Honda NSR 250 MC21 Tuning, and Part Supply Information

Honda NSR250R MC16, MC18 MC21 and MC28 Service Manual in English

Honda NSR250R Parts Manual On-Line

Counter Shaft (Front) Sprocket:
  • Afam part# 20315-15 (15 tooth count) steel - $34.00 (USD)
    This is the same sprocket that is used on the US spec VTR250's

Rear Sprocket:

  • Afam part#'s
    • 21-11315H40 (40 is tooth count) Aluminum Alloy - $68.00 (USD)
  • Sprocket Specialists part #'s
    • 8717-43 (43 is tooth count) Aluminum Alloy - $37.00 (USD)

Spark Plugs:

  • NGK part#'s
    • BR9ECM (BR8ECM, BR10ECM) - $8.95 (USD)

    I found that KTM dealers normally stock them for around $11.95 (USD), but found a better source (possible NGK distributor) that has them for $8.95 (USD)

Brake Pads:

  • EBC part#'s
    • FA187HH - $30.00 - $35.00 (USD) a pair

    These pads are shared with the RC45, RC30, CBR900RR, VTR1000F, and CB1000

Battery:

  • Yuasa part#
    • YT4L-BS - $35.00 (USD) at local MC dealer.

Engine Parts:

  • Reed Cages
    • Same as 87 RM125 reed cage gasket
    • Also same as a YZ400 Reed Block
  • Base Gasket
    • Same as CR125, with a need to trim off the powervalve part of it.
  • Coils
    • Same as Arrow Scooter

Wheel Bearing:

  • Front:
    • Bearings - 96150-60040-10 (60/04LU) (X2)
    • Seals - 91257-230-003 (28X42X7) (X2)
  • Rear
    • Bearings - 96150-60220-10 (60/22LU) (X2)
    • Beatings - 96150-62220-10 (62/22LU) (X1)

Clutch Parts

  • Wet Clutch:
    • EBC
      • Fiber Plates - CK1181 - Used on Honda VT600 C/CD
      • Steel Plates - ?
      • Springs - CSK9 - Used on Honda VTR250
    • Barnett
      • Fiber Plates - (Kevlar) HPK2 (Pack of 6)
      • Steel Plates - HP-45-20 (Pack of 6)
      • Springs - MT-50-4
  • Dry Clutch:
    • Could not find part numbers for Dry Clutch parts

Contact Information:

  • Afam - (800) 290-9040 or (714) 379-9040
  • Sprocket Specialists - (888) 782-8202 or (530) 533-0802
  • NGK - (949) 580-0668 (possible distributor (909) 672-8501)

Stuff For Sale:

  • Oil pump hole cover (See Pictures) $5.00 US Only + shipping (COD only)
 
 
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