PIAGGIO Beverly 500 i.e., Workshop Manual

Page: 124 / 382

-Using a gauge, measure the cam height.
STANDARD HEIGHT
Specification Desc./Quantity
Intake 33.988 mm
Exhaust: 33.417 mm
ADMISSIBLE LIMITS
Specification Desc./Quantity
Intake 33.740 mm
Exhaust: 33.170 mm
Standard axial clearance: 0 - 0.22 mm
Maximum admissible axial clearance: 0.3 mm
- If any of the above dimensions are outside the
specified limits, or there are signs of excessive
wear, replace the defective components with new
ones.
- Check that the retaining plate seat shown in the
figure exhibits no wear.
- Check that the automatic valve lifting device cam,
the travel end roller and the rubber abutment on
the containment bell are free from wear.
- Check that the valve lifting spring has not yielded.
- Replace any defective or worn components.
- Check that the rocking lever pins exhibit no scores or wear.
Characteristic
Standard diameter:
13 - 0.010 -0.018 mm
- Measure the inside diameter of each rocker.
Characteristic
Standard diameter:
13 + 0.026 +0.015 mm
Engine
Beverly 500 i.e.
ENG - 124