CRANK DRIVE / CRANKCASE / CRANKSHAFT CR-5
Check the mating surface of the cylinder with a
straightedge.
Wear limit: 0.05 mm
Measure the outside diameter of the piston
with a micrometer calliper at a distance of
approx. 10 mm, measured from the edge of the
piston.
Outside diameter wear limit:
Aragon / Formula R: 39.84 mm
Aragon GP: mm
The maximum clearance between piston and
cylinder must not exceed the defined limit
value. In case of deviations from the limit
value both the piston and cylinder have to be
replaced.
Clearance limit value:
Aragon / Formula R: 0.1 mm
Aragon GP: mm
Measure the ovality and the conicity:
Ovality and conicity wear limit:
Aragon / Formula R
Ovality: 0.05 mm
Conicity: 0.05 mm
Aragon GP
Ovality: 0.05 mm
Conicity: 0.05 mm
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