The carburettors from the Japanese manufacturer Mikuni are in the reference class when it comes to perfect tunability and thus the highest achievable performance with optimum consumption. Mikuni carburettors and parts are manufactured with tolerances of 5/1000ths. This is one of the reasons why they run so perfectly. However, you should take a little time for tuning, because Mikuni carburettors do not run with any carburettor equipment, but only with the really suitable one. This means that they run perfectly and you don't expose the engine to the risk that it only runs well in some partial load ranges and then goes up in one of the other partial load ranges.
The TM24s work very well on the 125-180cc 2-stroke Piaggio automatic engines. The basic setup already fits here mostly very well, usually only the main nozzle has to be adjusted. The carburettor even fits with the original rubber connection, as well as the carburettor and air filter. The Mikuni carburettors react quickly to fine contamination of the fuel with an overflow of the float chamber. Therefore, ideally use a good fuel filter.
- Main jet: 190
- Idle jet: 15
- Needle jet: Q-0 ( 454 )
- Nozzle needle: 5N14-3
- Starter jet: fixed
- Idle jet propeller: 1.25 turn
- Main air nozzle: Fixed
- Gas slide: 3.0
- Needle valve: 2.5
- Float position: 21mm
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- Choke actuation: right / knob
- Standing gas screw: left
- Air screw: right
- Outer diameter front: 31mm
- Outer diameter rear: 44mm
- Overall length: 75mm
- measurement center venturi up: 60mm
- measurement center venturi down: 58mm
- fuel supply: left
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