ENGINE
4-stroke cylinder kit BODY
2-stroke cylinder kit
CYLINDER KITS
  • Kits include aluminum cylinder with nickel-carbide coating
  • designed with larger water jackets
  • Forged piston black graphite or clear tin coating;
  • includes rings, clips and pin
  • Athena top-end gasket set includes required seals
  • and hardware
  • Easy-to-follow step-by-step nstallation instructions
  • Most are bolt-on; no machining required except
  • where noted
    STOCK BORE RACE CYLINDER KITS
    BIG BORE RACE CYLINDER KITS
  • Include aluminum cylinder with nickel-carbide coating, ported to
  • Include aluminum cylinder with nickel-carbide coating
  • Factory Works specs
  • Specially designed, high-performance, hard-anodized power valves
  • Two-stroke kits include an aluminum cylinder head with a removable
  • (cannot use OEM)
    bronze dome allowing for a higher compression ratio and
  • Specially designed, high-performance, forged OEM-style domed
  • anti-detonation features (except where noted)
    piston kit
  • Two-stroke kits feature specially designed, high-performance,
  • Athena top-end gasket set including required seals and hardware
  • hard-anodized power valves (cannot use OEM)
  • Easy-to-follow, step-by-step installation instructions
  • Specially designed, high-performance, Cast-Lite flat-top piston kit
  • NOTE: All 4-stroke kits do not include cylinder head.
  • Athena top-end gasket set including required seals and hardware
  • Easy-to-follow, step-by-step installation instructions
  • SUG.
    SUG.
    FITS MODEL
    DESCRIPTION
    P ART  #
    RETAIL
    FITS MODEL
    DESCRIPTION
    P ART  #
    RETAIL LIGHTING
    HONDA
    HONDA (CONT)
    CRF150R 07-10 Cylinder kit (69mm big bore) 163.5cc
    0931-0307
    $499.95
    CRF250R 10-17 Cylinder kit (82mm big bore) 280cc
    0931-0428
    $891.95
    Repl. forged piston
    0910-2002
    195.95
    Forged piston kit A (81.95mm piston)
    0910-2537
    209.95
    Repl. ring set
    0912-0331
    42.95
    Forged piston kit B (81.96mm piston)
    0910-2538
    209.95
    Gasket kit
    0934-1968
    44.95
    Repl. ring set
    0912-0281
    33.95 ENGINE
    CRF230F 07-15 Cylinder kit (67mm big bore) 233cc
    0931-0662
    299.95
    Gasket kit (82mm)
    0934-2554
    67.95
    Repl. cast piston +0.25
    0910-4191
    79.95
    CRF450R 02-08 Forged piston kit A (99.95mm, 11.6:1
    Repl. cast piston +0.50
    0910-4192
    79.95
    compression, for 100mm big bore/ 490cc) 0910-0255
    211.95
    Gasket kit
    0934-4814
    24.95
    Gasket kit (For 100mm big bore/ 490cc)
    0934-0192
    103.95 FUEL/AIR
    CRF250R/X
    Cylinder kit (82mm big bore) 280cc
    0931-0094
    891.95
    CRF450R 09-16 Cylinder kit (100mm big bore) 490cc
    0931-0327
    999.95 SYSTEMS
    04-09
    Forged piston kit A (81.95mm piston)
    0910-0646
    209.95
    Repl. forged piston
    0910-2530
    235.95
    Forged piston kit B (81.96mm piston)
    0910-0722
    209.95
    Repl. ring set
    0912-0374
    36.95
    Repl. rings
    0912-0281
    33.95
    Gasket kit (100mm big bore)
    0934-2546
    83.95 HARDWARE &
    Gasket kit
    0934-1054
    72.95
    CRF450X 05-14 Cylinder kit (100mm big bore) 490cc
    0931-0103
    839.95 MERCHANDISING
    CRF250R 16-17 Cylinder kit (76.8mm stock bore)
    0931-0680
    549.95
    Forged piston kit A (99.95mm)
    0910-0255
    211.95
    Forged piston kit A (76.76mm piston)
    0910-4656
    254.95
    Repl. ring set
    0912-0101
    35.95
    Forged piston kit B (76.77mm piston)
    0910-4657
    254.95
    Gasket kit
    0934-1529
    76.95
    Repl. ring set
    0912-0668
    42.95
    Gasket kit (76.8mm)
    0934-5490
    59.95
    CYLINDER KITS continued on next page.
    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