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    Availability Guide: If you order an item that is on backorder, 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     = On backorder from the manufacturer
  Husqvarna Factory Engine 2-Stroke Parts   Cost  Add To Cart 
Exhaust Flange Guard
Fits TC/TE 250/300 2-Strokes 2017-18, KTM 250/300 2-Strokes 2017-18
24537994044 - Blue (ETA 12/31)
55437994044 - Orange (ETA 12/31)
A damaged or broken exhaust flange automatically means the end of the journey. This will never happen again with the exhaust flange protector.

Instructions
$44.99
each
 

Factory Piston
SXS16125907-I - Fits TC 125 2017-18, TX 125 2017 (Group I Cylinder only)
SXS16150907-I - Fits TC 150 2017-18 (Group I Cylinder Only)
Specially developed high-performance piston.

$124.99
$139.99
 

Factory Spark Plug
Fits TC 125 2014-18
Top shelf racing spark plug to help get the most from you 2-stroke.
SXS02125071
$65.99
 
Factory Digital Box
Fits TC/TE 125 2014-15
The ignition curve of the factory CDI unit is specially tuned to the use of fuel with at least 98 octane.
SXS15125390
$149.99
 
TC 150 Conversion Kit
All the parts for the conversion of your TC 125 to a TC 150
Fits TC 125 2016-18
SXS16150000
$799.99
 
TE 300 Conversion Kit
All the parts required for converting your TE 250 to a TE 300. No need to change the jets on your TE 250.
SXS17300500 - Fits TE 250 2017-18
SXS12300100 - Fits TE 250 2014-16



$919.99
$909.99
 

TC 300 Conversion Kit
All the parts required for converting your TC 250 to a TC 300 for the open class. No need to change the jets on your TC 250.
Fits TC 250 2014-16
SXS14300000
$959.99
 
TC 105 Conversion Kit TC 105 Kit
Fits TC 85 2014-17
Big bore kit with extra displacement (105 instead of 85). For plenty of torque and even more peak power. Without engine head brace attachment.
SXS16105000
$799.99
 
Factory Cylinder Head with variable Combustion Chamber
(DOES NOT INCLUDE COMBUSTION CHAMBER)

Fits TE 300 2014-16
The factory cylinder heads with variable combustion chamber are a must for every racer.
SXS13300044 Instructions
$229.99
 
Factory Cylinder Head with variable Combustion Chamber
(DOES NOT INCLUDE COMBUSTION CHAMBER)

Fits TC/TE 250 2014-16
The factory cylinder heads with variable combustion chamber are a must for every racer.
SXS13250044 Instructions
$229.99
 
Factory Cylinder Head with variable Combustion Chamber
(DOES NOT INCLUDE COMBUSTION CHAMBER)

Fits TC 125 2014-15, TE 125 2014-16
The factory cylinder heads with variable combustion chamber are a must for every racer.
SXS13125044 Instructions
$219.99
 
Factory Cylinder Head with variable Combustion Chamber SXS15085044
(DOES NOT INCLUDE COMBUSTION CHAMBER)
Fits TC 85 2014-17
The factory cylinder heads with variable combustion chamber are a must for every racer.

SXS15085044 Instructions
$199.99
 
Factory Cylinder Head Combustion Chamber Inserts - Enduro Setting
SXS13300071 - Fits TE 300 2014-16
SXS13250071 - Fits TC/TE 250 2014-16

$64.99
$69.99
 

Combustion chamber insert manufactured from highest grade aluminum, with optimized combustion chamber shape suited for
Enduro racing.
Factory Cylinder Head Combustion Chamber Inserts - MX Setting
SXS13300061 - Fits TE 300 2014-16
SXS13250061 - Fits TC/TE 250 2014-15
SXS13125061 - Fits TE 125 2014-15, TE 125 2014-16
SXS13085061 - Fits TC 85 2014-17

$64.99
$64.99
$59.99
$119.99
 

Aluminum combustion chamber insert with optimized combustion chamber shape suited for Motocross racing. 
Factory Cylinder Head Combustion Chamber Inserts - Extreme Setting
SXS16125081 - Fits TC 125 2016-18, TX 125 2017
SXS13125081 - Fits TC 125 2014-15, TE 125 2014-16
SXS16150081 - Fits TE 150 2017-18
-------------------------------------------------------------
SXS13250081 - Fits TC/TE 250 2014-16
SXS13300081 - Fits TE 300 2014-16
-------------------------------------------------------------
SXS13085081 - Fits TC 85 2014-17

