Crankshaft Check; Crankshaft Pin Oil Clearance Check - Yamaha WaveRunner FZR-GX1800 Service Manual

POWR
Crankcase, connecting rod, and piston
a
b

Crankshaft check

1. Measure:
• Crankshaft journal a diameter
• Crankshaft pin b diameter
Out of specification → Replace the
crankshaft.
Crankshaft journal a diameter:
39.976–40.000 mm
(1.5739–1.5748 in)
Crankshaft pin b diameter:
41.976–42.000 mm
(1.6526–1.6535 in)
2. Measure:
• Crankshaft runout
Out of specification → Replace the
crankshaft.
Crankshaft runout limit:
0.03 mm (0.0012 in)

Crankshaft pin oil clearance check

1. Measure:
• Crankshaft pin oil clearance
Out of specification → Replace the con-
necting rod bearings.
Measurement steps:
1. Clean the bearings and connecting rod big
end.
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