R7 Evoke tech spec:
Sleeve with 7 inlet ports and exhaust port with boosters.
Silicon filled, balanced and tuned crankshaft.
New front high sealing bearing
Rear ceramic high quality bearing.
hard coating back plate.
Long needle carburetor.
Available with 6.5 and 7 mm venturi.
All parts are matched, measured by Mario within certain tolerances, hand built by him personally.
The engine leaves our factory with a hand inspection of all components and compression is checked.
Recommended with 2112 pipe and S manifold.