MAIN ENGINE COMPONENTS AVERAGE
ESTIMATED LIFE
The estimated life of the different components, of the engine, changes according
to the use and to the desired performance
.
PISTON
As detailed in the previous paragraph, during the competitive use we suggest the
replacement after 30lt. For not competitive use the replacement can be made
after 60lt.
MAIN BEARINGS
With the roller bearing, the life of these ones is same to a full sporting season.
CONROD BIG END CAGE, CRANKPIN AND SHIM
During the competitive use we suggest the replacement every 60tl. For not
competitive use the replacement can be made about every 90lt.
CONROD LITTLE END CAGE
The replacement must be made every 60lt.
CONROD
During the competitive use we suggest the replacement every 120lt. For not
competitive use the replacement can be made every 180lt.
Anyway it must be replaced whenever the big end hole ovalization exceeds
0.01mm. This value is the difference between the diameter measured in "A" and
"B" as below indicated.
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