ENGINE
306
body
accessories
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& grips
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levers
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& ignition
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intake
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suspension
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shop
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YEARS BORE
X
STROKE
BORE
TOP
END
KIT NO.
WISECO
PISTON
PART NO.
REPLACEMENT
RING SET
PART NO.
REPL
PIN &
CLIPS
TOP END
GASKET
KIT
YAMAHA MOTORCYCLE CONTINUED
MOTORCYCLE 4-STROKE
TT350
1985-98 86 86.00
4674M08600 142.00
G
3386XC 33.10
G S475
W5751
XT350
1985-00 x
87.00
4674M08700 142.00
G
3425XC 33.10
G
9:1 Compression
Cylinder boring and replating required for
oversizes
59.6 87.50
101859
152.00
G
3445XC 33.10
G CW19
YZ250F
2014-15 77 77.00
PK1899 274.95
B
40116M07700 190.00
B
7700YC 41.68
G S677 W6929
YZ250FX
2015
x
WR250F
2015 53.6
CW16
13.5:1 Stock Compression, NikasilBore
YZ250F
2014-15 77 77.00
PK1911 TBA
B
40127M07700 220.00
B
7700YCA 41.68
G 5677C W6929
YZ250FX
2015
x
WR250F
2015 53.6
CW16
14.1 High Compression, NikasilBore
YZ250F RACERS CHOICE SERIES
2015-15 77 77.00
7700YCA 41.68
G 5677C W6929
YZ250FX
2015
x
WR250F
14:1 High Compression
2015 53.6
CW16
Boxed Forging
ArmorPlating
DLC Coated Piston pin
Titanium Nitride Rings, ArmorGlide Skirt Coated
YZ400F
1998-00 92 92.00
4649M09200 190.00
G
3622XR 33.10
G S560
W5678 W5699
WR400F
x
94.00
4649M09400 190.00
G
3701XR 33.10
G
92mm 94mm
12.5:1 Compression
60.1
CW18
Cylinder boring & replating required for oversizes
YZ400F
1998-00 92 92.00
101249
216.00
G
3622XR 33.10
G S560
W5678 W5699
WR400F
x
94.00
3701XR 33.10
G
92mm 94mm
13.5:1 High-Compression
60.1
CW18
Cylinder boring & replating required for oversizes
YZ426
2000-02 95 95.00
102160 248.04
G
4693M09500 196.00
G
3741XS 34.29
G S615
W5882
WR426
x
96.50
4693M09650 196.00
G
9650XS 34.29
G
12.5:1 Stock Compression
60.1 97.00
3819XS 34.29
G CW19
Cylinder boring & replating required for oversizes
YZ426
2000-02 95 95.00
103636
222.00
G
3741XS 34.29
G S615
W5882
WR426
x
97.00
9650XS 34.29
G
13.5:1 High-Compression
60.1
103637
250.00
G
3819XS 34.29
G CW19
Cylinder boring & replating required for oversizes
WR450F
2003-06 95 95.00
103221 288.75
G
4785M09500 196.00
G
3741XS 34.29
G S600
W6129 W6130
12.5:1 Stock Compression
X 97.00
101751 323.82
G
4785M09700 222.00
G
3819XS 34.29
G
95mm 97mm
Nikasil Bore - cylinder sleeving or replating
63.4
CW18
required for oversizes ArmorGlide skirt coated
WR450F
2003-06 95 95.00
102385 314.75
G
102876
222.00
G
3741XS 34.29
G S600
W6129 W6130
13:1 High Compression
X 97.00
3819XS 34.29
G
95mm 97mm
Nikasil Bore - cylinder sleeving or replating
63.4
CW18
required for oversizes ArmorGlide skirt coated
WR450F
2007-15 95 95.00
103366 292.84
G
4785M09500 196.00
G
3741XS 34.29
G S600
W6420 W6421
12.5:1 Stock Compression
X 97.00
102496 318.34
G
4785M09700 222.00
G
3819XS 34.29
G
95mm 97mm
63.4
CW18
WR450F
2007-15 95 95.00
102653 318.34
G
102876
222.00
G
3741XS 34.29
G S600
W6420 W6421
13:1 High Compression
X 97.00
3819XS 34.29
G
95mm 97mm
63.4
CW18
YZ450F
2003-05 95 95.00
103221 288.75
G
4785M09500 196.00
G
3741XS 34.29
G S600
W6129 W6130
12.5:1 Stock Compression
X 97.00
101751 323.82
G
4785M09700 222.00
G
3819XS 34.29
G
95mm 97mm
Nikasil Bore - cylinder sleeving or replating
63.4
CW18
required for oversizes
ArmorGlide skirt coated
YZ450F
2003-05 95 95.00
102385 314.75
G
102876
222.00
G
3741XS 34.29
G S600
W6129 W6130
13:1 High Compression
X 97.00
3819XS 34.29
G
95mm 97mm
Nikasil Bore - cylinder sleeving or replating
63.4
CW18
required for oversizes
ArmorGlide skirt coated
YZ450F
2006-09 95 95.00
103366 292.84
G
4785M09500 196.00
G
3741XS 34.29
G S600
W6420
95mm
W6421
97mm
12.5:1 Stock Compression
X 97.00
102496 318.34
G
4785M09700 222.00
G
3819XS 34.29
G
63.4
CW18
YZ450F
13:1 High Compression
Nikasil Bore - cylinder sleeving or replating
required for oversizes
2006-09 95 95.00
102653 318.34
G
102876
222.00
G
3741XS 34.29
G S600
W6420
95mm
W6421
97mm
X 97.00
3819XS 34.29
G
63.4
CW18
YZ450F
2010-13 97 97.00
112299 247.86
G
102928
196.00
G
3819XS 34.29
G 104087
104624
12.5:1 Stock Compression
X
Nikasil Bore - cylinder sleeving or replating
60.8
CW18
required for oversizes
ArmorGlide skirt coated
