignition and power valve using our ERM.

With the purchase of an ERM, you DO NOT need to ship us your ECU. Once you receive the ERM, you will use the ERM to download the correct maps for your bike, and you will flash your own ECU using the ERM. All TSP ERMs come with the TSP ERM Rain & Dust Cover included!

Get it loaded up and ready to ride! ERMs are shipped without software loaded. SBMP can pre-load your MAP so you don’t have to. Check details here.

$970.00

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TSP ERM - ECU Reflash Module
$30.00
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$55.00
twin air filter
$30.00
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TSP CNC 12 Degree Head Insert
Original price was: $170.00.Current price is: $150.00.

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Description

TSP TBI 12 Degree ERM Power Kit

This is THE package you need if you are even half serious about racing a 125 TBI!! This kit not only gives you the best performance on the market for the best price, but also allows you to make track-side adjustments to fuel, ignition and power valve using our ERM. This is a MUST for a 125 TBI as they do require adjustment throughout the season for changing track conditions.

The TSP TBI 12 Degree ERM Power Kit is designed for KTM, Husky and Gas Gas 125 2023-on models with the new TBI (Throttle body injection) engine.

This package includes:

  • A Billet TSP Head (Cap and Insert)
  • A TSP ERM with TSP ERM Rain & Dust Cover  – See more information here: https://tsp-erm.com/product-features/
  • Top End Rebuild Kit with 12 degree piston
  • A new NGK BPR9EIX spark plug, better suited to the improved power the engine makes with this kit

Please note – This Must be used with a 12 degree piston. Select “A” or “B” piston size to complete your order.

This package makes a huge difference to the 125 TBI 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 preset tune changes depending on conditions
  • Both Green & White maps are tuned and the stock map switch works like normal to select between the customized maps.
  • Smoother throttle response
  • Better fueling
  • 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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Additional Information

Weight2.2 lbs
Dimensions10 × 6 × 6 in

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
2025Gas Gas125MC TBI
2025Husqvarna125TC TBI
2025KTM125SX TBI
2025KTM125XC TBI
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