ENGINE
305
2015 OFFROAD CATALOG
accessories
body
handlebar
& grips
cables &
levers
engine
fuel &
intake
electrical
& ignition
clutch
drive
bearings
brakes
steering &
suspension
tires
tools &
shop
exhaust
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
WR250F
2001-04 77 77.00
102863 256.72
G
4872M07700 184.00
G
7700XU 35.47
G
W5921
12.7:1 Compression (77mm)
x
79.00
101762 292.72
G
4872M07900 220.00
G
3110XG 33.10
G
13.2:1 Compression (79mm)
53.6
CW16
WR250F
2001-13 77 83.00
105201 849.35
G
102726
230.00
G
3268XG 33.10
G S677
104403
12.5:1 Compression
x
290CC Big Bore Kit
53.6
CW16
ArmorGlide skirt coated
*Kit included pistons, rings, piston pins,
retainer clips, gasket, and cylinder
WR250F
2005-13 77 77.00
102864 256.72
G
4882M07700 184.00
G
7700XU 35.47
G
W5921
12.5:1 Compression
x
53.6
CW16
Race Only
2005-13 77 77.00
103524 292.72
G
4881M07700 220.00
G
7700YC 41.68
G
W5921
WR250F
x
13.5:1 High-Compression
53.6
CW16
ArmorGlide skirt coated
2 Ring
YZ250F
2001-04 77 77.00
102863 256.72
G
4872M07700 184.00
G
7700XU 35.47
G
W5921
12.7:1 Compression (77mm)
x
79.00
101762 292.72
G
4872M07900 220.00
G
3110XG 33.10
G
13.2:1 Compression (79mm)
53.6
CW16
YZ250F Race Only
2001-04 77 77.00
103523 292.72
G
102900
220.00
G
7700YC 41.68
G
W5921
13.5:1 Compression (77mm)
x
13.9:1 Compression - (79mm)
53.6
CW16
Light weight, 2-ring, gas ported
ArmorGlide skirt coated
YZ250F
2001-11 77
x
53.6
83.00
105201 849.35
G
102726
230.00
G
111626
33.10
G S677
104403
12.5:1 Compression
290CC Big Bore
CW16
ArmorGlide skirt coated
*Kit included pistons, rings, piston pins,
retainer clips, gasket, and cylinder
YZ250F
2005-07 77 77.00
102864 256.72
G
4882M07700 184.00
G
7700XU 35.47
G
W5921
12.5:1 Compression
x
53.6
CW16
YZ250F
77 77.00
103524 292.72
G
4881M07700 220.00
G
7700YC 41.68
G
W5921
13.5:1 High-Compression
2005-07 x
ArmorGlide skirt coated
53.6
CW16
YZ250F RACERS CHOICE SERIES
2005-07 77 77.00
102746
282.00
G
101730 50.63
G 112381
W5921
13.5:1 High Compression
x
Boxed Forging
53.6
CW16
Armor Plating
DLC Coated Piston pin
Titanium Nitride Rings
ArmorGlide Skirt Coated
YZ250F
2008-11 77 77.00
102865 262.72
G
4952M07700 190.00
G
7700XU 35.47
G
W5921
13.5:1 Stock Compression
x
79.00
4952M07900 190.00
G
3110XG 33.10
G
ArmorGlide Skirt Coated
53.6
CW16
Nikasil Bore
YZ250F
2008-11 77 77.00
102703 292.72
G
101604
220.00
G
7700YC 41.68
G
W5921
14:1 High-Compression
x
ArmorGlide Skirt Coated
53.6
CW16
Nikasil Bore
YZ250F RACERS CHOICE SERIES
2008-11 77 77.00
102755
282.00
G
101730 50.63
G 112381
W5921
14:1 High Compression
x
Boxed Forging
53.6
CW16
Armor Plating
DLC Coated Piston pin
Titanium Nitride Rings
ArmorGlide Skirt Coated
YZ250F
2012-13 77 77.00
111748
190.00
G
7700XU 35.47
G
W5921
13.5:1 Stock Compression
x
Nikasil Bore
YZ250F
2012-13 77 77.00
112213
220.00
G
7700XU 35.47
G 111633
W5921
14:1 High Compression
x
Nikasil Bore
53.6
