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Power jet -MIKUNI (type: N102221) TMX38 (5mm)- (75)
Part no.:
7672572
Description
Many carburettors of Japanese origin have a so-called power jet system.
AI-translation
This refers to an additional jet system that is only activated under full load. The jet responsible for this is usually positioned close to the air intake of the carburettor. If under full load a large negative pressure is created in the edge zone of the intake funnel, where the nozzle is installed, petrol is injected into the air flow via a hose coupled to the power jet nozzle. The hose leads into the float chamber and receives the fuel there, usually this looks like a riser pipe, in operation you can follow on a test bench with a transparent hose how the fuel level rises with increasing speed and slide opening of the carburettor and then supply the powerjet nozzle with fuel.
The purpose of this technology is to make highly stressed two-stroke racing engines in the full load range safer with regard to their susceptibility to overheating.
However, the Powerjet nozzle size is not added, but the actual main nozzle is chosen to be smaller in relation to it. This has the advantage that the throttle response and the power curve is usually better, without which the engine would then stall under full throttle. Thus also a racing engine can be fired cleaner and with less fuel consumption.
Particularly with a very steep rise of the power curve and a usually associated bad power curve in the lower speed range, the powerjet system can help to realize a well drivable engine.
- Head diameter: 6.0mm
- Thread: M5 x 0.75
- Total length: 9.0mm
- Thread length: 5.0mm
- 30 - 190 ( step 2.5 )
- 195 - 230 ( step 5 )
- Designation by Mikuni: N102221
Used in:
- TM38-157
- TM38-131
- Mikuni Power Jet Kits
AI-translation
€6.39 *
incl. VAT plus shipping costs
Available immediately (delivery time 1-3 working days*)
P
For this item you get
fidelity point/s
| Carburettor jets | |
|---|---|
| used with carburettors brands: | Mikuni |
| jet type (manufacturer code): | N102221 |
| used as main jet in: | Mikuni VM13 |
| used as power jet in: | Mikuni TMX38-131, Mikuni TMX38-157 |
| diameter head: | 6 mm |
| thread: | M5 x 075 |
| length of thread: | 4 mm |
| total length: | 9 mm |
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