Open sport manifold for full power and top speed.
The throttling of engine power and speed via a manifold is still a popular means for many scooter manufacturers to adapt their 2-stroke engines to the legal requirements of the respective country. For this purpose, the manifold is either tapered in cross-section and/or made longer than necessary. Some designs also have additionally welded-on tubes which additionally cap the power and speed.
Through this open elbow, with a large cross-section and short guide length, both the power and the attainable final speed (= final speed) are increased significantly.
By replacing the elbow, the acceleration increases significantly, the final speed increases to about 60km/h (unless an additional moped throttle is installed). Ideally, the throttle in the variomatic (throttle ring), which is usually present, should also be removed after installing such a manifold. Otherwise the engine will constantly turn too high under full load. If this throttle is also removed, top speeds of more than 70 km/h are reached.
If there is still a hose left after the installation of the new elbow, it can be closed without hesitation and fixed with a cable tie. The hose is for the original used secondary air system which only blows fresh air into the exhaust gases to improve the exhaust gas values.
An adjustment of the carburetor main jet is not necessary. This manifold is not road legal. The delivery includes exhaust gaskets. Important note: This tuning manifold fits only on scooters, which use an original exhaust silencer that looks like a classic 2-stroke racing bulb. If the vehicle has a heat shield at the exhaust, the manifold offered here does not fit. (Then please use article 3LL3711C).
Please also pay attention to the orientation of the flange picture before ordering. The graphic in the product pictures shows a clock with the orientation of the respective holes in the flange. This means that if you take off the muffler and look only at the mounted manifold on the vehicle, the orientation of the holes should correspond to those in the graphic.
Fits the following models:
Benelli-49X QuattronoveX 50 ATU-Explorer Race GT50 ATU-Explorer Race GT50 Limited ATU-Explorer Race GT50 special model EM 2012 Generic-XOR 50 Keeway-F-ACT 50 NKD Naked Keeway-F-ACT 50 Racing SP from year of construction2009 Keeway-RY6 50 until year of construction 2008 Keeway-RY6 50 from year of construction 2009 Keeway-RY8 50 EVO Keeway-RY8 50 Racing Keeway-RY8 50 SP Keeway-SWAN 50 from year of construction 2009 Sachs-Speedforce R Sachs-Speedjet 50 (US)
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