Honda RS250R: Difference between revisions
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{{Infobox Motorcycle |
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The Honda RS250R is a twin cylinder 250cc two-stoke GP (Grand Prix) racing motorcycle built for racing purposes only. |
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|name = Honda RS250R |
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|image = Nobuatsu Aoki 1992 Japanese GP.jpg |
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|aka = |
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|manufacturer = Honda |
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|parent_company = |
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|production = 1984–2009 |
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|model_year = |
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|assembly = |
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|predecessor = Honda CR72 |
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|successor = Kalex Moto2 ([[Honda CBR600RR]]) |
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|class = 250 cc |
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|engine = {{Convert|249|cc|abbr=on}} [[two-stroke engine]] 75° [[V-twin]] |
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|bore_stroke = {{Convert|54|×|54.5|mm|abbr=on}} |
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|compression = |
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|top_speed = |
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|power = {{Convert|118|hp|abbr=on}} @ 12,900 rpm |
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|torque = |
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|ignition = |
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|transmission = |
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|frame = |
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|suspension = |
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|brakes = |
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|tires = |
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|rake_trail = |
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|wheelbase = {{Convert|1340|mm|abbr=on}} |
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|length = {{Convert|1954|mm|abbr=on}} |
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|width = {{Convert|640|mm|abbr=on}} |
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|height = {{Convert|1090|mm|abbr=on}} |
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|seat_height = |
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|dry_weight = {{Convert|91|kg|abbr=on}} |
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|wet_weight = |
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|fuel_capacity = {{cvt|21|L}} |
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|oil_capacity = |
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|fuel_consumption = |
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|turning_radius = |
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|related = [[Honda NSR250]] |
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}} |
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The '''Honda RS250R''' was a race [[motorcycle]] manufactured by [[Honda]] to race in the 250cc class of the [[Grand Prix motorcycle racing|Grand Prix motorcycle World Championship]]. It was conceived as a ''production racer'' for customer teams and privateer riders, while factory-supported teams raced the works bikes RS250RW and [[Honda NSR250|NSR250]]. |
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The RS250R debuted in 1984 as a development prototype, racing in the domestic [[All Japan Road Race Championship]] and entering some rounds in the World Championship. It was put on sale for customer teams for the {{MGP|1985}} season onwards. |
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More info from Honda / HRC can be found here: [http://world.honda.com/HRC/products/rs250r/] |
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The Honda RS250R featured a [[V-twin]] 250 cc [[two-stroke engine]] with a V-angle of 90 degrees. A new 75 degrees V-twin was introduced in 1993. |
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==2008 Honda RS250R specifications== |
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Between 1984 and 2009 the RS250R has been produced in four different generations, named: ND5 (1984), NF5 (1987), NX5 (1993) and NXA (2001). |
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<table width="550" border="0" cellpadding="0" cellspacing="0"> |
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<tr valign="top"> |
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<td>MODEL</td> |
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<td>RS250R</td> |
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The bike should not be confused with the RS250RW, which was the name adopted for factory bikes in 1985 and from 2003 to 2009. Between 1986 and 2002 the factory bikes were named NSR250. |
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</tr> |
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<tr valign="top"> |
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<td>TYPE</td> |
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<td>MR02</td> |
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</tr> |
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<tr valign="top"> |
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<td>LENGTH × WIDTH × HEIGHT</td> |
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<td>1954×640×1090mm</td> |
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==See also== |
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</tr> |
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*[[Honda NSR250]] |
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<tr valign="top"> |
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*[[KTM 250 FRR]] |
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<td>WHEELBASE</td> |
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*[[Aprilia RSV 250]] |
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<td>1340mm</td> |
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*[[Suzuki RGV250]] |
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</tr> |
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*[[Kawasaki KR250]] |
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<tr valign="top"> |
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*[[Gilera GFR 250]] |
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<td>GROUND CLEARANCE</td> |
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*[[Yamaha YZR 250]] |
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<td>110mm</td> |
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</tr> |
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<tr valign="top"> |
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<td>SEAT HEIGHT</td> |
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<td>785mm</td> |
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== External links == |
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</tr> |
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* [http://www.racingsm.org/hondars.php 1997 model specifications] |
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<tr valign="top"> |
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* [http://www2s.biglobe.ne.jp/~h-oka/home/rs/rs_etc.htm History of the RS250R (Japanese)] |
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<td>CASTERANGLE</td> |
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<td>22° 30'</td> |
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</tr> |
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<tr valign="top"> |
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<td>WEIGHT (SEMI DRY)</td> |
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<td>101kg</td> |
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</tr> |
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<tr valign="top"> |
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<td>ENGINE TYPE</td> |
