Cox

Cox Two-cycle Engines

Listed below are the various series of the Cox 2-Cycle Engines and some data regarding them.
SERIES MANUFACTURE
DATES
CYCLE BORE STROKE DISPLACEMENT HORSE POWER SPARK PLUG TYPE SPARK PLUG GAP
*SPARK PLUG: Recommended plug is 14 mm., 3/8″ (J8 Champion or AC CS45T)
(SOURCE: Some of the data is from “Small Engines Service Manual”)
**140 1959-61 1.250 1.136 1.4 1 1.4 *CJ8 or AC CS45T 0.025
**170 10/1960-
01/1996
1.375 1.136 1.7 1 1/2 1.4 CJ8 or AC CS45T 0.025