This listing all started when I had to get some bits for my sons NSR250 (which are no longer available from HONDA) and someone pointed me thankfully to the WEBIKE site (https://japan.webike.net/), to which I had a dickens of a job to find anything, that's probably more down to the way my 70 year old brain of not doing things the right way, many of you probably have a much better way of searching WEBIKE NSR250 spares listing than I!
Therefore after searching the WEBIKE site for certain parts and registering with WEBIKE I started receiving Emails from them detailing NSR250 offers, I so I started to compile a list of spares available (I thought it would be useful for the future and I do like paper LOL it's age thing).
The following is a summary list of spares (not totally comphrensive by any means) together with their Products codes of what I have found so far.
I am not sure whether this list is useful to anyone (I can only speak for myself and wish I had found WEBIKE site earlier), but if it is and you do want a more detailed list please PM me as I can further it to you.
The following are all NSR250 available parts some of which are for MC18 or MC21 or MC28 or all 3 (I didn't do MC16s I'm afraid).
All the very best
OIL SEALS 1
Water Pump Seal High Performance Oil Seal 1
Product E4-21011 1
Engine Set/wet Clutch High Performance Low Friction Oil Seal 1
Product E5-21045 1
Engine Set / Dry Clutch High Performance Low Friction Oil Seal 1
Product E5-2104 1
Perfect Set / Dry Clutch High Performance / Low Friction Oil Seal 2
Product E5-21046 2
Perfect Set / Wet Clutch High Performance/low Friction Oil Seal 2
Product E5-21047 2
Seal Low Friction Driven Gear /Dry Clutch Housing/ Oil Seal 3
Product E5-21043 3
Seal High Performance Kick Spindle Oil Seal 3
Product E3-21002 3
Seal High Performance /Dry Clutch/ Oil Seal 3
Product E5-21042 3
Seal High Performance RC Valve Oil Seal 4
Product E1-21005 4
Seal High Performance Clutch Release Lever Oil Seal 4
Product E8-21001 4
Seal High Performance Gear Shift Spindle Oil Seal 4
Product E11-21004 4
Seal Low Friction Rear Wheel Oil Seal 4
Product F10-21003 4
Seal Low Friction Front Wheel Oil Seal 5
Product F10-21002 5
Seal Low Friction Gearbox Countershaft Oil Seal 5
Product E10-21001 5
FORK SEALS 6
TECNIUM ??Fork?? Oil Seals w/out Dust Cover 6
Product 1043916 6
TECNIUM Blue Label Fork Oil Seal & Dust Cover Kit 6
Product 1042184 6
SKF Front Fork Seal Kit 7
Product KITG-41S 7
RC VALVE PULLEYS, CABLES & REED VALVES 9
DMR-JAPAN Reed Valve Spacer Dongabacho 9
Product E13-21035 9
DMR-JAPAN Wide Pulley Type2 (RC Valve Pulley) 10
Product F27-21002 10
T2 Racing RC Valve Titanium Works Pulley 11
Product T2-Ti-RC 11
T2 Racing RC Valves and Cables 12
Product T2-N25-W-BRC 12
T2 Racing Factory Pulley Kit [Racers Series] 13
Product T2RACERS-NE-RC 13
CLUTCH 15
DMR-JAPAN Ultra Light Aluminum Driven Gear Inner (Karukushima Senka) 15
Product E5-21001 15
DMR-JAPAN HI Mu Disc 5-Piece Reinforced Clutch 16
Product E5-21002 16
DMR-JAPAN Needle Bearing Conversion Kit 17
Product E5-21003 17
DMR-JAPAN HI Mu Disc 5-Piece Reinforced Clutch (Disc Plate Set) 18
Product E5-21021 18
DMR-JAPAN 6-Piece Clutch Kit 19
Product E5-21022 19
DMR-JAPAN 6-Piece Clutch Kit 20
Product E5-21023 20
DMR-JAPAN Clutch Plate 20
Product E5-21024 20
DMR-JAPAN Clutch Lifter Piece 21
Product E5-21026 21
DMR-JAPAN Clutch Lifter Rod 21
Product E5-21027 21
DMR-JAPAN Clutch Oh Kit 22
Product E5-21028 22
DMR-JAPAN (Dry & Wet) Reinforced Clutch Spring 22
Product E5-21029 22
DMR-JAPAN Spacer 23
Product E5-21030 23
DMR-JAPAN Bearing Collar 23
Product E5-21031 23
DMR-JAPAN Clutch Outer Collar (Clutch Outer Guide) 24
Product E5-21032 24
DMR-JAPAN Ultra Light Pressure Plate Kit 25
Product E5-21033 25
DMR-JAPAN Lightweight Clutch Kit Type1 26
Product E5-21034 26
DMR-JAPAN Lightweight Clutch Kit Type2 27
Product E5-21035 27
DMR-JAPAN Ultra Light Pressure Plate Kit 28
Product E5-21048 28
DMR-JAPAN Lightweight Clutch Kit 29
Product E5-21049 29
DMR-JAPAN Lightweight Clutch Plate 29
Product E5-21050 29
DMR-JAPAN Clutch Plate 30
Product E5-21052 30
T2 Racing Clutch Release Value Set [For Dry Engines] 30
Part Number T2-Ti-CRSTKS-D-BLBL 30
