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DOMA Expansion Chamber for YAMAHA YZ 125 2003-2004
€311.90
Tax Included
DOMA expansion chamber for YAMAHA YZ 125 from 2003 to 2004. Handmade in Calais, France.
The DOMA 100095 expansion chamber is designed for YAMAHA YZ 125 from 2003 to 2004. The expansion chamber is what gives a two-stroke engine its character. Well designed, it improves cylinder filling; dented by stones or crashes, it 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: 100095
- 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?
Doma Racing has been handcrafting its two-stroke exhausts in its workshop in Calais, France, since 1992. The brand won the 125 world title in 2000 with Grant Langston and supplies original equipment for certain KTM models.
Spare parts and items to plan
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.
Click on your bike to see all compatible parts.
No customer reviews for the moment.
DOMA expansion chamber for YAMAHA YZ 125 from 2003 to 2004. Handmade in Calais, France.
DOMA Expansion Chamber for YAMAHA YZ 125 2003-2004
€311.90
Tax Included