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N73B60 Engine - Diagnosis
Crankcase
The crankcase is a one-piece “open deck” design and is made entirely from AluSil. In mass
production, the cylinder bores are finished by an etching procedure. This involves etching
out a thin aluminium layer from the cylinder walls. By doing this, the high strength silicon
crystals are exposed. The silicon crystals form a high strength running surface for the pis-
tons.
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Lubrication System - Technical Data
TThhee rreeccoommmmeennddeedd ooiill iiss BBMMWW HHiigghh PPeerrffoorrmmaannccee 55WW--3300 SSyynntthheettiicc OOiill
* P/N 07 51 0 017 866
kt-9588
Oil Capacity in Liters (quarts) Explanation
8.5 (9.0) Filling capacity with oil filter change
Oil Pressure in Bar Explanation
1.0 Minimum oil pressure @ 20º C
4.0 - 8.0 Maximum oil pressure @ 20º C
Oil Delivery Capacity Explanation
9 - 12 liters/minute At idle speed (550 rpm) @ 20º C
50 - 55 liters/minute At maximum engine speed (6500 rpm) @
20º C
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