Vilebrequin Stage6 HPC course 45mm / bielle de 90mm Minarelli AM6

High quality tuning components from Stage6: Stage6 HPC crankshaft stroke 45 mm / connecting rod 90 mm Minarelli AM6, perfect complement to high-end racing and racing cylinders.

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The tuning specialist Stage6 developed this High Compression Primary (HPC) crankshaft specifically for Stage6 88cc cylinder kits (Big Racing + Streetrace).

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The webs of this crankshaft high quality full circle; are slightly more light weight and, together with the light alloy counterweights, the balance of this crankshaft is; excellent. The connecting rod, specially designed for this crankshaft, offers considerably higher resistance since & eacute; & egrave; 14 mm wide (instead of 12 mm); this reduces the wear of the bearings by increasing stability; even at speed; extremely high.

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In this version, the connecting rod is; 90 mm long / for a stroke of 45 mm.

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This HPC crankshaft is; was built for tuned engines and of course the Streetrace and Big Racing 88cc kits aren't the only cylinders this crankshaft can do with. be used. You can combine it with all high-end racing and racing cylinders that need to be driven with a 45mm stroke crankshaft.

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Installation of new crankshaft bearings, new oil seals and the use of high quality Stage6 gear oil. You will find the recommended products at the bottom of the page.

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Note:

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Most Minarelli AM6 cylinders comes standard with an 85mm connecting rod. You will need to compensate for the difference in height with a 5mm spacer (except on Stage6 cylinders).

The crankcase must be slightly milled; calculate in advance with precision, arrange the parts and paint the correct dimensions on the case to make the passage of the connecting rod clearly visible.

Technical data:

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connecting rod: 90mm (original 85mm)

stroke: 45mm (original 39mm)

piston pin: original (12mm)

end bearing; small: 12x17x15mm

weight: 1320 g

speed maximum: 16,000 rpm

use: Racing / High End Racing