CHAINS
CHAIN ADJUSTER BOLTS
AND NUTS
  • For stock applications (will not work with Bolt’s custom
  • billet chain adjuster block fasteners)
    CHAIN ADJUSTER EXTENDERS
  • Stainless steel (2) M8x50mm hex head bolts and (2) M8
  • Great for use when the rear axle is at maximum
  • flange jam nuts with a 12mm A/F (hex)
    adjustment to extend wheelbase
  • Fit all stock applications that use an 8mm bolt (most
  • Help prevent adjuster bolts from bending under
  • Japanese models)
    increased torque loads
  • Includes anti-seize
  • Not for KTM
  • Meet or exceed OEM specs
  • Sold in sets of two
  • Made in the U.S.A.
  • Made in the U.S.A.
  • SUG. RETAIL .......................... $5.95 PART #
    1231-0387
    SUG. RETAIL ...................................... $12.95
    PART #
    M01067
    CHAIN TENSIONER
    HARDWARE KIT
  • Replacement chain tensioner hardware for most
  • stock applications of street and
    8MM CHAIN ADJUSTER
    off-road motorcycles
  • Top-quality adjuster, available in 8mm only
  • Metric class (grade) 8.8 for outstanding wear and durability
  • Universal fit
  • Durable zinc plated finish for ultimate corrosion protection
  • Kit contains the following class 8.8 hardware: two each M8x50 bolts with 10mm hex head
  • SUG. RETAIL ......................................... $4.95 and two each M8 flange nuts with 12mm hex head
    PART #
    1231-0080 SUG. RETAIL .......................... $2.99 PART #
    2401-0855
    1231-0379
    1231-0380
    1231-0381
    1231-0384
    1231-0385
    CHAIN ADJUSTER BLOCKS
  • Now making your chain adjustment requires only one wrench – unique design features an integrated bolt
  • slot so the blocks stay in position even when the axle is removed
  • Each anodized 6061 aluminum block has permanently laser-etched aligning marks, placed so that only one
  • mark engages at a time, making aligning a snap
  • Kawasaki chain adjusters include a 22mm Fuji metal locknut to replace the stock cotter pin and castle nut
  • Husaberg/ KTM chain adjuster set features one threaded block for the stock axle
  • Fasteners have anti-seize compound pre-applied to the threads
  • Includes installation instructions and two Bolt stickers
  • Made in the U.S.A.
  • SUG.
    SUG.
    SUG.
    FITS MODEL
    COLOR
    PART #
    RETAIL
    FITS MODEL
    COLOR
    PART #
    RETAIL
    FITS MODEL
    COLOR
    PART #
    RETAIL
    HONDA
    KAWASAKI (CONT)
    SUZUKI
    CR125R 00-07
    Red
    1231-0379
    $52.95
    KX250F 04-16
    Green
    1231-0381
    $57.95
    RM-Z250 04-17
    Red
    1231-0383
    $52.95 ENGINE
    Black
    1231-0414
    52.95
    Red
    1231-0382
    57.95
    Black
    1231-0417
    52.95
    CR250R 00-07
    Red
    1231-0379
    52.95
    Black
    1231-0416
    57.95
    RM-Z450 05-17
    Red
    1231-0383
    52.95
    Black
    1231-0414
    52.95
    Blue
    1231-0549
    57.95
    Black
    1231-0417
    52.95
    CRF250R 04-16
    Red
    1231-0379
    52.95
    KLX450R 08-09
    Green
    1231-0381
    57.95
    RMX450Z 10-12
    Red
    1231-0383
    52.95 FUEL/AIR
    Black
    1231-0414
    52.95
    Red
    1231-0382
    57.95
    Black
    1231-0417
    52.95 SYSTEMS
    CRF250X 04-16
    Red
    1231-0379
    52.95
    Black
    1231-0416
    57.95
    YAMAHA
    Black
    1231-0414
    52.95
    Blue
    1231-0549
    57.95
    YZ125/ 250 02-16
    Black
    1231-0384
    52.95
    CRF450R 02-16
    Red
    1231-0379
    52.95
    KX450F 06-15
    Green
    1231-0381
    57.95
    Blue
    1231-0385
    52.95 HARDWARE &
    Black
    1231-0414
    52.95
    Red
    1231-0382
    57.95
    WR250F/ 426F/ 450F
    CRF450X 05-16
    Red
    1231-0379
    52.95
    Black
    1231-0416
    57.95
    02-09/11-16
    Black
    1231-0384
    52.95
    Black
    1231-0414
    52.95
    Blue
    1231-0549
    57.95
    Blue
    1231-0385
    52.95
    HUSABERG
    KTM
    YZ250F/ 426F/ 450F 02-08 Black
    1231-0384
    52.95
    All models 05-12
    Orange 1231-0380
    71.95
    125-640 05-12 (all),
    Blue
    1231-0385
    52.95 CROSS
    Black
    1231-0415
    71.95
    EXC/XC-W 13-17
    Orange 1231-0380
    71.95
    YZ250F 09-11
    Black
    1231-0386
    52.95 REFERENCE
    KAWASAKI
    Black
    1231-0415
    71.95
    YZ250F 12-16
    Black
    1231-0418
    52.95
    KX125/ 250 04-07
    Green
    1231-0381
    57.95
    125-450 SX/SX-F/
    YZ450F 09
    Black
    1231-0386
    52.95
    Red
    1231-0382
    57.95
    XC/ XCF 13-17
    Orange 1231-0510
    71.95 YZ450F 12-17
    Black
    1231-0418
    52.95
    Black
    1231-0416
    57.95
    Blue
    1231-0549
    57.95
    2017 PARTS UNLIMITED OFFROAD