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DOMA Expansion Chamber for HUSQVARNA TC 125, TE 150, TX 125 and KTM SX 125, XCW 125 2016-2019
€242.90
Tax Included
DOMA expansion chamber for HUSQVARNA TC 125, TE 150, TX 125 and KTM SX 125, XCW 125 from 2016 to 2019. Handmade in Calais, France.
The DOMA 100385 expansion chamber is designed for HUSQVARNA TC 125, TE 150, TX 125 and KTM SX 125, XCW 125 from 2016 to 2019. On a two-stroke, the expansion chamber isn't just a pipe: its cones send back a pressure wave that fills the cylinder better at the right rpm. Its shape gives the engine its character, and a dented pipe costs power.
Key features
- Handmade in Calais, France.
- 1 mm raw steel, laser-cut parts, pressed and then welded on a jig.
- Developed on the dyno and on the track.
- Works with the stock silencer or a Doma silencer.
Specifications
- Brand: DOMA
- Manufacturer part number: 100385
- Engine: 2-stroke
Who is it for?
- Stock pipe dented or cracked after a crash.
- Looking for more response and more power.
Good to know
Competition use only: this pipe is not road-legal.
Fitting tips
- Reuse the stock connecting O-rings if they're in good condition (not included), or fit a new exhaust gasket.
- Offer up the pipe without forcing it, fit all the mounts, then tighten.
- Warm up the engine and check for leaks at the joints.
- Check the colour of the spark plug after the first few rides.
Why DOMA?
A French workshop based in Calais since 1992, Doma Racing designs and handbuilds two-stroke expansion chambers and silencers. A 125 world title in 2000 with Grant Langston and original equipment at KTM: a brand run by two-stroke enthusiasts.
Spare parts and items to plan
- Exhaust gasket : ATHENA S410270012020 · ATHENA M753004300094
- Spark plug : NGK 2707 · NGK 90908
Frequently asked questions
Do I need to change the silencer?
No: the pipe works with the stock silencer or a Doma silencer.
Is it road-legal?
No: for competition use on closed circuits only.
Compatibility
Check the exact model and year of your bike in the list below before ordering.
Fits:
HUSQVARNA TC 125 2018
HUSQVARNA TC 125 2017
HUSQVARNA TC 125 2016
HUSQVARNA TE 150 2019
HUSQVARNA TE 150 2018
HUSQVARNA TE 150 2017
HUSQVARNA TX 125 2019
HUSQVARNA TX 125 2018
HUSQVARNA TX 125 2017
KTM SX 125 2018
KTM SX 125 2017
KTM SX 125 2016
KTM XCW 125 2019
KTM XCW 125 2018
KTM XCW 125 2017
Click on your bike to see all compatible parts.
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DOMA expansion chamber for HUSQVARNA TC 125, TE 150, TX 125 and KTM SX 125, XCW 125 from 2016 to 2019. Handmade in Calais, France.
DOMA Expansion Chamber for HUSQVARNA TC 125, TE 150, TX 125 and KTM SX 125, XCW 125 2016-2019
€242.90
Tax Included