Maintenance Data:
| Oil to Gas ratio: |
5 % or 20:1 |
| Sparkplug: |
NGK B7HS or Bosch 225 shortie |
| Engine Oil: |
Sae 15/50 300 gr |
| Transmission Oil: |
Sae 140 100 gr |
| Timing: |
25 degrees or 24.5mm on the flywheel |
Carburetor & Jetting
| MU 14B1 |
main jet: 68
Spray: 268B1 |
| MU 14C1 |
main jet: 72
Spray: 270 |
Maintenance Data:
Carburetor & Jetting:
Maintenance Data:
Carburetor & Jetting:
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Production Data
125 F produced from Mar 1954 to Apr 1955. 32,701 units. VIN begin at 43,000 (approx).
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 Model Idenifications
 125 F-F II
Very First Version 1954 derived from the E
This model in particular is practically an "E" model transformed into "F" using the same production. You can tell these ones by the "E" still stamped into the frame's vin number and is filled in at the bottom to change it to "F", the seat covers are still Brown.
First Version beginning 1954
Same seat frames of the "E" but the covers are Green (front seat has only one horizontal cylindrical spring)
Second Version early 1954 to early 1955
Seat frames are like those on the "D" (front seat has two vertical cylindrical springs).
 Mark II 125 F 1955
"D"-type front fork. Raised handlebars, external coil and condensor.
 Model Idenifications
Model Idenifications
Paint Schemes
125 F-F II
The super-early version that was derived from the "E" was painted exactly the same as an "E".
The first and second version F was painted all the same with Sand Beige 8029.
The Mark II F was painted all the same with Sand Beige 8029 or with Light Grey 8012
Paint Schemes
Paint Schemes
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