MC21
1990 - 1993 NSR 250R Specifications
Check out much more info below
Model type MC21
Length in Meters 1.975
Width ( m ) 0.655
Height ( m ) 1.060
Wheel base 1.340
Ground clearance ( m ) 0.135
Seat height 0.770
Wet weight ( kg ) R : 151 , SE : 153 , SP : 152
Dry Weight ( kg ) R : 132 , SE : 134 , SP : 133
Rider capacity 1 rider + 1 passenger
Fuel consumption ( km/liter ) 30.2 at 50 km/h cruising speed
Engine type MC16E Liquid cooled two stroke 90 degree two cylinder V-twin crankcase reed valve
Displacement 249 c.c.
Bore x stroke 54.0 x 54.5
Compression 7.4 : 1
Maximum power ( PS/rpm ) 45 / 9,500
Maximum torque ( kgm/rpm ) 3.7 / 8500
Carburetor TA 22
Starter Kick starter
Ignition CDI type
Oil capacity ( liter ) 2.0
Fuel capacity ( liter ) 16
Clutch type R : Wet type coil springs , SE and SP : Dry type coil springs
Transmission 6 speed return
Gear ratio 1st: 2.846
2nd: 2.000
3rd: 1.578
4th: 1.333
5th: 1.190
6th: 1.083
Primary Ratio 2.360
Final Ratio 2.667
Primary Drive Gear 25 / 59
Stock sprocket size Front: 15T , Rear: 40T
Caster degree 23 ° 15 degrees
Trail ( m.m. ) 87
Tire size Front: 110/70-17 , Rear 150/60-17
Brakes Front: Hydraulic double discs ( 276 m.m. ) with four-piston calipers , Rear: Hydraulic disc
Suspension R type : Front: Telescopic semi adjustable for preload only, Rear: Single shock swingarm non-adjustable
SE and SP type : Front: Telescopic cartridge valve fully adjustable type for preload and rebound, Rear: Single shock adjustable damper ( Tension / compression ) Pro Link Gullarm swingarm
Frame Aluminum twin tube diamond type frame
Engine Performance Curve
Driving Performance Curve

Color Variations

1990 NSR 250R - 61K Click for full size 1990 NSR 250R - 67K Click for full size 1990 NSR 250R - 63K Click for full size
Red/White/Blue
1990 - 1991 250R
Blue/White/Yellow
1990 - 1991 250R
Black/Red/Gunmetal
1990 - 1991 250R
1990 NSR 250R SP - 67K Click for full size 1991 NSR 250R - 68K Click for full size 1991 NSR 250R SP - 67K Click for full size
Cabin Racing Colors
1990 only 250R SP
Black and gun metal grey
1991 250R
Pentex Racing Colors
1991 only 250R SP
1991 NSR 250R SE - 70K Click for full size 1992 - 1993 NSR 250R SE - 71K 1992 NSR 250R - 65K Click for full size
Fighting Red and White
1991 250R SE
Black and Fighting Red
1992 - 1993 250R SE
Ross White and Real Blue
1992 - 1993 250R
1992 - 1993 NSR 250R SE - 65K 1992 NSR 250R SP - 65K Click for full size 1993 NSR 250R SP - Flash colors 79K
Fighting red and white
1992 - 1993 250R SE
Rothmans Racing Colors
1992 only 250R SP
Flash Colors
1993 only 250R SP

68K - rear wheel
63K - front wheel
80K - Standard R Engine , standard clutch ( wet )
64K - R model top clamp and gauges
73K - Curved Radiator
50K - Standard R seat brake lights
61K - Seat storage compartment
46K - Click for more, SE brake lights
76K - Click for larger image of SE front adjusters
54K - Rear shock adjuster ( SE and SP only )
78K - Click for dry clutch ( SE and SP only )

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