ENGINE
385
carriers
& racks
bumpers
& winches
accessories
plows &
implements
frame &
chassis
utv
accessories
body
handlebar
& grips
cables &
levers
fuel &
intake
engine
clutch
brakes
drive
steering &
suspension
bearings
tires &
wheels
chemicals
tools &
shop
exhaust
electrical
& ignition
Years
Bore x
Stroke
(mm)
Bore
Size
(mm)
Top End
Kit No.
Wiseco
Piston
Part No.
Repl
Ring Set
Part No.
Repl
Pin
& Clips
Top End
Gasket Kit
Top End
Bearing
YAMAHA CONTINUED
ATV 2-Stroke
Racer’s Choice
Thru
64 64.00
101717 795M06400 2520CD S486 W5231 W5474 B1005
YFZ350 Banshee
07
x
64.50
101718 795M06450 2539CD
64-
66mm
Long Rod Kit (+5mm)
54 65.00
101719 795M06500 2559CD CW16
65.5mm
Twin Cylinder
65.50
102258 795M06550 2579CD
Liquid Cooled
66.00
102259 795M06600 2598CD
*Must use Long Rod Crank
Racer’s Choice
Thru
64 64.00
-----
795M06400 2520CD S486 W5231 W5474 B1005
YFZ350 Banshee
07
x
64.50
-----
795M06450 2539CD
64-
66mm
Long Rod Stroker Kit
58 65.00
-----
795M06500 2559CD CW16
65.5mm
Twin Cylinder
65.50
-----
795M06550 2579CD
Liquid Cooled
66.00
-----
795M06600 2598CD
*Must use Long Rod Crank
Racer’s Choice HP Series
Thru
64 64.00
-----
842M06400 2520CD S486 W5231
B1005
YFZ350 Banshee
07
x
64.25
-----
112001 101038
Twin Cylinder, Liquid Cooled
54 64.50
-----
842M06450 2539CD CW16
Electra Coated
65.00
-----
842M06500 2559CD
65.50
-----
112002 2579CD
ATV 4-Stroke
Raptor 80
02-06
47 47.00
103313 4841M04700 1850XE S592 104302 104303
-----
Grizzly 80
05
x
47.50
103314 101949 1870XE
48mm 50mm
Badger 80
85-01 45.6 48.00
103315 4841M04800 1890XE CW13
11:1 Compression
50.00
103834 103204 101690
Cylinder boring required for
oversizes
YFM 125 Raptor
11-12
54 54.00
-----
112003 2126XE S571
-----
x
54.50
-----
112004 2146XE
11:1 Compression
54 55.00
-----
112005 2165XE CW15
ArmorGlide skirt coated
YFM 125 Raptor
11-12
54 54.00
-----
112006 2126XE S571
-----
13:1 Compression
ArmorGlide skirt coated
x
54.50
-----
112007 2146XE
54 55.00
-----
112008 2165XE CW15
YFM, YTM 200
84-85
67 67.00
-----
4292M06700 2638XC S256 W5069
-----
YFM, DXT
87-88
x
67.50
-----
4292M06750 2658XC
1984-85
Moto-4
87-88 55.7 68.00
-----
4292M06800 2677XC CW16
10.25:1 Compression
Cylinder boring required for oversizes
YTM, YFM 225
84-88
70 70.00
-----
4312M07000 2756XC S259 W5070
-----
Moto-4
87-88
x
70.50
-----
4312M07050 2776XC
1984-86
10.25:1 Compression
58 71.00
-----
4312M07100 2795XC CW16
Cylinder boring required for oversizes
YFM250 Timberwolf
90-00
71 71.00
102097 4675M07100 -----
W5745
-----
YFB250 Bear Tracker
00-04
x
71.50
102098 4675M07150 2815XC
1992-09
Bruin
05-06
58 72.00
102099 4675M07200 2835XC CW16
Big Bear 250
07-09
8.7:1 Compression
Cylinder boring required for oversizes
YFM 250 Raptor
08-13
74 74.00
-----
4951M07400 2913XA S688 W6634
-----
Raptor SE, Raptor Custom
x
76.00
-----
-----
2992XG
74mm
10.5:1Compression
58
CW17 103925
ArmorGlide skirt coated
76mm
YFM 250 Raptor
08-13
74 74.00
-----
112012 2913XA S688 W6634
-----
Raptor SE, Raptor Custom
x
76.00
-----
112013 2992XG
74mm
13:1Compression
58
CW17 103925
ArmorGlide skirt coated
76mm
YFM 250 Raptor
08-13
74 81.00
-----
103376 3189XG S688 103926
-----
11:1 High-Compression
x
300cc Race Only
ArmorGlide skirt coated
Big Bore sleeve required- 4425FB
58
CW17