$109.99
$109.99
$114.99
---------
$159.99
$159.99
---------
$119.99
 

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).
Factory Cylinder Head Combustion Chamber Inserts - XC Setting
Fits TC/TE 250 2014-16
SXS13250091
$69.99
 
Combustion chamber insert manufactured from highest grade aluminum for more torque.
SXS Cylinder Kit
Fits KTM TC 125 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 TC 125 2014-15
SXS14125007
$999.99
 
This complete cylinder consists of specially machined components, each with minimized tolerances. This guarantees more power throughout the entire rev range.
Larger Images

Larger Images
Exhaust Flange Guard 55437994044
Exhaust Flange Guard 24537994044
 
Factory Piston SXS16125907 / SXS16150907
Specially developed high-performance piston for 2016 125 SX 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.
  
Factory Spark Plug SXS02125071 Factory Digital Box SXS15125390
 

Robust factory spark plug:
   Iridium center electrode tip
   Reinforced earth electrode (against vibration and breakage)
   Special design with improved anti-rusting properties
Husqvarna recommends use of the factory spark plug when fitting power-boosting parts, such as factory cylinder heads, factory silencers or the factory CDI.

The ignition curve of the factory CDI unit is specially tuned to the use of fuel with at least 98 octane. The benefits:
   Higher peak power
   Higher revs
   Best possible performance
Husqvarna recommend use in combination with a factory silencer and the factory spark plug. Use of the factory digital box on the TE 125 is only practical in combination with a factory silencer.
TC 150 Conversion Kit SXS16150000 TC/TE 300 Conversion Kit
TC 105 Conversion Kit SXS16105000
 
SXS13300044 Factory Cylinder Head with variable combustion chamber - Fits TE 300 2014-16
The factory cylinder heads with variable combustion chamber are a must for every racer. 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, we recommend combining the factory cylinder heads with the following parts: 
   Factory silencer

CAUTION:  The carburetor jetting must be adjusted to the selected combustion chamber insert and your vehicle model year
(e.g. selected combustion chamber insert = Motocross type; vehicle = TE 300 MJ 14; carburetor jetting to be selected = TC 250 MJ 14).
The carburetor jettings for models 250 and 300 are identical.
When using the "EXTREM" combustion chamber insert, always select the TC carburetor jetting of your vehicle model year.
More information on the carburetor jetting can be obtained from your authorized dealer. Without combustion chamber insert.
SXS13250044 Factory Cylinder Head with variable combustion chamber - Fits TC/TE 250 2014-16
The factory cylinder heads with variable combustion chamber are a must for every racer. 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, we recommend combining the factory cylinder heads with the following parts:
   Factory silencer

CAUTION:  The carburetor jetting must be adjusted to the selected combustion chamber insert and your vehicle model year (e.g. selected combustion chamber insert = Motocross type; vehicle = TE 250 MJ 14; carburetor jetting to be selected = TC 250 MJ 14).

When using the "EXTREM" combustion chamber insert, always select the TC carburetor jetting of your vehicle model year. More information on the carburetor jetting can be obtained from your authorized dealer. Without combustion chamber insert.
SXS13125044 Factory Cylinder Head with variable combustion chamber - Fits TC 125 2014-15, TE 125 2014-16
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, Husqvarna recommend combining the factory cylinder heads with the following parts:
   Factory spark plug
   Factory digital box
   Factory silencer
CAUTION:
The carburetor jetting must be adjusted to the selected combustion chamber insert and your vehicle model year (e.g. selected combustion chamber insert = Motocross type; vehicle = TE 125 MJ 14; carburetor jetting to be selected = TC 125 MJ 14). 
When using the "EXTREM" combustion chamber insert, always select the TC carburetor jetting of your vehicle model year.

More information on the carburetor jetting can be obtained from your authorized dealer.
Without combustion chamber insert.
SXS15085044 Factory Cylinder Head with variable combustion chamber - Fits TC 85 2014-17
The factory cylinder heads with variable combustion chamber are a must for every racer. 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.

Without combustion chamber insert.
Factory Cylinder Head Combustion Chamber Inserts -
      Enduro / MX
Factory Cylinder Head Combustion Chamber Inserts -
      Extreme / XC
Factory Cylinder Kit SXS14125007
 
Husqvarna Accessories:   701   Brakes   Carbon   Chain/Sprockets   CNC Parts Anodized   Cooling   Exhaust  
Factory Parts/Engine   Filters   Footpegs  Handlebar/Instruments/Electric   Luggage   Navigation   Plastic Parts/Decals  
Protection   Seats   Suspension   Tanks   TC 85   Tools/Transportation  
Wheels   701 Enduro/Supermoto