ENGINE
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
  • installation instructions
    4-stroke cylinder kit
    STOCK BORE RACE CYLINDER KITS
  • Include aluminum cylinder with nickel-carbide coating, ported to Factory Works specs
  • anti-detonation features (except where noted)
  • Two-stroke kits feature specially designed, high-performance, hard-anodized power valves (cannot use OEM)
  • Specially designed, high-performance, Cast-Lite flat-top piston kit
  • Athena top-end gasket set including required seals and hardware
  • BIG BORE RACE CYLINDER KITS
  • Include aluminum cylinder with nickel-carbide coating
  • Athena top-end gasket set including required seals and hardware
  • Easy-to-follow, step-by-step installation instructions
  • SUG.
    SUG.
    DESCRIPTION
    P ART  #
    RETAIL
    FITS MODEL
    DESCRIPTION
    P ART  #
    RETAIL
    HONDA
    HONDA (CONT)
    CRF150R 07-10
    Cylinder kit (69mm big bore) 163.5cc
    0931-0307
    $509.95
    CRF230F 07-15
    Cylinder kit (67mm big bore) 233cc
    0931-0662
    $305.95
    Repl. forged piston
    0910-2002
    199.95
    Repl. cast piston +0.25
    0910-4191
    81.95
    Repl. ring set
    0912-0331
    43.95
    Repl. cast piston +0.50
    0910-4192
    81.95
    Gasket kit
    0934-1968
    45.95
    Gasket kit
    0934-4814
    25.95
    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