ENGINE
CYLINDER KITS (CONT)
SUG.
SUG.
FITS MODEL
DESCRIPTION
P ART  #
RETAIL
FITS MODEL
DESCRIPTION
P ART  #
RETAIL
YAMAHA (CONT)
XC-F 350 11-13
Cylinder kit (90mm big bore) 365cc
0931-0467
$876.95
YZ125 Race 01-04
Race cylinder kit
Repl. forged piston
0910-2764
245.95
(54mm stock bore) 125cc
400485100008 3 $709.95
Repl. ring set
0912-0429
40.95
Gasket kit
400485160003
40.95
Gasket kit (90mm)
0934-2897
81.95
YZ125 05-18
Cylinder kit (54mm stock bore;
Cylinder kit (90mm big bore)
0931-0472
846.95
high compression)
0931-0095
811.95
Repl. forged piston
0910-2764
245.95
Repl. cast piston kit
0910-0669
161.95
Repl. ring set
0912-0429
40.95
Repl. ring set
0912-0160
12.95
Gasket kit (54mm)
0934-1055
41.95
Gasket kit (90mm)
0934-2897
81.95
0931-0472
846.95
Cylinder kit (58mm big bore) 144cc
0931-0146 4
893.95
Repl. forged piston
0910-2764
245.95
Repl. cast piston kit
0910-0648
214.95
Repl. ring set
0912-0429
40.95
Repl. ring set
0912-0104
12.95
Gasket kit (58mm)
0934-1578
57.95
Gasket kit (90mm)
0934-2897
81.95
WR250R/X 08-13
Cylinder kit (83mm big bore) 290cc
0931-0252
989.95
Cylinder kit (83mm) 290cc
0931-0026
835.95
Forged piston kit A (82.95mm)
0910-1338
245.95
Forged Rev dome piston kit A
Forged piston kit B (82.96mm)
0910-1339
245.95
(82.95mm piston)
0910-0310
214.95
Repl. ring set
0912-0159
29.95
Forged Rev dome piston kit B
Gasket kit
0934-1846
70.95
(82.95mm piston)
0910-0725
214.95
WR250F 15-17
Cylinder kit (81mm big bore) 276cc
0931-0664
815.95
Repl. ring set
0912-0159
29.95
Forged piston kit A (80.95mm)
0910-4193
224.95
Gasket kit (83mm)
0934-0359
74.95
Forged piston kit B (80.96mm)
0910-4194
224.95
RM-Z250 07-09
Forged piston kit A
Repl. ring set
0912-0605
41.95
(For 83mm big bore kit) (82.95mm)
0910-0883
224.95
Gasket kit
0934-4813
48.95
Forged piston kit B
YZ250 03-18
Cylinder kit (72mm big bore) 293cc
0931-0440
1,321.95
(For 83mm big bore kit) (82.96mm)
0910-0884
224.95
Forged piston kit A (71.95mm)
0910-2666
203.95
Repl. ring set
0912-0159
29.95
Forged piston kit B (71.96mm)
0910-2667
203.95
Gasket kit
0934-1537
51.95
Repl. ring set
0912-0428
40.95
Cylinder kit (83mm big bore) 290cc
0931-0330
835.95
Gasket kit
0934-2584
22.95
Forged piston kit A (82.95mm)
0910-0883
224.95
YZ250F 01-07/
Cylinder kit (83mm) 290cc
0931-0024
835.95
Forged piston kit B (82.96mm)
0910-0884
224.95
WR250F 01-12
Forged Rev dome piston kit A (82.95mm) 0910-0308
214.95
Repl. ring set
0912-0159
29.95
Forged Rev dome piston kit B (82.96mm) 0910-0727
214.95
Gasket kit
0934-4758
48.95
Repl. ring set
0912-0159
29.95
Cylinder kit
0931-0015
560.95
Gasket kit (83mm)
0934-0357
65.95
(std. bore)
Forged piston kit A
0910-4210
200.95
YZ250F 08-13
Cylinder kit (83mm big bore) 290cc
0931-0248
874.95
Forged piston kit B
0910-4211
200.95
Forged piston kit A
0910-1330
233.95
Gasket kit
0934-4909
98.95
Forged piston kit B
0910-1331
233.95
Cylinder kit (94mm) 435cc
0931-0016 1
816.95
Repl. ring set
0912-0159
29.95
(94mm big bore) Forged Rev dome piston kit A (93.94mm) 0910-0647
232.95
Gasket kit
0934-0357
65.95
Repl. ring set
0912-0103
36.95
YZ250F 14-18
Cylinder kit (81mm big bore) 276cc
