ENGINE
CYLINDERS AND CYLINDER KITS
  • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually
  • Three kit options to choose from: Standard Bore, Standard Bore High
  • Compression and Big Bore
  • Cylinder kits include matched Vertex pistons to ensure longevity, performance
  • Kits come complete with gaskets, cylinder, piston, rings, pin and clips
  • Big bore cylinders do not require machine work (unless noted)
  • Replacement Vertex piston, rings, clips and pins also available; see page 795-805
  • Made in the U.S.A.
  • FITS
    COMPRESSION BORE
    SUG.
    FITS
    COMPRESSION BORE
    SUG.
    MODEL
    DESCRIPTION
    RATIO
    (MM) P ART  #
    RETAIL
    MODEL
    DESCRIPTION
    RATIO
    (MM) P ART  #
    RETAIL
    HONDA
    HUSQVARNA
    11.7:1
    66
    0931-0269 $479.95
    FE 250
    Standard Bore kit
    -
    78
    0931-0492 $279.95
    Standard Bore
    14-15
    Standard Bore kit
    High Compression kit
    -
    66
    0931-0288
    499.95
    (uses Vertex #23235)
    13.9:1
    78
    0931-0493
    599.95
    +2mm Big Bore, 159cc kit
    11.7:1
    68
    0931-0172
    549.95
    Standard Bore
    Standard Bore gasket kit
    -
    -
    0934-1930
    85.95
    High Compression kit
    14.3:1
    78
    0931-0494
    599.95
    -
    66
    0931-0163
    229.95
    Standard Bore gasket kit
    -
    -
    0934-3130
    89.95
    07-17
    +2mm Big Bore gasket kit
    -
    -
    0934-1697
    85.95
    +3mm Big Bore, 270cc kit
    13.9:1
    -
    0931-0491
    649.95
    CRF150R
    Standard Bore kit
    11.7:1
    66
    0931-0486
    479.95
    Big Bore gasket kit
    -
    -
    0934-3131
    95.95
    12-17
    Standard Bore High Compression 12.2:1
    66
    0931-0487
    499.95
    KAWASAKI
    +2mm Big Bore, 159cc kit
    11.7:1
    68
    0931-0485
    549.95
    KX85 06-13 Standard Bore Cylinder (only)
    10:19.2:1
    48.5 0931-0580
    379.95
    Standard Bore Cylinder kit
    10:19.2:1
    48.5 0931-0594
    499.95
    CRF250X
    Standard Bore Gasket kit
    -
    -
    0934-4053
    49.95
    CRF250R
    KX100
    Standard Bore Cylinder (only)
    10:19.2:1
    52.5 0931-0581
    379.95
    04-09
    Standard Bore Cylinder (only)
    -
    78
    0931-0128
    279.95
    06-13
    Standard Bore Cylinder kit
    -
    52.5 0931-0595
    499.95
    CRF250X
    Standard Bore kit
    12.9:1
    78
    0931-0270
    599.95
    Standard Bore Gasket kit
    -
    -
    0934-4054
    49.95
    Standard Bore
    KX250F
    CRF250R
    High Compression kit
    13.4
    78
    0931-0289
    579.95
    04-08
    Standard Bore Cylinder (only)
    -
    77
    0931-0130
    279.95
    04-07
    Standard Bore gasket kit
    -
    -
    0934-1931
    85.95
    KX250F
    Standard Bore kit
    12.6:1
    77
    0931-0275
    595.95
    CRF250R
    Standard Bore kit
    13.0:1
    78
    0931-0271
    559.95
    04-05
    Standard Bore
    08-09
    Standard Bore
    High Compression kit
    13.3:1
    77
    0931-0294
    579.95
    High Compression kit
    -
    78
    0931-0290
    599.95
    Standard Bore gasket kit
    -
    -
    0934-1935
    85.95
    Standard Bore gasket kit
    -
    -
    0934-1931
    85.95
    KX250F
    Standard Bore kit
    13.5:1
    77
    0931-0276
    559.95
    CRF250R
    Standard Bore Cylinder (only)
    -
    76.8 0931-0392
    269.95
    06-08
    Standard Bore gasket kit
    -
    -
    0934-1935
    85.95
    10-17
    Standard Bore kit
    13.2:1
    76.8 0931-0338
    559.95
    KX250F
    +3mm Big Bore, 269cc kit
    13.2:1
    80
    0931-0120
    649.95
    Standard Bore
    04-08
    Big Bore gasket kit
    -
    -
    0934-1525
    85.95
    High Compression kit
    14.1:1
    76.8 0931-0339
    579.95
    KX250F 09 Standard Bore Cylinder (only)
    -
    77
    0931-0398
    259.95
    +3.2mm Big Bore, 270cc kit
    13.2:1
    80
    0931-0340
    649.95
    Standard Bore kit
    13.2:1
    77
    0931-0277
    559.95
    Standard Bore gasket kit
    -
    -
    0934-2146
    85.95
    Standard Bore
    +3.2mm Big Bore gasket kit
    -
    -
    0934-2383
    85.95
