Remove Trigger Disc inside the Speedo

Power Restriction (Deliberate Restrictions made by Honda Corporation

To comply with Japanese Law);

CBR250(F) + CBR250R(H+J+K) + CBR250RR(L+N) : None

CBR250RR(R) : Inlet Port sizes reduced

Rev–Limit Restriction;

CBR250(F) + CBR250R(H+J+K) + CBR250RR(L+N+R) : 18,500rpm

· General

Cylinder numbering (from left to right when sitting on bike) : 1 – 2 – 3 – 4

Firing Order : 1 – 2 – 4 – 3

Spark Plugs :

Type : NGK CR9EH–9 or (CR9EHVX–9)

Gap : 0.8 – 0.9 mm

Top Speed : 180km/h (speed limited), unrestricted 200km/h (approx.)

Max Power : (BHP = PS * 0.986) (kW = BHP * 0.7457)

CBR250(F) : 45PS at 14,500rpm

CBR250R(H+J+K) : 45PS at 15,000rpm

CBR250RR(L+N) : 45PS at 15,000rpm

CBR250RR(R) : 40PS at 14,500rpm

Max Torque : (Lb/ft = kg/m * 7.233) (Nm = kg/m * 9.804)

CBR250(F) : 2.5kg/m at 10,500rpm

CBR250R(H+J+K) : 2.6kg/m at 10,500rpm

CBR250RR(L+N) : 2.5kg/m at 12,000rpm

CBR250RR(R) : 2.4kg/m at 11,500rpm

Carburettor Type : Keihin 4 x CV

Starter : Electric

Clutch : Wet Multi–Plate

Transmission : 6–speed Constant Mesh

Final Drive : Chain

Bore x Stroke : 48.5mm x 33.8mm

Displacement : 249cm³

Tyre Pressure (unless indicated on tyre sidewall);

CBR250(F) + CBR250R(H);

Front : 2.0kg/cm²

Rear : 2.5kg/cm²

CBR250R(J+K) + CBR250RR(L+N+R);

Front : 2.25kg/cm²

Rear : 2.5kg/cm²

Tyres :

CBR250(F+H);

Front : 100/80–17 52H

Rear : 130/70–17 62H

CBR250R(J+K);

Front : 100/80–17 52H

Rear : 140/70–17 66H

CBR250RR(L+N+R);

Front : 110/70R17 54H

Rear : 140/60R17 63H

Front Suspension : Conventional Forks - 37mm Diameter (No Adjustments)

Rear Suspension : Mono Shock (Preload only adjustments)

Front Brake;

CBR250(F)+CBR250R(H):???mm Dual disc,2 piston Hydraulic callipers

CBR250R(J+K) : ???mm Single disc, 2 piston Hydraulic callipers

CBR250RR(L+N+R) : 275mm Dual disc, 2 piston Hydraulic callipers

Rear Brake;

CBR250(F) : 141mm Cable Drum Brake

CBR250R(H+J+K) + CBR250RR(L+N+R) : 220mm Single disc, 1 piston

Hydraulic calliper

Dimensions : (Length x Width x Height)

CBR250(F) : 2000x685x1120

CBR250R(H) : 2000x680x1120mm

CBR250R(J+K) : 2020x685x1075mm

CBR250RR(L+N+R) : 1975x675x1080mm

Wheel Base :

CBR250(F) : 1370mm

CBR250R(H) : 1365mm

CBR250R(J+K) : 1365mm

CBR250RR(L+N+R) : 1345mm

Ground Clearance :

CBR250R(F+H) : 140mm

CBR250R(J+K) : 135mm

CBR250RR(L+N+R) : 130mm

Weight (Dry) :

CBR250(F) : 153kg (77kg – Front, 76kg – Rear)

CBR250R(H) : 155kg (78kg – Front, 77kg – Rear)

CBR250R(J+K) : 154kg (77kg – Front, 77kg – Rear)

CBR250RR(L+N) : 157kg (80kg – Front, 77kg – Rear)

CBR250RR(R) : 158kg (81kg – Front, 77kg – Rear)

· Engine (Liq.–cooled,4–stroke,16–valve DOHC,inline 4 Cyl.)

