- Data Sheet
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If you want to upgrade your two-wheeler for everyday street use, have a look at this excellent pack: Stage6 Tuning Kit 50cc MKII Evolution 2. We selected only premium quality components so you don't have to spend time and effort on looking for parts that perfectly complement each other.
Developed in collaboration with MXS Racing. It comes with a 2-ring piston, is made of Nikasil-plated aluminium, has 5 transfer ports and an oval-shaped exhaust port. The most important technical innovation: 2 additional intake ports which result in a performance comparable to a 1-ring piston racing cylinder.
The Yasuni R exhaust is basically between the Yasuni Z and the Yasuni C16, ideally suited for 50cc and 70cc sports and racing cylinders.
HQ clutch for improved off-the-line to top-end acceleration.
The roller tracks and the back of the variator are hard coated to make them highly wear-resistant, reduce friction and improve acceleration.
This carburetor (PHBG 19mm) by MotoForce will improve the performance of your engine considerably. It has a separate oil injection and a vacuum port. Starter is a manual cable choke.
Definitely a perfect compromise between reliability for everyday riding and outstanding performance. Needless to say, you can optimize performance by adjusting the carburetor (jetting) and variator (weight and spring adjustment).
And to round it all off for maximum power, we recommend running this set-up with a Malossi CDI. This should add up to 10hp.
Name Stage6 Tuning Kit 50cc MKII Evolution 2 Yamaha BW's / Slider Item No. MS-PKMS650MKIIEVO2 Brand Stage6 Homologation Yes Displacement 50cc Stroke Original Conrod Length Standard Product Line Racing Material Aluminium Engine Type 2-stroke Cooling Type AC Bore 40 mm Piston Pin Original Number of Piston Rings 2 Cylinder Head Included
Your product goes with the following manufacturers and their models:
Amico 50cc AC (1991 - 1992)
Amico 50cc ac (after 1993)
Amico GL 50cc AC
Amico Sport 50cc AC
SR 50cc AC (before 1994) - Minarelli vertical
Pista 2 50cc AC
Pista 50cc AC
Booster 50cc AC (1992 - 1999)
Booster 50cc AC (after 2004)
Booster Next 50cc AC (after 1999)
Booster Next 50cc AC (before 1999)
Booster One 50cc until 2013
Booster Rocket 50cc AC
Booster Spirit 50cc AC (before 2004)
Booster Track 50cc AC
Stunt 50cc AC
Stunt 50cc AC CAT (after 2004)
Stunt Naked 50cc AC
BW's 50cc AC
BW's 50cc AC (after 2004)
BW's Bump 50cc AC
BW's Easy 50cc 2013
BW's NG 50cc AC (after 1999)
BW's NG 50cc AC (before 1999)
BW's Spy 50cc AC
Slider 50cc AC (before 2004)
Slider 50cc AC CAT (after 2004)
Zuma 50cc AC
Zuma II 50cc AC
Stage6In Stock - Same Day Dispatch for orders placed before 2pm.The ultimate cylinder for vertical Minarelli engines: the Stage6 Cylinder Kit MKII Sport 50cc Yamaha BW's / Slider, a street to midrace cylinder at an affordable price. Learn More
YasuniIn Stock - Same Day Dispatch for orders placed before 2pm.Yasuni Exhaust R Aluminium MBK Booster / Stunt by renowned Spanish manufacturer Yasuni. In terms of performance, the Yasuni R lies between The Yasuni Z and the Yasuni C16. Ideally suited for 50cc and 70cc sports and racing cylinders. To exploit its full potential, we recommend combining it with a 17.5mm carburetor (minimum) and a sports variator. Street-legal. Aluminium silencer. Learn More
MotoForce RacingIn Stock - Same Day Dispatch for orders placed before 2pm.MotoForce, a manufacturer specializing in parts and accessories for powered 2-wheelers, with a MotoForce Carburetor "Black Edition" PHBG 19mm for a very good price. A carburetor that will noticeably increase the output of your engine. It has a vacuum and an oil injection port. Manual cable choke. The advantage of this version is its float bowl screw allowing for quick changing of the jet. The black paint adds a "racing" touch. We recommend getting a set of jets so you can properly adjust your carb. Note: make sure you have a proper manifold for rubber mounting, this is not a solid mount carb! Learn More
Stage6In Stock - Same Day Dispatch for orders placed before 2pm.Stage6 Clutch "Sport Pro". Stage6 clutch for everyday use, developed for 50cc and 70cc sports engines. Stripped down and simpler than Stage6's high-end "Torque Control" clutch (concerning adjustment options), this sports clutch is a great choice if you don't ride a tuned racing engine. It has 3 robust clutch shoes that are held in place by a reinforced ring and screws (instead of standard rivet bolts). It will get you improved take-offs and acceleration. d = 107mm. Learn More
Stage6Not available.Stage6 Variator Sport Pro MBK Booster / Nitro, value for money sports variator. This variator was designed for use with all 50cc cylinders and 70cc sports cylinders. The roller tracks and the back of the variator are hard coated to make them highly wear-resistant. The running surface is uncoated. On the one hand this reduces the running surface's lifespan, on the other hand the increased friction results in better performance. As there is no coating to flake off (as happens with chrome-plated surfaces), premature wear or breaking of the belt is avoided. The kit includes a Stage6 variator Sport Pro with ramp plate and sleeve, 2 shims, a medium torque spring and 1 set of roller weights (16x13 - 5g). Learn More