- Measure the outer diameter of the piston, per-
pendicular to the pin axis.
- Take the measurement in the position shown in
the figure
To classify the cylinder-piston fitting, check the ap-
propriate table
See also
Cylinder - piston assy.
Inspecting the cylinder
- Check that the cylinder does not show seizures.
Otherwise, replace it or adjust it respecting the al-
lowable increases
- Measure the internal diameter of the cylinder with
a bore meter, according to the directions given in
the figure
- Check that the fitting surface with the head is not
dented or distorted.
To classify the cylinder-piston fitting, check the ap-
propriate table
See also
Cylinder - piston assy.
Inspecting the piston rings
- Alternatively insert the two sealing rings in the
cylinder
Using the piston, insert the seals perpendicularly
to the cylinder axis.
- Measure the opening of the sealing rings using a
thickness gauge as shown in the photograph
- If the values are higher than the values prescri-
bed in the chart, substitute the rings
Engine
DNA 50
ENG - 82
Содержание DNA 50
Страница 1: ...WORKSHOP MANUAL 633507 DNA 50 ...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 16: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 25: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 35: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 41: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 44: ...Ignition 1 Electronic ignition device 2 Sparkplug 3 Magneto 6 Key switch Electrical system DNA 50 ELE SYS 44 ...
Страница 58: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 60: ...Engine from vehicle DNA 50 ENG VE 60 ...
Страница 61: ...INDEX OF TOPICS ENGINE ENG ...
Страница 92: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 99: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 107: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Страница 113: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 121: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 125: ...INDEX OF TOPICS TIME TIME ...
Страница 127: ...Crankcase CRANKCASE Code Action Duration 1 001133 Engine crankcase Replacement DNA 50 Time TIME 127 ...
Страница 139: ...Brake shoes BRAKE SHOES Code Action Duration 1 002002 Rear brake shoe s Replacement DNA 50 Time TIME 139 ...
Страница 154: ...Swing arm SWINGING ARM Code Action Duration 1 001072 Engine frame swinging arm fitting Replacement Time DNA 50 TIME 154 ...