503 UL CDI Cylinder, Cylinder Head, Intake Manifold, Single Carburetor Configuration
503 UL CDI Crankshaft, Piston – Provision 8
A – Loctite 221 E – Anti-Seize I – Lithium-Base Grease O – Engine Oil
a – With 2 rings, standard; b – With 2 rings, 1st oversize; c – With 2 rings, 2nd oversize; d – standard size; e – 1st oversize; f – 2nd oversize; g – ATTENTION: Use only once!