1979 Yamaha YZ250F Crankshaft - Piston

Change Assembly
Diagrams Shown are for U.S. Models

Crankshaft - Piston

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Cylinder 1
2X4-11311-00-00
2
Crank 1
2K7-11412-00-00
3
Crank 2
1W3-11422-00-00
4
. Rod, Connecting
498-11651-00-00
5
. Pin, Crank 1
2X4-11681-00-00
$54.28
6
. Bearing, Cylindrical
93310-425N4-00 93310-425P2-00
$48.29
7
. Washer, Special Shape
90209-25085-00
$7.42
8
Piston 1 O/S 0.25 (2K7-11635-00 ALTERNATE PART
2K7-11635-01-00
8
Piston 3 O/S 0.75 (2K7-11637-00 ALTERNATE PART
2K7-11637-01-00
8
Piston 2 O/S 0.50 (2K7-11636-00 ALTERNATE PART
2K7-11636-01-00
8
Piston 4 O/S 1.00 (2K7-11638-00 ALTERNATE PART
2K7-11638-01-00
8
Piston Std (69.96Mm Std)
2K7-11631-01-96
9
Piston Kit 3Rd ALTERNATE PART
2K7-11630-81-00
9
Piston Kit 4Th ALTERNATE PART
2K7-11630-91-00
9
Piston Kit 2Nd ALTERNATE PART
2K7-11630-71-00
9
Piston Kit 1St O/S ALTERNATE PART
2K7-11630-61-00
9
Piston Kit Std
2K7-11630-51-00
9
Piston Ringset 4Th (4Th O.S.) ALTERNATE PART
2X7-11601-40-00
9
Piston Ringset 3Rd (3Rd O.S.) ALTERNATE PART
2X7-11601-30-00
9
Piston Ringset 2Nd (2Nd O.S.) ALTERNATE PART
2X7-11601-20-00
9
Piston Ringset 1St (1W5-11601-1 ALTERNATE PART
2X7-11601-10-00
9
Piston Ringset Std (Std)
2X7-11601-00-00
10
.Bearing
93310-218A6-00
$23.58
11
Pin, Piston
214-11633-00-00
$21.11
12
Circlip
93450-19052-00
$5.14
13
Bearing
93306-20627-00
$51.46
14
Oil Seal (38W)
93103-30150-00
$18.93
15
Oil Seal
93103-40091-00
$19.14
16
O-Ring
93210-29282-00
$5.14
17
Gear, Pri Drive
2K7-16111-00-00
18
Washer, Spring
92901-18100-00 92907-18100-00
$5.14
19
Nut
90179-18172-00
$8.31
20
Key, Woodruff
90280-03017-00
$5.14
21
Key, Straight
90282-07019-00
$6.44
22
Nut, Special Shape
90179-10257-00
 

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