Tune-Up Kit Application Chart

Model	Year	Tune-Up Kits
1.5 / 2 / Junior®	1968-1990	172521
3	1952-1968	172522
4	1965-1976	172522
4	1981-1992	172522
5	1965-1968	172522
5.5	1954-1964	172522
6	1965-1976	172522
7.5	1956-1958	172522
9.5	1964-1973	172522
9.9	1974-1976	172806
10	1954-1963	172522
15	1956	172522
15	1974-1976	172806
18	1957-1961	172522
18 / 20	1962-1973	172523
25	1955	172522
25	1969-1976	172523
28	1962-1964	172523
30	1956	172522
33	1965-1970	172523
35	1958-1959	172522
35	1976	172806
40	1960-1961	172522
40	1962-1973	172523
40	1974-1976	172806
40 Commercial	1981-1983	172806
50	1958-1959	172524^*
60	1964-1966	172524^*
60	1967	172525^*
75 Magneto Ignition	1960-1965	172524^*
80 Magneto Ignition	1966	172524^*
75 / 80 Battery Ignition	1961-1967	172525
90	1964-1965	172525
100	1966	172525