1986 Yamaha YZ490S Crankshaft Piston

Change Assembly
Diagrams Shown are for U.S. Models

Crankshaft Piston

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Piston Std UR
$124.99
1
Piston 1St O/S (.25Mm) UR AP
1
Piston 2Nd O/S (.50Mm) UR AP
1
Piston 3Rd O/S (.75Mm) UR AP
1
Piston 4Th O/S (1.00Mm) UR AP
2
Piston Ring Set Std
2
Piston Ring Set (3Rd O/S) UR AP
2
Piston Ring Set (4Th O/S) UR AP
2
Piston Ring Set (2Nd O/S) UR AP
2
Piston Ring Set (1St O/S) UR AP
3
Pin, Piston
$21.99
4
. Circlip
$2.95
5
. Bearing, Cylindrical
$26.99
6
Crankshaft Assembly (3R5-11400-
7
. Crank 1
8
. Crank 2
9
. Pin, Crank 1
$52.99
10
. Rod, Connecting
$152.99
11
. Bearing, Cylindrical
$42.99
12
. Washer, (90209-25220)
$6.49
13
Bearing
$51.99
14
Oil Seal (38W)
$17.99
15
Key, Woodruff
$3.65
16
Bearing
$51.99
17
. Circlip
$2.95
17
. Circlip PISTON & CON. ROD ASS'YS
$2.95
17
. Circlip PISTON & CON. ROD ASS'YS
$2.95
17
Pin, Piston PISTON & CON. ROD ASS'YS
$21.99
17
Pin, Piston PISTON & CON. ROD ASS'YS
$21.99
17
Pin, Piston PISTON & CON. ROD ASS'YS
$21.99
17
Oil Seal
$17.49
17
Piston Ring Set Std PISTON & CON. ROD ASS'YS
17
Piston Ring Set (1St O/S) PISTON & CON. ROD ASS'YS
17
Piston Ring Set (2Nd O/S) PISTON & CON. ROD ASS'YS
17
Piston Kit Std
17
Piston Std PISTON & CON. ROD ASS'YS
$124.99
17
Piston Kit 1St O/S PISTON & CON. ROD ASS'YS
17
Piston Kit 2Nd O/S
17
Piston 1St O/S (.25Mm) PISTON & CON. ROD ASS'YS
17
Piston 2Nd O/S (.50Mm) PISTON & CON. ROD ASS'YS
17
Piston 3Rd O/S (.75Mm)
 
. Circlip PISTON & CON. ROD ASS'YS
$2.95
 
. Circlip PISTON & CON. ROD ASS'YS
$2.95
 
. Bearing, Cylindrical PISTON & CON. ROD ASS'YS
$42.99
 
. Washer, (90209-25220) PISTON & CON. ROD ASS'YS
$6.49
 
Pin, Piston PISTON & CON. ROD ASS'YS
$21.99
 
Pin, Piston PISTON & CON. ROD ASS'YS
$21.99
 
. Bearing, Cylindrical PISTON & CON. ROD ASS'YS
$26.99
 
. . Pin, Crank 1 PISTON & CON. ROD ASS'YS
$52.99
 
. . Rod, Connecting PISTON & CON. ROD ASS'YS
$152.99
 
. Connecting Rod Assembly
$233.99
 
Piston Ring Set (3Rd O/S) PISTON & CON. ROD ASS'YS
 
Piston Ring Set (4Th O/S) PISTON & CON. ROD ASS'YS
 
Piston Kit (4Th O/S)
 
Piston 3Rd O/S (.75Mm) PISTON & CON. ROD ASS'YS
 
Piston 4Th O/S (1.00Mm) PISTON & CON. ROD ASS'YS

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