Engine 2 Stroke

This combustion chamber insert is made of a specially developed alloy. The excellent conductivity of this alloy increases the performance of your engine in...

Specially developed high-performance piston with the following properties: - Higher performance across the entire power band - Higher peak power -...

Specially developed high-performance piston with the following properties: - Higher performance across the entire power band - Higher peak power -...

The SXS cylinder heads with variable combustion chamber are a must for every racer. The aluminium alloys and optimised combustion chamber shapes...

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...

SXS COMBUSTION CHAMBER INSERT MX
Combustion chamber insert manufactured from highest
grade aluminum, with optimized combustion chamber
shape suited for Motocross racing.

SXS.13.125.061
125 SX 07 – 14

SXS.13.144.061
144 / 150 SX / XC 07 – 14

SXS.13.250.061
250 SX / XC / XC-W 07 – 14

SXS.13.300.061
300 XC / XC-W 08 – 14

SXS COMBUSTION CHAMBER INSERT ENDURO
Combustion chamber insert manufactured from highest
grade aluminum, with optimized combustion chamber
shape suited for Enduro racing.

SXS.13.250.071
250 SX / XC / XC-W 07 – 14

SXS.13.300.071
300 XC / XC-W 08 – 14

SXS COMBUSTION CHAMBER INSERT XC
Combustion chamber insert manufactured from
highest grade aluminum for more torque delivered
over the rev range.

SXS.13.250.091
250 SX / XC / XC-W 07 – 14

SXS CDI UNIT
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
– Best possible performance
We recommend use in combination with a factory
exhaust system and the SXS spark plug.

Part Number 503.39.931.000

Fits: 125SX '07-'14