<p> ENGINES WITH NUMBERS — ALPHA MODELS </p><p>Below are the Motors and Engines listed according to Model or Serial Number, along with the approximate dates that they were manufactured for commercial use: </p><p>DATE MODEL MODEL DATA</p><p>1948 August to 1962 9 Cast Iron December</p><p>1948 March to1963 September 14 Cast Iron</p><p>1949 August to 1956 August 6H Cast Iron</p><p>1949 August to 1953 April 6HF Cast Iron</p><p>1949 August to 1952 May 6HS Cast Iron</p><p>1949 June to 1957 June 5S Cast Iron</p><p>1949 September to 1957 July 6HSF Cast Iron</p><p>1949 August to 1957 June 8 Cast Iron</p><p>1949 January to1957 February 23 Cast Iron</p><p>1950 March to 1957 January 5 Cast Iron</p><p>1950 March to 1957 August 8HF Cast Iron</p><p>1952 June to 1957June 6 Cast Iron</p><p>1952 October to 1953 June 6AHS Cast Iron</p><p>1952 August to 1953 July 6AH Cast Iron</p><p>1953 January to 1957 July 8AHF Cast Iron</p><p>1953 May to Ju1y 1958 July 6BH Aluminum Casting</p><p>1953 May to 1958 July 6BHS Aluminum Casting</p><p>1955 June to 1958 July 6B Aluminum Casting</p><p>1955 June to 1958 July 6B Aluminum Casting 1955 June to 1958 July B Aluminum Casting</p><p>1955 June to 1958 July BH Aluminum Casting</p><p>1957 January to1965 August 23A Cast Iron</p><p>1958 June 60100 Kool Bore</p><p>1958 July 80300 Kool Bore</p><p>1958 July 80400 Kool Bore</p><p>1958 June to 1960 January 81700 Sleeve Bore</p><p>1958 June to1963 August 60700 Kool Bore</p><p>1958 July to1963 August 61700 Sleeve Bore</p><p>1958 June to1964 May 60500 Kool Bore</p><p>1958 July to May 1964 61500 Sleeve Bore</p><p>958 June to1964 July 80500 Kool Bore</p><p>1958 June to 1964 July 80700 Kool Bore</p><p>1958 December to 1964 80600 Kool Bore</p><p>1958 August to 1969 81400 Sleeve Bore December</p><p>1958 August to 1969 81100 Sleeve Bore December</p><p>1960 June 80200 Sleeve Bore</p><p>1960 May to1960 November 81600 Sleeve Bore</p><p>1958 July to 1965 July 140000 Kool Bore</p><p>1958 July to1970 January 61100 Sleeve Bore</p><p>1958 July to1970 January 61300 Sleeve Bore</p><p>1958 July to 1970 January & 81300 Sleeve Bore 1977 August</p><p>1958 July to 1971 August 60400 Kool Bore 1958 July to 1977 August 80100 Kool Bore</p><p>958 July to 1977 August to 41000 Sleeve Bore August</p><p>1959 July to June 1964 81900 Sleeve Bore</p><p>1958 September to 1965 July 343000 Sleeve Bore</p><p>1959 September to1960 80800 Kool Bore September</p><p>1959 September to1970 61400 Sleeve Bore January</p><p>1959 July to1964 November 80900 Kool Bore</p><p>1960 February to 1962 January 85500 Sleeve Bore</p><p>1960 May to1960 August 81800 Sleeve Bore</p><p>1960 August to1963 June 23C Cast Iron</p><p>1960 August to1963 March 60900 Kool Bore</p><p>1960 August to1963 March 61900 Sleeve Bore</p><p>1960 March to 1969 December 81200 Sleeve Bore</p><p>1960 July to1970 January 61200 Sleeve Bore</p><p>1960 August to 1971 August 60200 Kool Bore</p><p>1960 October to 1961 January 85900 Sleeve Bore</p><p>1960 October to1961 84500 Kool Bore September</p><p>960 December to1960 84700 Kool Bore September</p><p>961 November to 1987 August 100200 Kool Bore</p><p>1962 January to 1977 August 100900 Kool Bore</p><p>1962 May to 1965 July 142000 Kool Bore</p><p>1963 January to1965 August l9D Cast Iron 1963 April to1965 August 23D Cast Iron</p><p>1964 July to June 1965 June 82500 Kool Bore</p><p>1964 July to1965 August 82900 Kool Bore</p><p>1965 July to 1971 August 146400 Kool Bore</p><p>1965 July to 1966 August 91400 Cast Iron</p><p>1965 June to 1968 August 92500 Kool