Description
Stage6 BigRacing 86cc / 88cc aluminum cylinder Minarelli AM6
Stage6 has dedicated itself to the development of high-performance tuning parts and is constantly taking on new challenges, which is why they are now also launching cylinders for 50cc motorcycles. For Minarelli AM6: Cylinder Stage6 BigRacing 88cc.
Design Stage6 Big Racing
The Stage6 development team has developed an innovative cylinder designed for simplicity, performance and reliability.
In terms of looks, the BigRacing is rather inconspicuous, but appearances are deceptive. The cylinder is an original “Big Bore” cylinder, i.e. it is not based on a standard cylinder that has simply been opened up on, but has been designed as a genuine Big Bore kit with matching transfer ports and a large exhaust that supports the extra power of the cylinder.
Advantages of Stage6 Big Racing Kits:
The BigRacing cylinders’ strong points are simple installation, top performance and high reliability.
Simple installation: Installation is extremely easy and, above all, no milling work needs to be carried out on the engine block. The squish clearance is preset to a value optimized for the respective engine type.
Top performance: In terms of performance, the BigRacing impresses across the board: on our P4 test bench, we measured a full 27 hp and 13.6 Nm with the 88cc Big Racing; a standard setup was used (24mm carburetor, original ignition, racing exhaust, etc.)
High reliability: The cylinder’s timing is relatively low, the cooling volume is quite large and the piston is of extremely high quality (Vertex) – all factors that make the cylinder very reliable and robust, provided that the setup and settings are correct.
Big racing setup
To get the most out of the 86 – 88 AM6 Alu Stage6 kit and achieve the highest performance, we recommend combining it with at least the following components:
- A PWK carburetor
- A reed valve such as the Vforce3 reed valve from Stage6
- A racing exhaust such as the Stage6 R/T 80 – 90 low mount exhaust
- A reinforced clutch
- An internal rotor ignition such as the MVT Digital Direct
Big Racing: 86 cc or 88 cc
Big Racing 86
You can use the cylinder kit in combination with a crankshaft with 44mm stroke / 85mm connecting rod, which gives you a displacement of 86cc.
Big Racing 88
To achieve a displacement of 88cc, it must be used in combination with a crankshaft with 45mm stroke / 90mm connecting rod, together with the 5 mm base gasket included in the kit.
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- It is essential for installation with 90mm connecting rod, longer stud bolts M7x118mm to be used.
- Depending on the year of manufacture of your vehicle, it may be necessary to open up the crankcase.
The cylinder kit includes:
- 86cc / 88cc cylinder, 50mm bore, aluminum, 44mm stroke + 85mm connecting rod / 45mm stroke + 90mm connecting rod, with 5 transfer ports and bridged exhaust (32mm)
- Vertex 1-ring piston, 50mm diameter
- High-compression cylinder head, one-piece, aluminum
- Gasket set (base and head gaskets)
- 5mm cylinder base spacer for mounting a crankshaft with 45mm stroke / 90mm connecting rod
- WITHOUT ROAD APPROVAL
