Service Points; Piston Pin Clip Removal And Installation; Piston Inspection - Yamaha WaveRunner XLT1200 Service Manual

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PISTONS
SERVICE POINTS
Piston pin clip removal and installation
1. Remove and install:
• Piston pin clip
NOTE:
Before removing or installing the piston pin
clip, cover the crankcase opening with a
clean rag to prevent the piston pin clip from
falling into the crankcase.
Piston inspection
1. Eliminate:
• Carbon deposits
(from the piston crown and piston
ring gloves)
-^
';.'. I'-'"'
\ . :>•-
^
1
2. Inspect:
• Piston wall
Score marks —> Repair with 600-800
grit wet sandpaper or replace.
NOTE:
Lightly sand the piston wall in a crisscross
pattern.
/ I
I
0
'0
0
0
^
3. Measure:
• Piston skirt diameter
(with a micrometer)
Out of specification -> Replace.
Piston diameter Distance (a)
79.899-79.914 mm
(3. 1456-3. 1462 in)
22 mm
(0.87 in)
5-31