Product T2-Ti-CRS 31
T2 Racing Clutch Release Value Set [For Wet Engines] 32
Product T2-Ti-CRSTKS-W-BLBL 32
DMR-JAPAN Orbital Wheels [Replacement] 32
Product GP015 32
DMR-JAPAN Thrust Needle Bearing [Replacement] 33
Product GP016 33
CARBURETTOR 34
DMR-JAPAN Number 0, Power Jet, Mecra Jet. 34
Product E13-21028 34
DMR-JAPAN Honda Type Carburettor Drain Bolt (drain Screw) 34
Product E13-21033 34
POSH 6 Oversize Main Jet Set 35
Product 711613-10 35
T2 Racing Float Valve 36
Product KY-N25-008 36
T2 Racing Float Valve Seat 37
Product KY-N25-007 37
KEYSTER Carburettor Fuel Adjustment Kit 38
Product FH-5206N 38
KEYSTER Carburetor Fuel Tuning Kit 39
Product FH-5203NL 39
KEYSTER Fuel Adjustment Kit & Throttle Valve Guide Gasket 40
Product FH-5262NLP 40
KEYSTER Burning Kit & Throttle Valve Guide Gasket [for 1 Cylinder] 41
Product FH-5203NLP 41
KEYSTER Carburetor Fuel Adjustment Kit 42
Product FH-5105NR 42
KEYSTER Carburettor Fuel Tuning Kit 44
Product FH-5106NL 44
KEYSTER Carburetor Fuel Adjustment Kit 45
Product FH-5262NR 45
COOLING SYSTEM 46
DMR-JAPAN Clutch Cover Gasket Set 46
Product E3-21001 46
DMR-JAPAN Bearings For Water Pumps 46
Product E4-21001 46
DMR-JAPAN Mechanical Seal Oh Kit 47
Product E4-21002 47
DMR-JAPAN Racing Type (Mechanical Seal-less Kit) Water Pump Gear 48
Product E4-21003 48
DMR-JAPAN Water Pump Gear (Standard Type) 49
Product E4-21004 49
DMR-JAPAN Water Pump Gear Overhaul Kit (Stock Type) 50
Product E4-21005 50
DMR-JAPAN Street Type Water Pump Gear 51
Product E4-21006 51
DMR-JAPAN Water Pump Gear Gasket Set (Stock Type) 53
Product E4-21008 53
DMR-JAPAN Racing Type (Mechanical Less Kit) Water Pump Gear 54
Product E4-28001 54
DMR-JAPAN Water Pump Gear Gasket Set (Stock Type) 55
Product E4-28002 55
DMR-JAPAN Street Type Water Pump Gear 56
Product E4-28003 56
DMR-JAPAN Water Pump Gear Overhaul Kit (Standard Type) 58
Product E4-28005 58
DMR-JAPAN Water Pump Gear (Standard Type) 59
Product E4-28006 59
DMR-JAPAN Low-Temp Thermostat 60
Product E4-21010 60
T2 Racing Destra Water Pump Cover 61
Product NE-N25-WPC-RD 61
TYGA PERFORMANCE Water Pump Shaft/Gear 61
Product TPER-5003 61
TYGA PERFORMANCE Water Pump Shaft / Gear 62
Product TPER-5004 62
TYGA PERFORMANCE Water Pump Shaft 62
Product TPER-5002 62
T2 Racing Water Pump Gear RESIN [T2 Racing VERTEX Series] 63
Product NE-N25-WP1821R 63
T2 Racing Silicon Radiator Hose [Full Set] 64
Product T2-N25-RH18-S 64
ENGINE & ASSOCIATED PARTS 65
DMR-JAPAN Packing Set Above Waist 65
Product E1-21001 65
DMR-JAPAN Crank OH Kit A 66
Product E9-21005 66
T2 Racing Crank Centre Seal 67
Product T2-N25-88C 67
DMR-JAPAN Oil Seals For Oil Pumps 68
Product E7-21001 68
DMR-JAPAN Oil Pump Seal 69
Product E7-21002 69
DMR-JAPAN O-ring Set For Inside Of Oil Pump 70
Product E7-21003 70
DMR-JAPAN Special Reed Valve Kit 70
Product E7-21004 70
PROTEC GPS-01 Gear Position Sensor 71
Product 11609 71
T2 Racing Engine Mount Bolt Set 72
Product T2-Ti-set-023 Fitment HONDA 72
ELECTRICAL 73
Main Harness for MC18 (8

Product F28-18001 73
6V MONKEY/GORILLA Main Harness for MC21 74
Product F28-21002 74
DMR-JAPAN RC Valve Cable Adjustment Harness Hi Ni Susumukun 75
Product TL001 75
DMR-JAPAN Regulator Conversion Kit 76
Product F18-18001 76
DMR-JAPAN 16P Female Coupler Set for PGM 77
Product F28-21008 77
DMR-JAPAN OEM Replacement Handlebar Switch MC18 77
Product F3-18002 77
T2 Racing Super Lightweight Flywheel 78
Product NE-N25-FW3 78
ANCILLIARY 79
TYGA PERFORMANCE Fairing Set MC18 79
Product BPFS-0158 79
T2 Racing RSW Type Front Fender 80
Product T2-FF-RS-CC 80
K-PIT Lever Right Side MC18/21/28 81
Product 70-525-61041 81
NISSIN [Stock Lever] Brake Master Cylinder Kit MC18 88-89 81
Product 61743 81
T2 Racing Kevlar Carbon Stainless Steel Silencer [insert] 82
Product T2-CB-S-030 82
T2 Racing Blue Choke Wire 83
Product T2-N25-W-BCH28 83
ALCAN hands Clutch Wire 84
Product JB141C00 84
TOOLS 85
Primary Gear Holder (Crankshaft End in Clutch Housing) 85
Product TL006 85
DMR-JAPAN RC Valve Puller (Bolt Type) 85
Product TL004 85
DMR-JAPAN RC Valve Puller (Sliding Hammer Type) 86
Product TL003 86
Mechanical Seal Installer 86
Product TL007 86
DMR-JAPAN Rear Sprocket Flange Puller 87
Product TL005 87