Yamaha MA190 Service Manual page 46

Timing chain mark
Camshaft
mating mark
Crank
mating
mark
Figure 2
Timing chain mark
Camshaft mating
mark and timing
chain mark
Crank mating
mark and timing
chain mark
41
2. Rotate the crankshaft to engage the tim-
ing chain mark (between two pieces of
different colors) and crank mating mark
as shown in Figure 2.
3. As shown the figure, assemble the cam-
shaft by matching the camshaft mating
mark and the timing chain mark (One
piece with different color).
4. Confirm that the matching mark of the
crankshaft and the camshaft matches the
mark of the timing chain.
4-3 Engine