Engine Oil Type : API grade SE, SF or SG motorcycle oil

Engine Oil Viscosity : SAE10W–40 or SAE20W–50

Oil Capacity :

Oil change : 2.2 litres

Oil and Filter change : 2.4 litres

Engine overhaul with new filter : 2.7 litres

Oil Pressure : 4.0 – 5.0kg/cm² at 6,000rpm, oil at 60^oC

Inlet Valve (1mm Lift);

Opens (Before Top Dead Centre);

CBR250(F) : 10˚ BTDC

CBR250R(H) : 18˚ BTDC

CBR250R(J+K) + CBR250RR(L+N) : 19˚ BTDC

CBR250RR(R) : 20˚ BTDC

Closes (After Bottom Dead Centre);

CBR250(F) : 40˚ ABDC

CBR250R(H) : 34˚ ABDC

CBR250R(J+K) + CBR250RR(L+N) : 33˚ ABDC

CBR250RR(R) : 20˚ ABDC

Exhaust Valve (1mm Lift);

Opens (Before Bottom Dead Centre);

CBR250(F) : 30˚ BBDC

CBR250R(H+J+K) + CBR250RR(L+N) : 36˚ BBDC

CBR250RR(R) : 29˚ BBDC

Closes (After Top Dead Centre);

CBR250(F) : 10˚ ATDC

CBR250R(H+J+K) + CBR250RR(L+N) : 11˚ ATDC

CBR250RR(R) : 3˚ ATDC

Cam Lobe Diameter;

CBR250(F) + CBR250R(H) :

IN : 29.15mm

Service Limit : 29.00mm

EX : 28.85mm

Service Limit : 28.70mm

CBR250R(J+K) :

IN : 29.44 – 29.68mm

Service Limit : 29.41mm

EX : 28.96 – 29.20mm

Service Limit : 28.85mm

CBR250RR(L+N) :

IN : 28.94 – 29.18mm

Service Limit : 28.91mm

EX : 28.51 – 28.75mm

Service Limit : 28.48mm

CBR250RR(R) :

IN : 28.72 – 28.80mm

Service Limit : 28.69mm

EX : 28.51 – 28.75mm

Service Limit : 28.48mm

Cam Journal Diameter : 19.978 – 19.993mm

Service Limit : 19.970mm

Cam Journal Oil Clearance;

Cylinders 1,2,4 : 0.015 – 0.057mm

Service Limit : 0.06mm

Cylinder 3 : 0.025 – 0.067mm

Service Limit : 0.07mm

Head INLET;

Stem Diameter :

CBR250(F) : 3.970 – 3.995mm

Service limit – 3.965mm

CBR250R(H) : 3.478 – 3.492mm

Service limit – 3.473mm

CBR250R(J+K) + CBR250RR(L+N+R) : 3.481 – 3.495mm

Service limit – 3.47mm

Guide Bore Diameter :

CBR250(F) : 4.000 – 4.012mm

Service limit – 4.065mm

CBR250R(H+J+K) + CBR250RR(L+N+R) : 3.500 – 3.512mm

Service limit – 3.565mm

Stem to Guide Clearance :

CBR250(F) : 0.005 – 0.042mm

Service limit – 0.1mm

CBR250R(H) : 0.008 – 0.034mm

Service limit – 0.092mm

CBR250R(J+K) + CBR250RR(L+N+R) : 0.005 – 0.042mm

Service limit – 0.1mm

Seat Width : 0.8mm

Service limit – 1.3mm

Head EXHAUST;

Stem Diameter :

CBR250(F) : 3.950 – 3.975mm

Service limit – 3.935mm

CBR250R(H+J+K) + CBR250RR(L+N+R) : 3.460 – 3.475mm

Service limit – 3.445mm

Guide Bore Diameter :

CBR250(F) : 4.000 – 4.012mm

Service limit – 4.065mm

CBR250R(H+J+K) + CBR250RR(L+N+R) : 3.500 – 3.512mm

Service limit – 3.565mm

Stem to Guide Clearance :

CBR250(F) : 0.005 – 0.050mm

Service limit – 0.13mm

CBR250R(H) : 0.025 – 0.052mm

Service limit – 0.132mm

CBR250R(J+K) : 0.005 – 0.050mm

Service limit – 0.13mm

CBR250RR(L+N+R) : 0.020 – 0.047mm

Service limit – 0.13mm

Seat Width : 1.0mm

Service limit – 1.5mm

Valve Spring Free Length (IN and EX) :

CBR250(F) : 37.3mm

Service limit – 36.3mm

CBR250R(H) : 38.58mm

Service limit – 37.6mm

CBR250R(J+K) : 37.3mm

Service limit – 36.3mm

CBR250RR(L+N+R) : 37.65mm

Service limit – 36.65mm

Inlet Port Diameter :

CBR250(F) : 28mm ???

CBR250R(H) : 30mm ???

CBR250R(J+K) : 32mm ???

CBR250RR(L+N) : 30mm ???

CBR250RR(R) : 25mm ???

Date: 2016-01-03; view: 1316