16 ENGINE 171
304735-11
– Clean all oil nozzles thoroughly and blow out with compressed air.
– Mount the dowels.
– Position the camshaft bearing bridge.
– Mount screws 4 and tighten from the inside to the outside.
Guideline
Screw, camshaft bearing bridge M6 11 Nm (8.1 lbf ft)
16.5.25 Installing the timing chain tensioner (125 Duke)
304804-10
– Turn the timing chain tensioner screw clockwise.
The timing chain tensioner is locked.
304751-10
– Holding it with the correct orientation, mount the timing chain tensioner 1 with
the gasket.
– Mount and tighten screws 2.
Guideline
Screw, timing chain tensioner M6 12 Nm (8.9 lbf ft)
304750-10
– Unlock the timing chain tensioner screw counterclockwise.
– Check the timing chain tension.
304752-10
– Mount and tighten screw 3 with the O-ring.
Guideline
Screw, unlocking of timing chain ten-
sioner
M6 10 Nm (7.4 lbf ft)