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KTM ‘Group’ 250 EXC/XC-W ERM TBI 2024-On Power Kit

$1,088.59 ex GST

KTM ‘Group’ 250 EXC/XC-W ERM TBI 2024-On Power Kit

$1,088.59 ex GST

SKU: P.H.KT250.23on.EXC.TBI.BUNDLE Categories: ,
TSP ECU Reflash Module (ERM) - Suits all TPI & TBI Models

In stock

KTM 'Group' 250 EXC/XC-W TBI 2024-On Cylinder Head
Compression Ratio
BPR8EIX TPI NGK Iridium Spark plug

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Quantity

This package suits all 2024-on KTM ‘GROUP’ 250 EXC/XC-W models with the new 250 TBI (Throttle body injection) engine.

The models include:

KTM250 EXC-XC/W 24-on

Husky TE250 24-on

GasGas EC250 24-on

This kit does not suit XC/SX/TC/TX/MC/EX Models.

This 2023-on 250EXC/XC-W package includes:

  • A Billet TSP Head (Cap and Insert). We offer several different compression ratios  to suit different riding conditions.
  • A TSP ERM which allows you to flash the necessary tune to your ECU. The ERM also allows simple adjustments to fuel, ignition and powervalve in case you want to make changes, plus its a valuable service tool allowing you to set the TPS and read/clear fault codes  – See more information here: https://tsp-erm.com/product-features/
  • Head O-ring & Washer Kit
  • New Iridium Spark plug

The 2024-on KTM 250 EXC and XC-W Bikes are OK off the factory floor but like previous years of 250EXC bikes they are quite soft at part throttle and respond extremely well to some sensible mods. Our head and ECU tune combination make a massive difference to the feel of these bikes, making them ride more like a ‘280’ than a 250. Once setup right this bike will do anything a 300 will do, but it feels more nimble, more revvy and isn’t as tiring to ride. At TSP we have often said that most riders would be better off on a well tuned 250 instead of a 300, and the new 2024-on 250EXC is no exception.

 

This package makes a huge difference to the 250TBI over stock, with some key features being:

  • Drastically improved throttle response throughout the whole RPM range
  • More power everywhere, especially through the bottom/mid. This makes the bike much easier to ride in most conditions.
  • Both Green & White maps are tuned and the stock map switch works like normal to select between the customised maps. The Green map is Hard/Aggressive, the White map is Safer/Softer.
  • Smoother throttle response
  • Better fuelling; some areas are crisper than stock for better throttle response, and some areas are richer for improved reliability.
  • Mapping changes include fuel, ignition and powervalve settings for both the Green and White maps (Downloadable with the ERM)
  • ERM enables you the ability to make swift pre-set tune changes depending on conditions

As usual we offer a range of cylinder head options for this Power Kit:

  • MEDIUM COMPRESSION: The new 250EXC Med comp insert is higher compression than stock with a much better overall design. It gives the engine a crisper, torquier feel and is suited to trailriders or racers. It is the best design to use for deep sand riding, or prolonged high speed riding, or for those riders who don’t need as much power gain as the High Comp head offers.
  • HIGH COMPRESSION: The new 250EXC High comp design is higher compression than stock, and about as high as you can safely go at sea level with normal fuels. It is the best pick for the majority of riders and offers big gains in power from bottom to top. Riders using this head design with a TSP ECU tune will feel a huge difference to performance over stock. Suitable from sea level up, using normal pump 98 RON fuel.
  • VERY HIGH COMPRESSION (above 1500m elevation): The new 250EXC Very High comp insert is designed for use at high elevation only. Is best suited for use above 1500m, but could be used down to 1000m if necessary with the right fuel and ignition changes on the ERM.

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.

Additional information

Weight1 kg
Optional Additions

Cylinder head O-ring & Washer Kit ($24.95), Not required ($0)

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