Carburettor KEIHIN PWK 38 Air
connection engine: 46mm, con..
..nection filter: 63mm,
main jet 170, idle mixture jet
55, jet needle 48DDJ
The KEIHIN PWK flat slider series belongs to the absolute high end of carburettors. Extremely high quality and produced with minimal manufacturing tolerance level they are currently second to none in terms of quality and performance. YAMAHA has also decided on KEIHIN as an original equipment manufacturer in the area of PWK carburettors. The individual carburettor ranges can generally be delineated very easily and also set up with high precision. The KEIHIN PWK therefore responds quickly to throttle adjustment and delivers a solid performance across the entire rev range. This not only means it is the first choice in the area of motor racing, it is also indispensable for high performance tuned road engines either side of the 30 PS mark.
We stock the high performance KEIHIN PWK carburettors in the sizes 28-41mm. Above all else, the PWK 35 Airstriker is the perfect supplement to reed valve systems on an RD350 basis. The PWK 41 Pro is an elaborately reworked version with a CNC-turned air intake system. The KEIHIN carburettors are all fitted with a power jet which also reliably supplies the engine with sufficient mix at full throttle, even if a relatively lean main jet is chosen. Indispensable on the racing circuit.
Conclusion: High End tuning carburettor. Often copied but never equalled.
SIP-TIP: An optimum add-on to the MMW2 intake manifold (part no 408121J0). DELL’ORTO jetting kits (e.g. main jet part no KODB0010 and idle jet part no KODC0010) also make the tuning easier in this context!
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