Running In Period : 200 Miles
Spark Plug : NGK BR9EG
Ignition Timing : 20 Degrees BTDC / Vespatronic 26 Degrees BTDC @ 1500rpm
Cylinder Head Torque : 20Nm (15 lb/ft)
Special Notes
The cylinder head squish clearance should be 1.35mm.
The transfer ports on the engine casing should be matched to the cylinder.
Requires a 60mm long stroke crankshaft with a 126mm long conrod.