- Data Sheet
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DetailsThe cylinder that has been breaking records! It set new best times in the Italian Open Cup and also broke the 6-second barrier in scooter dragracing.
Regarding transfer port layout, Stage6 has maintained GP standards, refraining from cross-section reducing 7- or 8-port designs. After all, “more” isn’t necessarily “better”.
The 47.6 mm bore conforms to the rules of most 70cc racing classes.
The patented modular construction allows for quickly mounting the cylinder to different engines using adaptors. Sealing between adaptor plate and cylinder is realized via a Viton® O-ring; this makes the tedious cleaning of sealing surfaces and replacing gaskets unnecessary. Once the adaptor plate has been mounted and adjusted via gaskets, it won’t have to be readjusted later.
The CNC-milled adaptor plate bolts to the engine case and accepts the cylinder via the external studs. The construction of the R/T 70cc cylinder doesn’t use any continuous studs, so the design of exhaust and transfer ports isn’t subject to the restrictions that conventional racing cylinders face, and further tuning and porting reserves are available.
Particular attention has also been paid to the cylinder’s thermal properties. The CNC-milled inner cylinder head is bolted at five points, each of them thermally stabilized by its own cooling pocket. Thus the critical areas at the studs that tend to lead to piston seizures have been eliminated.
The flange firmly connects the cylinder to the exhaust via three bolts, minimizing the leakage of fuel residues. Fitting flanges are available for all common racing exhausts, and do-it-yourself kits can also be supplied. The kit includes an exhaust flange that fits the Stage6 R/T exhaust and installation instructions.
Attention: In order to be able to install the cylinder, it is necessary to open up the crankcase to 56.7 mm. In case of loss or defect of mounting parts, please use STRICTLY Stage6 replacement parts, as failure to do so may result in damage beyond repair! You can find the (German) installation instructions HERE; versions in other languages will be available soon.
Name Cylinder Stage6 R/T 70cc MK I Item No. S6-7514001 Brand Stage6 R/T Homologation No Homologation No Displacement 70cc Stroke Original Conrod Length 85 mm Product Line Hyper racing Material Aluminium Bore 47,6 mm Piston Pin Original
Your product goes with the following manufacturers and their models:
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SR 50cc R Factory i.e. LC (after 2005) - Piaggio Engine
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GP 1 Replica 50cc
GP 1 Revolution 50cc
DNA 50cc LC
Runner 50cc LC (1999 - 2000)
Runner 50cc LC (after 2004)
Runner 50cc LC (before 1999)
Runner 50cc LC CAT (after 2001)
Runner SP 50cc LC (after 08/2004)
NRG 50cc LC
NRG Power DD 50 (after 2005)
NRG mc2 50cc LC (after 1998)
NRG mc2 50cc LC (before 1998)
NRG mc2 DD 50cc LC (after 1998)
NRG mc2 Extreme 50cc LC
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NTT 50cc LC
Quartz 50cc LC
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2 Reviews - Total Rating
Nice Hi-End stuff - Review by Artūrs
Awesome product, accept!
Good Produkt Super for Race Hi-End. - Review by Sergey
Great product, gonna buy more.
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