Technical data

130
- Remove the crankcase gasket.
- Remove the two screws and the internal cover shown in the
diagram.
CAUTION
WHILE OPENING THE CRANKCASES AND REMOVING THE
DRIVING SHAFT, CHECK THAT THE SHAFT THREADED ENDS
DO NOT INTERFERE WITH THE BENCH BRASSES. FAILURE
TO OBSERVE THIS PRECAUTION CAN DAMAGE THE BENCH
BRASSES.
- Remove the oil seal on the flywheel side.
- Remove the oil filter union shown in the diagram.
Fitting clearance
Rod axial clearance 0,20 ÷ 0,50
Inspect the radial clearance of the connecting rod.
Standard clearance: 0,036 ÷ 0,054 mm
- Ensure the surfaces that limit the axial free-play are not
scored and, using a calliper, measure the crankshaft width
as shown in the figure.
Standard dimensions: 55,75 ÷ 55,90 mm
N.B.
THE DRIVING SHAFT CAN BE REUSED WHEN THE WIDTH FA-
LLS WITHIN THE STANDARD VALUES AND THE SURFACES ARE
FREE FROM SCRATCHES.