OMC Sterndrive 1981-1985
Siffrorna i illustrationen nedan hänvisar till motsvarande siffra i nedanstående tabell.
Tabellen beskriver innebörden av den markerade delen av modellnumret.

| 
 1  | 
 1982-1985  | 
 Engine Size in Litres  | 
| 
 2  | 
 1982-1985 Carburetor:  | 
 2 or 4 Barrel  | 
| 
 3  | 
 1981  | 
 Engine Size in Horsepower  | 
| 
 4  | 
 Trim System:  | 
 F = Fixed S = SelecTrim®  | 
| 
 5  | 
 Steering:  | 
 P = Power T = Tru-Course®  | 
| 
 6  | 
 Exhaust:  | 
 H = High-Rise M = Mid-Rise  | 
| 
 7  | 
 Propeller Rotation:  | 
 C = Counter-Rotation R = Right Hand  | 
| 
 8  | 
 Model Year Designation:  | 
 Randomly chosen each model year. (se nedan)  | 
| 
 9  | 
 Model Year Version:  | 
 Randomly chosen for each major non-interchangeable change.  | 
| 
 MODEL YEAR DESIGNATION  | 
 SALES YEAR  | 
| 
 CIF, CIS  | 
 1981  | 
| 
 CNC, CNG  | 
 1982  | 
| 
 CTR  | 
 1983  | 
| 
 CRA, CRJ  | 
 1984  | 
| 
 COM, COK  | 
 1985  |