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    Availability Guide: If you order an item that is not in stock, we will not charge your card until the order is ready to ship.

      = Normally ships the same business day     = Special order, ships in 4 to 7 business days    = Backordered from supplier
PowerParts SXS Parts - Engine 2-Stroke

Cost

Add To Cart

SXS Cylinder Head With Variable Combustion Chamber
(DOES NOT INCLUDE COMBUSTION CHAMBER)

SXS13125044 - Fits KTM 125/144/150 SX/XC 200715
                             
Instructions
---------------------------------------------------------------------------------------
SXS13250044 - Fits KTM 250 SX/XC/XC-W 200716 Instructions
SXS13300044 - Fits KTM 300 XC/XC-W 200816 Instructions

$219.99

-------
$229.99
$229.99
 

The all-new SXS two-stroke cylinder heads are a must for the serious racer and two-stroke tuner.  With variable combustion chamber options designed for specific power output and delivery, every rider  can find the SXS cylinder head they need! The aluminum alloys and optimized combustion chamber  shapes employed ensure the best possible heat dissipation.  This has a positive effect on power delivery
and reduces material wear in the combustion chamber and on the piston.  Replacement of the whole head is now no longer necessary simply put in a new combustion chamber insert and off you go again. To increase the performance of your bike even further, KTM recommend combination of the SXS cylinder heads with the following parts:  SXS spark plug, SXS CDI unit, and KTM PowerParts exhaust system.
IMPORTANT:  The carburetor jets must be matched with the selected combustion chamber insert and the model year of your vehicle (e.g. selected combustion chamber insert = motocross, vehicle = 250 XC-W MY 09 --> appropriate carburetor jets = 250 SX MY 09). Detailed information about carburetor jetting is available from your KTM dealer.
SXS Cylinder Head Combustion Chamber Insert Extreme
SXS16125081 - Fits KTM 125 SX 2016-18
SXS13125081 - Fits KTM 125 SX 200715
SXS13144081 - Fits KTM 144/150 SX/XC 200715
SXS16150081 - Fits KTM 150 SX 2016-18, 150 XC-W 2017-18
SXS13250081 - Fits KTM 250 SX/XC/XC-W 200716
SXS13300081 - Fits KTM 300 XC/XC-W 200816
$109.99
$109.99
$109.99
$114.99
$159.99
$159.99
 

The combustion chamber insert is made from an alloy developed specially for this purpose. The excellent conductivity of this alloy increases the capability of your engine in extreme conditions, particularly when it needs to deliver maximum performance (e.g. in high temperatures, sandy track conditions or other extreme situations).
SXS Cylinder Head Combustion Chamber Insert MX
SXS13125061 - Fits KTM 125 SX 200715
SXS13144061 - Fits KTM 144/150 SX/XC 200715
SXS13250061 - Fits KTM 250 SX/XC/XC-W 200716
SXS13300061 - Fits KTM 300 XC/XC-W 200816

$59.99
$59.99
$64.99
$64.99
 

Combustion chamber insert manufactured from highest grade aluminum, with optimized combustion chamber shape suited
for Motocross racing.
SXS Cylinder Head Combustion Chamber Insert Enduro
SXS13250071 - Fits KTM 250 SX/XC/XC-W 200716
SXS13300071 - Fits KTM 300 XC/XC-W 200816

$69.99
$64.99
 

Combustion chamber insert manufactured from highest grade aluminum, with optimized combustion chamber shape suited
for Enduro racing.
SXS Combustion Chamber Insert - XC Setting
Fits KTM 250 SX/XC/XC-W 200716
SXS13250091

$69.99

 
Combustion chamber insert manufactured from highest grade aluminum for more torque delivered over the rev range.
SXS Cylinder Kit
Fits KTM 125 SX 2016-18
SXS16125007

$899.99

 
This complete cylinder consists of individual components specially machined to minimum tolerances. This guarantees you more performance over the entire rpm range. The kit will be delivered with piston included.
SXS Cylinder Kit
Fits KTM 125 SX 200715
SXS14125007

$899.99

 
This complete cylinder consists of specially machined components, each with minimized tolerances. This guarantees more power throughout the entire rev range.
SXS Piston
SXS16125907-I - Fits KTM 125 SX 2016-18
(Group I Cylinder only)
SXS16150907-I - Fits KTM 150 SX 2016-18, 150 XC-W 2017-18
(Group I Cylinder only)
$124.99
$139.99
 

Specially developed high-performance piston with the following properties:  Higher performance across the entire power band
Higher peak power  Optimized friction  Only one piston ring  Special surface coating
Due to the higher load on the engine, the new service intervals specified in the Owner's Manual supplied must be complied with.
SXS Spark Plug 125 02
Fits KTM 125 SX 2000-18, 144/150 SX/XC 2007-18
Top shelf racing spark plug to help get the most from you 2-stroke.
SXS02125071

$65.99

 
150 SX Kit
Fits KTM 125 SX 2016-18
SXS16150000

$799.99

 
All the parts for the conversion of your 125 SX to a 150 SX, so that you are one step ahead of your competitors.
300 SX Kit
SXS17300000 - Fits KTM 250 SX 2018 $919.99
SXS14300000 - Fits KTM 250 SX 2014-16 $959.99
SXS12300000 - Fits KTM 250 SX 2007-13 $949.99


$919.99
$959.99
$949.99
 
  

All the parts required for converting your 250 SX to a 300 SX for the open class. No need for the jets to be changed on the 250 SX carburetor.
300 XC/XC-W Kit
SXS17300500 - Fits KTM 250 XC/XC-W 2017-18 $919.99
SXS12300005 (in stock) - Fits KTM 250 XC/XC-W 2008-16 $899.99
SXS12300100 - Fits KTM 250 XC/XC-W 2007-16 $909.99
$919.99
$899.99
$909.99
 

All the parts required for converting your 250 EXC to a 300 EXC for the E3 class. More information on the carburetor jetting can be obtained from your authorized dealer.
SXS CDI Unit
Fits KTM 125 SX 200715
SXS15125390

$149.99

 
The ignition curve of the SXS CDI unit is specially tuned to the use of fuel with at least 98 octane.
The benefits:  Higher peak power, Higher revs, and Best possible performance.
KTM recommend use in combination with a PowerParts exhaust system and the SXS spark plug.

Larger Images

  PowerParts SXS Parts - Engine 2-Stroke - Larger Images
SXS Cylinder Head with Variable Combustion Chamber SXS Cylinder Head Combustion Chamber Insert Extreme

SXS Cylinder Head Combustion Chamber Insert - MX/Enduro/XC SXS Cylinder Kit SXS16125007

SXS Cylinder Kit SXS14125007 SXS Piston SXS16125907 I / SXS16150907 I
SXS Spark Plug SXS02125071 SXS CDI Unit 50339931000


Ever had to cut short a training session or a race due to a faulty spark plug? This will never happen again with the extremely robust SXS spark plug and its special properties:
Iridium centre electrode tip
Reinforced earth electrode (against vibration and breakage)
Special design with improved anti-rusting properties
KTM recommends use of the factory spark plug when fitting power-boosting parts, such as factory cylinder heads, factory silencers or the factory CDI.

150 Factory SX Kit SXS16150000 300 SX/XC/XC-W Kits
 
 

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