0931-0664
815.95
Gasket kit
0934-0194
98.95
Forged piston kit A (80.95mm)
0910-4193
224.95
Cylinder kit (100mm) 490cc
0931-0114
845.95
Forged piston kit B (80.96mm)
0910-4194
224.95
Forged piston kit A (99.95mm piston)
0910-0885
250.95
Repl. ring set
0912-0605
41.95
Repl. ring set
0912-0101
36.95
Gasket kit
0934-4813
48.95
Gasket kit
0934-1538
77.95
YZ450F 03-05/
Cylinder kit (98mm) 478cc
0931-0020
872.95
RM-Z450 08-12
Cylinder kit (100mm kit big bore) 490cc 0931-0251
875.95
WR450F 03-06
Forged Rev dome piston kit A (97.94mm) 0910-0304
214.95
Forged piston kit A (99.96mm piston)
0910-1336
240.95
Repl. ring set
0912-0105
36.95
Repl. ring set
0912-0374
37.95
Gasket kit (98mm)
0934-0355
87.95
RM-Z450 13-17
Cylinder kit (96mm stock bore)
0931-0678
560.95
WR450F 07-15
Cylinder kit (98mm big bore)
0931-0098
872.95
Forged piston kit A (95.96mm piston)
0931-0545
217.95
Forged Rev dome piston kit A (97.94mm) 0910-0304
214.95
Forged piston kit B (95.97mm piston)
0931-0546
217.95
Repl. ring set
0912-0105
36.95
Repl. ring set
0912-0607
37.95
Gasket kit
0934-1057
87.95
RM-Z450 13-17
Cylinder kit (100mm big bore) 490cc
0931-0679
841.95
YZ450F 06-09
Cylinder kit (98mm big bore)
0931-0098
872.95
Forged piston kit A (99.95mm piston)
0910-4653
260.95
Forged Rev dome piston kit A (97.94mm) 0910-0304
214.95
Repl. ring set
0912-0374
37.95
Repl. ring set
0912-0105
36.95
Gasket kit
0934-1057
87.95
YZ85 02-18
Cylinder kit (53mm big bore) 105cc
0931-0473
713.95
YZ450F 10-13
Repl. forged piston
Forged piston kit A (52.95mm piston)
0910-2780
203.95
(for 102mm big bore kit)
0910-2539
254.95
Forged piston kit B (52.96mm piston)
0910-2781
203.95
Repl. ring set
0912-0379
41.95
Repl. ring set
0912-0434
27.95
Gasket kit (102mm)
0934-2555
69.95
Gasket kit
0934-2912
30.95
YZ450F 14-17
Cylinder kit (102mm big bore)
0931-0665
863.95
YZ85 02-18
Cylinder kit (53mm big bore
Repl. forged piston
0910-2539
254.95
w/ long stroke crank) 112cc
0931-0474
938.95
Repl. ring set
0912-0379
41.95
Forged piston kit A (52.95mm piston)
0910-2780
203.95
Gasket kit (102mm)
0934-2555
69.95
Forged piston kit B (52.96mm piston)
0910-2781
203.95
1 This Athena cylinder kit assembled with OE CDI and exhaust gets much more
Repl. ring set
0912-0434
27.95
torque (Nxm) than OE bike; in order to strongly increase horsepower to the
Gasket kit
0934-2912
30.95
wheel, it is necessary to use, at least, a racing exhaust system.
YZ125 97-04
Cylinder kit (54mm stock bore) 125cc
400485100003 2 811.95
2 YZ125 97-98 models require the use of a 99 or newer exhaust pipe and silencer.
3 Cylinder head not included. To use this kit on 97-98 models you must use a 99
Repl. cast piston kit
0910-0669
161.95
exhaust and an 01 cylinder head; for 99-00 models you must use an
Repl. ring set
0912-0160
12.95
01 cylinder head.
Gasket kit
400485160003
40.95
4 May require case boring.
Cylinder kit (58mm big bore) 144cc
0931-0258 4
893.95
Repl. cast piston kit
0910-0648
214.95
Repl. ring set
0912-0104
12.95
Gasket kit
0934-3117
57.95
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
2018 PARTS UNLIMITED OFFROAD