    High Compression kit
    13.9:1
    77
    0931-0295
    579.95
    CRF250R
    Standard Bore Cylinder kit
    13.5:1
    76.8 0931-0583
    559.95
    +3mm Big Bore, 269cc kit
    13.2:1
    80
    0931-0268
    649.95
    14-15
    Standard Bore
    Standard gasket kit
    -
    -
    0934-1936
    89.95
    High Compression kit
    14.1:1
    76.8 0931-0584
    579.95
    +3mm Big Bore gasket kit
    -
    -
    0934-1929
    85.95
    CRF250X
    KX250F 10 Standard BoreCylinder (only)
    -
    77
    0931-0399
    259.95
    04-17/
    Standard Bore kit
    13.2:1
    77
    0931-0341
    559.95
    13.0:1
    81
    0931-0118 1 649.95
    Standard Bore
    04-09
    +3mm Big Bore gasket kit
    -
    -
    0934-1521
    85.95
    High Compression kit
    13.8:1
    77
    0931-0342
    579.95
    CRF250X
    +3mm Big Bore, 269cc kit
    13.2:1
    -
    0931-0421
    649.95
    04-17/
    KX250F
    Standard Bore
    13.0:1
    79
    0931-0173
    649.95
    11-14
    Cylinder (only)
    -
    77
    0931-0400
    259.95
    +1mm Big Bore gasket kit
    -
    -
    0934-1698
    85.95
    Standard Bore kit
    -
    77
    0931-0423
    589.95
    CRF450R
    Standard Bore Cylinder (only)
    -
    96
    0931-0129
    269.95
    Standard Bore
    02-08
    Standard Bore kit
    12.1:1
    96
    0931-0272
    595.95
    High Compression kit
    13.9:1
    77
    0931-0422
    599.95
    Standard Bore
    +3mm Big Bore, 269cc kit
    13.5:1
    80
    0931-0424
    649.95
    High Compression kit
    12.5:1
    96
    0931-0291
    599.95
    KX250F
    Standard Bore
    +4mm Big Bore, 488cc kit
    12.1:1
    100
    0931-0119
    649.95
    15-16
    Cylinder (only)
    -
    77
    0931-0400
    259.95
    Standard Bore gasket kit
    -
    -
    0934-1932
    85.95
    Standard Bore Cylinder kit
    13.8:1
    77
    0931-0592
    559.95
    Big Bore gasket kit
    -
    -
    0934-1522
    85.95
    Standard Bore
    CRF450R
    + 3mm Big Bore, 478cc kit
    12.0:1
    99
    0931-0266
    649.95
    High Compression kit
    13.8:1
    77
    0931-0593
    579.95
    Standard Bore kit
    12.0:1
    96
    0931-0273
    589.95
    Big Bore Cylinder kit
    13.8:1
    80
    0931-0602
    649.95
    Standard Bore
    KLX400
    Standard Bore Cylinder (only)
    -
    90
    0931-0139
    269.95
    High Compression kit
    12.9:1
    96
    0931-0292
    599.95
    03-04
    Standard Bore kit
    11.3:1
    90
    0931-0283
    559.95
    Standard Bore gasket kit
    -
    -
    0934-1933
    89.95
    Standard Bore
    Big Bore gasket kit
    -
    -
    0934-1927
    89.95
    High Compression kit
    13.5:1
    90
    0931-0300
    579.95
    12.5:1
    96
    0931-0489
    589.95
    Standard Bore gasket kit
    -
    -
    0934-1940
    85.95
    13-16
    Standard Bore
    +4mm Big Bore, 434cc kit
    11.3:1
    94
    0931-0135
    649.95
    High Compression kit
    13.2:1
    96
    0931-0490
    599.95
    Big Bore gasket kit
    -
    -
    0934-1527
    85.95
    + 3mm Big Bore, 478cc kit
    12.0:1
    99
    0931-0488
    659.95
    KX450F
    Standard Bore Cylinder kit
    13.2:1
    96
    0931-0596
    569.95
    09-12
    Standard Bore
    Standard Bore Cylinder (only)
    -
    96
    0931-0391
    279.95
    High Compression kit
    13.2:1
    96
    0931-0597
    589.95
    CRF450X
    Standard Bore Cylinder (only)
    -
    0931-0393
    289.95
    Big Bore Cylinder kit
    12.5:1
    98
    0931-0603
    689.95
    05-17
    Standard Bore kit
    12.1:1
    96
    0931-0274
    599.95
    Standard Bore Gasket kit
    -
    -
    0934-4055
    89.95
    Standard Bore
    Big Bore Gasket kit
    -
    -
    0934-4056
    89.95
    High Compression kit
    12.5:1
    96
    0931-0293
    579.95
    1 Requires case machining; instructions included.
    + 3mm Big Bore kit
    12.1:1
    99
    0931-0267
    649.95
    Standard Bore gasket kit
    -
    -
    0934-1934
    85.95
    +3mm Big Bore gasket kit
    -
    -
    0934-1928
    85.95
    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.
    2017 PARTS UNLIMITED OFFROAD