Yamaha WaveRunner FZR-GX1800 Service Manual page 216

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POWR
b
Crankcase, connecting rod, and piston
1
d
c
e
2. Install the upper bearing into the connect-
ing rod and lower bearing into the connect-
ing rod cap.
TIP
• Install the connecting rod bearings in their
original positions.
• Insert the projection a of each bearing into
the slots in the connecting rod cap and con-
necting rod.
3. Put a piece of Plastigauge 1 onto the
crankshaft pin, parallel to the crankshaft.
TIP
Do not put the Plastigauge over the oil hole in
the crankshaft pin.
4. Install the connecting rod onto the crank-
shaft pin.
TIP
• Make sure that the "Y" mark b on the con-
necting rod faces toward the timing chain
drive gear c of the crankshaft.
• Make sure that the characters d on both the
connecting rod and connecting rod cap are
aligned.
5. Apply engine oil to the connecting rod
bolts threads and nut seats.
6. Tighten the connecting rod nuts to the
specified torques in 2 stages.
TIP
Do not turn the connecting rod until the crank-
shaft pin oil clearance measurement has been
completed.
Connecting rod nut:
1st: 51 N·m (5.1 kgf·m, 37.6 ft·lb)
2nd: 90°
7. Remove the connecting rod cap and mea-
sure the width e of the compressed Plas-
tigauge on each crankshaft pin.
Crankshaft pin oil clearance:
0.020–0.056 mm (0.0008–0.0022 in)
5-109
E
1
2
3
4
6
7
8
9

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