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MIKUNI offers this carburettor jet. A carburettor mixes the air drawn in by the engine with the right amount of fuel, and it is the jets that meter that fuel.
The benefits:
Mikuni, founded in Japan in 1923, is known for supplying carburettors to many major Japanese manufacturers; its TMX38 is original equipment on Yamaha YZ125s and KTM 150 and 250 two-strokes: Mikuni jets, needles and slides are the original parts for these carburettors.
A jet blocked by fuel deposits or dirt, or with its orifice enlarged by cleaning it with wire: the engine is hard to start, idles unevenly or stutters at full throttle.
Available in several sizes.
Cross-Mania tip: Start from the stock size, change one step at a time and check the spark plug colour and how the engine responds after each test; screw the jet in without forcing it, as its thread is fine.
Universal part: check the dimensions given before ordering.
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