Bore/Choke-A-Matic</p><p>1965 June to 1968 August 92900 Kool Bore Choke-A-Matic</p><p>1965 August to May 1966 144000 Kool Bore</p><p>1965 August to 1966 August 145000 Sleeve Bore</p><p>1965 August to 1966 193400 Cast Iron September</p><p>1965 August 230000 Cast Iron</p><p>1965 August 240000 Cast Iron</p><p>1966 July 130900 Kool Bore</p><p>1966 July 130200 Kool Bore</p><p>1966 July 170700 Kool Bore</p><p>1966 August 10400 Kool Bore</p><p>1966 August to 1975 200000 Cast Iron</p><p>1966 November to 1971 30000 Cast Iron/Synchro-Balanced August</p><p>1967 October to 1969 April 171700 Kool Bore/Synchro-Balanced</p><p>1968 August 92900 Kool Bore/Automatic Choke</p><p>1968 August 92500 Kool Bore/Automatic Choke</p><p>1969 April to 1971 August 320000 Cast Iron/Synchro-Balanced</p><p>1969 June 190400 Kool Bore</p><p>1969 June 190700 Kool Bore 1971 June to 1972 August 301400 Cast Iron/Synchro-Balanced</p><p>1971 June to 1972 November 325400 Cast Iron/Synchro-Balanced</p><p>1972 September to 1977 302400 Cast Iron/Synchro-Balanced August</p><p>1972 February 326400 Cast Iron/Synchro-Balanced</p><p>1973 October 110900 Kool Bore</p><p>1973 May to 1977 August 251400 Kool Bore/Synchro-Balanced</p><p>1973 May to 1977 August 251700 Kool Bore/Synchro-Balanced</p><p>1976 August to 1983 August 111900 Kool Bore</p><p>1976 August to Aug 1983 111200 Kool Bore August</p><p>1977 August 252400 Kool Bore/Synchro-Balanced</p><p>1977 August 252700 Kool Bore/Synchro-Balanced</p><p>1977 November 253400 Kool Bore/Synchro-Balanced</p><p>1977 December to 1981 4014001 Kool Bore August</p><p>1977 December to 1981 401700 Kool Bore August</p><p>1978 July 131400111 Sleeve Bore I/C</p><p>1978 July 131900 Sleeve Bore I/C</p><p>1978 July 131200 Sleeve Bore I/C</p><p>1978 July to 1980 July 220400 Kool Bore</p><p>1978 July 220700 Kool Bore</p><p>1979 January to 1981 August 401430 Kool Bore</p><p>1980 April to1981 August 421700 Kool Bore</p><p>1980 May 62030 Kool Bore -Two Cycle</p><p>1980 August 94500 Automatic Choke Quiet Series 1980 August 94900 Automatic Choke Quiet Series</p><p>1980 August 113900 Kool Bore Quiet Series</p><p>1980 August to 1982 August 95500 Automatic Choke/Quiet Series</p><p>1980 August 221400 Sleeve Bore I/C</p><p>1980 August 222400 Kool Bore</p><p>1980 August 402400 Sleeve Bore I/C</p><p>1980 August 422400 Sleeve Bore I/C</p><p>1981 August 93500 Kool Bore/Automatic Choke</p><p>1981 August 112200 </p><p>1981 August 402700 Sleeve Bore I/C</p><p>1981 August 422700 SleeveBore I/C</p><p>1982 August 82200 SleeveBore I/C Quiet Series</p><p>1982 August 114900 SleeveBore I/C Quiet Series</p><p>1982 August 132200 Sleeve Bore I/C Quiet Series</p><p>1982 August 132400 Sleeve Bore I/C Quiet Series</p><p>1982 August 132900 Sleeve Bore I/C Quiet Series</p><p>1983 January 171400 Sleeve Bore I/C Quiet Series</p><p>1983 August 82300 . Sleeve Bore I/C Quiet Series</p><p>1983 August 82400 SleeveBore I/C Quiet Series</p><p>1983 August 112900 Sleeve Bore</p><p>1983 August to 1984 August 101120 Electric 120 Volt Moto</p><p>Sleeve Bore I/C Synchro- 1983 August 193700 balanced</p><p>1983 August 192700 Sleeve Bore I/C</p><p>1984 to October 90700 Kool Bore/Max Series 1984 to October 91700 Kool Bore/Max Series</p><p>1984 October 110700 Kool Bore/Max Series</p><p>1984 October 111700 Kool Bore/Quiet Max Series</p><p>1984 October 112700 Sleeve Bore/Max Series</p><p>Sleeve Bore I/C Synchro- 1982 August 253700 Balanced</p><p>Sleeve Bore I/C Synchro- 1984 August 254400 Balanced</p><p>1983 August to 1984 August 748000 Electric 120-Volt Motor</p>