4-10 ENGINE TOP END
Camshaft Chain Tensioner
Camshaft Chain Tensioner Removal
This is a non-return type cam chain tensioner. The
push rod does not return to its original position
once it moves out to take up cam chain slack. Ob-
serve all the rules listed below:
When removing the tensioner, do not take out the
mounting bolts only halfway.
mounting bolts from this position could damage
the tensioner and the camshaft chain. Once the
bolts are loosened, the tensioner must be removed
and reset as described in "Chain Tensioner Instal-
lation". Do not turn over the crankshaft while the
tensioner is removed. This could upset the cam
chain timing, and damage the valves.
Remove the fuel tank (see Fuel Tank Removal in the Fuel
Remove the choke knob holder for extra clearance.
Loosen the cap bolt [A] before tensioner removal for later
Unscrew the mounting bolts [B] and remove the camshaft
chain tensioner [C].
Do not turn over the crankshaft while the tensioner
is removed. This could upset the cam chain timing,
and damaging the valves.
Remove the camshaft chain tensioner [A] while turning
the push rod [B] clockwise [C] and compressing [D] it with
a standard tip screwdriver [E].