Product info:
This is the OS B2103 Type R engine with OS T2100SC exhaust system.
The OS B2103 Type R engine is a 5-port long-stroke engine that offers great power at medium-high speeds. The crankcase, the crankcase cap and the carburetor feature a new design. The new DLC-coated crankshaft has two tungsten counterweights for smooth rotation and better balancing. It shares the same new features as the Type S engine except the cylinder and the cooling head which has a standard round shape.
Features:
Technical specifications:
port 5-port
This is the OS B2103 Type R engine with OS T2100SC exhaust system.
The OS B2103 Type R engine is a 5-port long-stroke engine that offers great power at medium-high speeds. The crankcase, the crankcase cap and the carburetor feature a new design. The new DLC-coated crankshaft has two tungsten counterweights for smooth rotation and better balancing. It shares the same new features as the Type S engine except the cylinder and the cooling head which has a standard round shape.
Features:
Technical specifications:
port 5-port
UR0521-12
UR0522-12
UR0522-6
UR0523-12
UR0523-6
UR0524-12
UR0524-6
UR0525-12
UR0525-6
UR0527-12
UR0527-6
UR0536-12
UR0531-12
UR0531-6
UR0532-12
UR0532-6
UR0533-12
UR0533-6
UR0534-12
UR0534-6
UR0535-12
UR0537-12
UR0537-6
UR0632-B10