Desmodromic (type) with four valves per cylinder, operated by eight rocker arms (4 opening rockers and 4 closing rockers) and two overhead camshafts. It is operated by the crankshaft through spur gears, belt rollers and toothed belts.
Desmodromic timing system (fig. 159)
Fuel, lubricants and other fluids
Important
Do not use additives in fuel or lubricants.
Engine oil
A good quality engine oil has special properties. Use only a highly detergent
engine oil with certified se, sf or sg or
higher service ratings as marked on the container.
Viscosity
Sae 15w-50
The other viscosity grades ...
Refitting the lubrication system
Note
Before fitting the pipes (7), it is recommended to check the presence of
the o-rings (e). Lubricate them by using engine
oil.
If the nipples (5) have been removed from the radiator insert a washer (6) on
each nipple (5) and apply specific
threadlocker on threads on the radiator side ...
Reassembly of rear shock absorber - rocker arm - linkage assembly
Once the needle roller bearings (9) have been removed from the rocker arm
(18), upon reassembly fit a new needle roller
bearing (9) on drift part no. 88713.1071 And lubricate with recommended grease.
Support the rocker arm and drive the needle roller bearings into the rocker arm
bore until t ...