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Motorcycle Technical

Honda NSF250R Technical Data

IDEMITSU Asia Talent Cup

Overall length 1,809 mm (71.2 in)
Overall width 560 mm (22.0 in)
Overall height 1,037 mm (40.8 in)
Wheelbase 1,219 mm (48.0 in)
Ground clearance 107 mm (4.2 in)
Seat height standard 729 mm (28.7 in)
Type Aluminium, twin tube
Front suspension Telescopic, inverted type
Rear suspension Swinger, Pro-link
Front tire size 95/75R17
Rear tire size 115/75R17
Front brake Single disc 296 mm, with 4-piston caliper
Rear brake Single disc 186 mm, with single piston caliper
Fuel capacity 11.0 liter (2.91 US gal, 2.42 Imp. gal)
Type Liquid cooled 4-stroke engine
Cylinder arrangement Single cylinder, inclined 15º from vertical
Bore and stroke 78.0 x 52.2 mm (3.07 x 2.06 in)
Displacement 249.3 cm3 (15.21 cu-in)
Compression ratio 12.3:1
Valve train Chain driven, DOHC
Lubrication system Semi-dry sump, forced pressure and wet sump
Oil pump type Trochoid
Throttle body type GQD1A
Throttle bore 50 mm (2.0 in)
Clutch operating system Cable operated
Clutch type Wet, multi-plate
Transmission 6 speeds constant mesh
Final reduction 2.333 (15/35T)
Gearshift pattern 1 – N – 2 – 3 – 4 – 5 – 6 (1 down and 5 up)
Fuel Delivery System PGM-FI
Ignition system Full Transistor

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