Timing Belt: Service and Repair

Drive belt, installing
(setting valve timing)

NOTE: The crankshaft must not be at TDC

- mount drive belt on crankshaft and intermediate shaft sprockets
- mount pulley and vibration dampener on crankshaft with all four fasteners
- note installation position




Cylinder head cover, installed
- align mark on cover with marks on camshaft sprocket




Cylinder head cover, removed
- align mark on camshaft sprocket with cylinder head cover




- align mark on crankshaft pulley vibration dampener with mark on intermediate sprocket (TDC cylinder 1)
- mount drive belt on camshaft sprocket
- tighten drive belt by turning tensioner in direction of arrow
- it must be possible to twist drive 90 in center between camshaft and intermediate sprockets




- tighten lock nut on tensioner
- torque 45 Nm (33 ft lb)
- turn crankshaft pulley twice and recheck drive belt tension
- remove crankcase pulley and vibration dampener
- install lower drive belt cover
- install upper drive belt cover, v-belt pulley. vibration dampener and drive belt
- check ignition timing, if necessary, adjust




NOTE: If drive belt was removed from the camshaft sprocket adjust belt as follows:

Engine removed
- align mark on drive belt tensioner and drive belt cover (left arrow)

Engine installed
- align TDC mark 0 on flywheel with mark on housing (right arrow)





Cylinder head cover, installed
- align mark on cover with marks on camshaft sprocket




Cylinder head cover, removed
- align mark on camshaft sprocket with cylinder head cover
- mount drive belt and tighten
- check if ignition distributor rotor is pointing to marking for cylinder 1 on distributor housing. If not, turn distributor until mark and rotor align. If necessary install a new distributor
- turn crankshaft twice and check that crankshaft and camshaft marks are aligned with proper reference points
- check ignition timing and if necessary, adjust