![background image](/i/yamaha/162252/yamaha-vmx12h-1995/h/yamaha-vmx12h-1995-183.png)
ENGINE ASSEMBLY
AND ADJUSTMENT
I
3-59
5.
Check:
*Transmission and shifter operation
Unsmooth operation
Repair.
NOTE:
Oil each gear and bearingthoroughly.
6.
Install:
*Crankshaft with cam chains
Balancer shaft
NOTE:
with the mark
on the crankshaft gear.
Align the mark
on the balancer shaft gear
UPPER CRANKCASE
1.
Install:
Plane bearings
gear)
NOTE:
Identify each plane bearing positionvery carefuly
so
that it can be reinstalled in i t s original place.
2.
Install:
Piston rings
Be sure to install rings so that Manufacturer's
marks or numbers are located on the top side of
the rings.
3.
Oil liberally:
Pistons
Rings
Cylinders
Piston ring ends
4.
Set:
Make sure the ends
of
the oil ring expanders do
not
overlap.
RING
(UPPER
RAIL)
2ND
OIL RING (LOWER RAIL)