Honda NSR 250 MC21 Tuning, and Part Supply Information

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

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Honda NSR250R Parts Manual On-Line

• Work In Progress

• 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)