Cylinder Head, Rocker Cover & Thermostat
part # model applied date qty interchange superceded
from to newer former
ASSY-THERMOSTAT 76.5C FOR TROPICAL USE
21200-78502 OP A12 1
ASSY-THERMOSTAT 82C
21200-78500 A12 CRANK 1
21200-A3001 A12 EXHAUST & EVAPO 1
ASSY-THERMOSTAT 88C FOR WINTER
21200-A3005 OP A12 1