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{{Commons category}} |
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<td>LIQUID-COOLED 2-STROKE CRANKCASE REED VALVE 75° V-TWIN</td> |
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</tr> |
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<tr valign="top"> |
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<td>DISPLACEMENT</td> |
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<td>249cm3</td> |
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</tr> |
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<tr valign="top"> |
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<td>BORE AND STROKE</td> |
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<td>54×54.5mm</td> |
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{{Grand Prix motorcycles}} |
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</tr> |
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<tr valign="top"> |
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<td>MAX. POWER OUTPUT</td> |
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<td>67.7kw/12500rpm</td> |
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</tr> |
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<tr valign="top"> |
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<td> </td> |
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<td>92PS/12500rpm (UNLEADED HIGH-OCTANE FUEL)</td> |
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</tr> |
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<tr valign="top"> |
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<td>MAX. TORQUE</td> |
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<td>52.3N•m/12000rpm</td> |
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{{DEFAULTSORT:Honda Rs250r}} |
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</tr> |
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[[Category:Honda motorcycles|RS250R]] |
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<tr valign="top"> |
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[[Category:Grand Prix motorcycles]] |
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<td> </td> |
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[[Category:Two-stroke motorcycles]] |
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<td>5.33kgf-m/12000rpm (UNLEADED HIGH-OCTANE FUEL)</td> |
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</tr> |
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<tr valign="top"> |
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<td>CARBURETOR</td> |
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<td>KEIHIN PJ38 THROTTLE SENSOR-EQUIPPED POWER JET CONTROLCARBURETOR × 2</td> |
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</tr> |
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<tr valign="top"> |
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<td>IGNITION</td> |
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{{motorcycle-stub}} |
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<td>DIGITAL CDI</td> |
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</tr> |
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<tr valign="top"> |
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<td>TRANSMISSION</td> |
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<td>6-SPEED</td> |
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</tr> |
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<tr valign="top"> |
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<td>CLUTCH</td> |
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<td>DRY MULTIPLATE</td> |
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</tr> |
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<tr valign="top"> |
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<td>FUEL TANK CAPACITY</td> |
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<td>21 LITERS</td> |
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</tr> |
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<tr valign="top"> |
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<td>ENGINE OIL CAPACITY</td> |
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<td>0.5 LITERS</td> |
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</tr> |
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<tr valign="top"> |
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<td>FRAME TYPE</td> |
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<td>ALUMINUM TWIN-SPAR</td> |
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</tr> |
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<tr valign="top"> |
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<td>BRAKE</td> |
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<td>296mm DUAL FLOATING DISK WITH 4-PISTON CALIPER</td> |
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</tr> |
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<tr valign="top"> |
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<td> </td> |
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<td>198mm single disk with single piston caliper</td> |
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</tr> |
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<tr valign="top"> |
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<td>WHEEL</td> |
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<td>3.50-17 6-SPOKE 'U' SECTION CAST MAGNESIUM</td> |
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</tr> |
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<tr valign="top"> |
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<td> </td> |
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<td>5.50-17 8-SPOKE 'U' SECTION CAST MAGNESIUM</td> |
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</tr> |
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<tr valign="top"> |
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<td>SUSPENSION</td> |
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<td>FULLY ADJUSTABLE 41mm INVERTED TELESCOPIC FORK</td> |
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</tr> |
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<tr valign="top"> |
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<td> </td> |
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<td>REMOTE RESERVOIR DAMPER</td> |
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</tr> |
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</table> |
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Latest revision as of 04:52, 26 November 2023
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| Manufacturer | Honda |
|---|---|
| Production | 1984–2009 |
| Predecessor | Honda CR72 |
| Successor | Kalex Moto2 (Honda CBR600RR) |
| Class | 250 cc |
| Engine | 249 cc (15.2 cu in) two-stroke engine 75° V-twin |
| Bore / stroke | 54 mm × 54.5 mm (2.13 in × 2.15 in) |
| Power | 118 hp (88 kW) @ 12,900 rpm |
| Wheelbase | 1,340 mm (53 in) |
| Dimensions | L: 1,954 mm (76.9 in) W: 640 mm (25 in) H: 1,090 mm (43 in) |
| Weight | 91 kg (201 lb) (dry) |
| Fuel capacity | 21 L (4.6 imp gal; 5.5 US gal) |
| Related | Honda NSR250 |
The Honda RS250R was a race motorcycle manufactured by Honda to race in the 250cc class of the Grand Prix motorcycle World Championship. It was conceived as a production racer for customer teams and privateer riders, while factory-supported teams raced the works bikes RS250RW and NSR250.
The RS250R debuted in 1984 as a development prototype, racing in the domestic All Japan Road Race Championship and entering some rounds in the World Championship. It was put on sale for customer teams for the 1985 season onwards.
The Honda RS250R featured a V-twin 250 cc two-stroke engine with a V-angle of 90 degrees. A new 75 degrees V-twin was introduced in 1993.
Between 1984 and 2009 the RS250R has been produced in four different generations, named: ND5 (1984), NF5 (1987), NX5 (1993) and NXA (2001).
The bike should not be confused with the RS250RW, which was the name adopted for factory bikes in 1985 and from 2003 to 2009. Between 1986 and 2002 the factory bikes were named NSR250.
See also
[edit]External links
[edit]
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