KTM 990 Adventure Repair Manual page 132

6-19
3
4
Chain tensioner cylinder front
– Insert the chain tensioning element
NOTE: the housing and tensioning piston of the chain tensioner are
compression molded. If the two parts cannot be separated, the chain
tensioner must be replaced.
1
– Apply the chain tensioner bolt and new sealing washer to the chain
– Measure the distance
The measured value should be between 6 mm and 11 mm. If the value
is lower, the tensioning rail could be worn or the timing chain
excessively elongated. If it is higher, the engine was turned to TDC
2
against the running direction.
– Mount the chain tensioner bolt
Oil pressure switch
– Mount the oil pressure switch
tensioner element without compressing the spring.
2
cylinder head.
tighten to 10 Nm.
in the cylinder head bore.
1
between the sealing washer and the
and tighten to 20 Nm.
3
with a new sealing washer and
4