Spec Sheet
The information below is specific to the Yamaha - XJ 900 F 87-90, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Yamaha - XJ 900 F 87
Bike Info
CC:
900
Bike Description:
2HL model now with slotted rather than ventilated discs
Chassis info:
58L-020101 > from 1991 4BB-000101 >
Service
Engine Oil Classification API:
SE or SF
Engine Oil Grade SAE:
SAE10W30(Winter) or SAE20W40(Summer)
Engine Oil quantity (litres):
2.5litres
Engine Oil quantity with filter (litres):
2.8litres or 3.6 litres following overhaul
Final Drive grade:
SAE 80 API GL-4 Hypoid gear oil or SAE 80W90 Hypoid gear oil
Final Drive quantity:
0.2litres
Fork oil grade:
SAE5W forkoil
Front Fork Oil cc (left leg):
276 cc 348 mm
Front Fork Oil cc (right leg):
276 cc 348 mm
Idle Speed (rpm):
1050 @ 50 rpm (1100 @ 50 rpm 31A model)
Spark Plugs Gap (mm):
0.7 to 0.8 mm
Tyre Pressure Back Bar / psi:
2.5 Bar / 36 psi
Tyre Pressure Front Bar / psi:
2.3 Bar / 32 psi
Valve Clearance Cold - Exhaust:
0.16 to 0.20 mm
Valve Clearance Cold - Inlet:
0.11 to 0.15 mm
Brakes
Front:
Twin Disc
Rear:
Disc
Brake fluid:
DOT 3 or DOT 4
Front Disc Size:
267mm
Front-Pistons-per-caliper:
2
Rear Disc Size:
267mm
Rear-Pistons-per-caliper:
2
Dimensions
Dry Weight:
218kg
Fuel Capacity:
22 litres
Ground Clearance:
145mm
Height:
1245mm
Length:
2215mm
Seat Height:
780mm
Trail:
114 mm
Wet Weight:
242kg
Wheelbase:
1480mm
Width:
735mm
Electrics
Voltage:
12v
Ignition:
CDI
Spark Plugs:
NGK BPR8ES
Engine
Type:
Air Cooled 4 Stroke DOHC Four
Bore x Stroke:
68.5 x 60.5mm
Carburation:
Mikuni BS36 x 4
Compression Ratio:
9.6:1
Displacement:
891cc
Firing Order:
1-2-4-3 (left to right side of the bike)
Lubrication System:
Wet Sump Pressurised Circulation
Pilot Screw Setting:
2.5
Starting:
Electric
Transmission
Clutch Type:
Wet, Multiple discs
Final Drive:
Shaft
Gearchange Pattern:
1st, neutral, 2nd,3rd,4th,5th
Gear Ratio 1st:
2.187:1
Gear Ratio 2nd:
1.500:1
Gear Ratio 3rd:
1.153:1
Gear Ratio 4th:
0.933:1
Gear Ratio 5th:
0.812:1
Transmission:
5-speed
Misc.
Frame:
Double cradle, steel
Motorcycle Style:
ROADSTER
Place of Manufacture:
Japan
Power
Fuel Consumption:
14.7kml
Max Power Output:
72 kW (98 HP) @ 9000rpm
Max Torque:
81 Nm (8,3kg-m) @ 7000rpm
Top Speed:
210kmh
Suspension
Front:
37mm Telescopic Fork
Front Travel:
140 mm
Rear:
Twin shock, Swingarm
Rear Travel:
100 mm
Tyres
Front:
100/90-V18 Tubeless
Rear:
120/90-V18 Tubeless
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.