Checking The Balancer Shaft - Yamaha XVZ13TF 1999 Service Manual

CRANKSHAFT

CHECKING THE BALANCER SHAFT

1. Measure
S balancer shaft runout
out of specification ! Replace the balancer
shaft
Balancer shaft runout
Less than 0.03 mm
2. Check:
S balancer shaft journal surfaces
S bearing surface
S balancer shaft driven gear 1
S water pump drive gear 2
Scratches/wear ! Replace the balancer
shaft
3. Measure
S balancer shaft journal-to-balancer shaft jour-
nal bearing clearance
Out of specification ! Replace the balancer
shaft journal bearings.
Balancer shaft journal-to-balan-
cer shaft bearing clearance
0.020 X 0.048 mm
CAUTION:
S Do not interchange the balancer shaft bear-
ings
S To obtain the correct balancer shaft jour-
nal-to-balancer shaft journal bearing clear-
ance and prevent engine damage, the ba-
lancer shaft journal bearings mst be
installed in their original positions.
4-82
ENG