Engine Code |
Model Name and Date |
Gearbox Oil Required |
Picture of a typical example (click to enlarge) |
Codes OA to OK |
1930s to 1940s. Various Capacities and powers parts virtualy impossible to source |
EP-140 |
|
FV |
Little Model Forty (1949 - 1954) |
EP-140 |
|
FVP |
Forty Plus (1949 - 1953) |
EP-140 |
|
LM |
Forty Minus (1954 - 1955) |
EP-140 |
Picture Still Required |
LS |
Forty Plus (1953 - 1957) |
EP-140 |
   |
SJM |
Forty Minus (1955 - 1967) |
EP-140 |
|
F |
Forty Featherweight (1967 - 1976) |
EP-140 |
 |
GF |
Forty Featherweight (1977-1978) |
EP-140 |
Picture Still Required |
FS |
Forty Featherweight (1978-1979) |
EP-90 |
Picture Still Required |
GFS |
Forty Featherweight (1978-1979) |
EP-90 |
Picture Still Required |
EFS |
Forty Featherweight/Model 45 (1979-1984) |
EP-90 |
Picture Still Required |
SJP |
Forty Plus (1956 - 1967) |
EP-140 |
Picture Still Required |
FP |
Forty Plus Mark 2 (1967-1979) |
EP-140 |
Picture Still Required |
GFP |
Forty Plus Mark 2 (1976-1979) |
EP-140 |
Picture Still Required |
FPC |
Forty Plus with Clutch (1978 - 1979) |
EP-90 |
|
GFPC |
Forty Plus with Clutch (1978 - 1979) |
EP-90 |
|
EFPC |
Forty Plus with Clutch/Model 55 (1979-1989) |
EP-90 |
|
AFPC |
Forty Plus with Clutch/Model 55 (1983 - 1984) |
EP-90 |
|
LLS |
Century 100 (1956 - 1967) |
EP-140 |
|
W |
Century 100 (1967 - 1973) |
EP-140 |
Picture Still Required |
CP |
Century Plus (1957 - 1967) |
EP-140 |
Picture Still Required |
WP |
Century Plus (1967 - 1969) |
EP-140 |
Picture Still Required |
CPC |
Century Plus with Clutch (1959 - 1967) |
EP-140 |
Picture Still Required |
WPC |
Century Plus with Clutch (1967 - 1973) |
EP-140 |
Picture Still Required |
S |
Silver Century (1966 - 1969) |
EP-140 |
Picture Still Required |
WS |
Silver Century (1969 - 1979) |
EP-140 |
|
WSC |
Silver Century with Clutch (1978 - 1979) |
EP-90 |
Picture Still Required |
ESC |
Silver Century with Clutch/Model 75 (1979 - 1990) |
EP-90 |

Note Long shaft version pictured |
SP |
Silver Century Plus (1966 - 1969) |
EP-140 |
|
SPC |
Silver Century Plus with Clutch (1966 - 1969) |
EP-140 |
Picture Still Required |
WSPC |
Silver Century Plus with Clutch (1969 - 1979) |
EP-140 |
 |
ESPC |
Silver Century with Clutch (1979 - 1996) |
EP-90 |
Picture Still Required |
EFNR |
Models 90/110 (1979 - 1991) |
EP-90 |
|
SDP |
102cc Short water Jacket Direct Drive (1942 - 1946) |
EP-140 |
Picture Still Required |
HSD |
Model 102 Plus Clutch Drive (1946) |
EP-140 |
Picture Still Required |
HC |
Model 102 Plus Clutch Drive (1946) |
EP-140 |
Picture Still Required |
C |
Model 102 Clutch Drive (1946) |
EP-140 |
Picture Still Required |
D |
Model 102 Direct Drive (1946) |
EP-140 |
Picture Still Required |
AC |
Model 102 with Clutch (1946 - 1956) |
EP-140 |
|
TC |
Model 102 with Clutch (1956 - 1966) |
EP-140 |
|
WC |
Model 102 with Clutch (1967 - 1973) |
EP-140 |
Picture Still Required |
AD |
Model 102 (1946 - 1956) |
EP-140 |
Picture Still Required |
TD |
Model 102 (1956 - 1967) |
EP-140 |
Picture Still Required |
WD |
Model 102 (1967 - 1973) |
EP-140 |
Picture Still Required |
AHC |
Model 102 Plus with Clutch (1946 - 1956) |
EP-140 |
Picture Still Required |
THC |
Model 102 Plus with Clutch (1956 - 1967) |
EP-140 |
Picture Still Required |
WHC |
Model 102 Plus with Clutch (1967 - 1973) |
EP-140 |
Picture Still Required |
K |
Kingfisher with Forward and Reverse (1987 - ?) |
EP-90 |
Picture Still Required |
KC |
Kingfisher with Clutch Only (1987 only) |
EP-90 |
Picture Still Required |
O (Letter) |
Osprey (1987 -?) |
EP-90 |
|
C |
Curlew (1988 -?) |
EP-90 |
|
GEF,AF,EF,SEF,TSEF |
Forty Featherweight (1983 -?) |
EP-90 |
Picture Still Required |
AFPW,EFPW |
Forty Plus Direct Drive (1983 -?) |
EP-90 |
Picture Still Required |
EFPC,SEFPC,TSEFPC |
Forty Plus with Clutch (1983 -?) |
EP-90 |
Picture Still Required |
EN |
Model 170 (model with the cowling) (1982 - 1987) |
EP-90 |
 |
ENC |
Model 125 (model with the cowling) (1984 - 1986) |
EP-90 |
Picture Still Required |