PROP CHART FOR 4-STROKE MOTORS
MOTOR SIZE
(cu. in.)
STARTING
PROPELLER
ALTERNATE
PROPELLERS
.20 ~ .21 9-6 9-5, 10-5
.40 11-6 10-6, 10-7, 11-4, 11-5, 11-7, 11-7.5, 12-4, 12-5
.45 ~ .48 11-6 10-6, 10-7, 10-8, 11-7, 11-7.5, 12-4, 12-5, 12-6
.60 ~ .65 12-6 11-7.5, 11-7.75, 11-8, 12-8, 13-5, 13-6, 14-5, 14-6
.80 13-6 12-8, 13-8, 14-4, 14-6
.90 14-6 13-8, 14-8, 15-6, 16-6
1.20 16-6 14-8, 15-6, 15-8, 16-8, 17-6, 18-5, 18-6
1.6 18-6 15-6, 15-8, 16-8, 18-6, 18-8, 20-6
2.40 18-10 18-12, 20-8, 20-10,
2.70 20-8 18-10, 18-12, 20-10,
3.00 20-10 18-12, 20-10, 22-8

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