(some changes from standard 900 SS/SP are underlined)
type: air & oil cooled, transverse, 4-stroke, 90° V-twin.
bore & stroke (displacement): 92.0 mm x 68.0 mm (904 cc).
compression ratio: 9.2:1.
max RPM: 9,000.
TIMING SYSTEM:
arrangement: SOHC, 2-valves/cylinder, opening/closing rockers via toothed-belts.
actuation: desmodromic.
valve diameters - intake: 43 mm - exhaust: 38 mm.
valve timing (with 1 mm clearance):
intake: opens before TDC 24°, closes after BDC 70°.
exhaust: opens before BDC 58°, closes after TDC 29°.
LUBRICATION:
type: forced feed gear driven pump with inline oil cooler.
pump flow rate: 2.60 L/minute (0.69 gallon/minute) @ 1,000 RPM.
capacity: 3.50 L (0.92 gallon).
FUEL SYSTEM:
carburetors: two 38 mm Mikuni CV (BST 38 B 73).
main jet: 140.
starting jet: 70.
jet needle: 5C22-1.
needle jet: Y-2.
pilot jet: 37.5.
fuel capacity: 17.5 L (4.62 gallons).
consumption: 19.0 Km/L average (44.7 miles/gallon average).
IGNITION SYSTEM:
type: electronic induction discharge.
spark plugs: Champion RA6HC.
electrode gap: 0.6 mm (0.0236 inch).
TRANSMISSION:
clutch type: multiple-disk dry clutch controlled by a hydraulic circuit.
transmission: 6-ratio gearbox, constant mesh, straightcut gears, idle gears supported by roller cages.
primary drive - primary gear: Z32 - clutch gear: Z59 - transmission ratio: 1.844.
gear ratios:
1st gear: Z=37/15 (2.467).
2nd gear: Z=30/17 (1.765).
3rd gear: Z=27/20 (1.350).
4th gear: Z=24/22 (1.091).
5th gear: Z=23/24 (0.958).
6th gear: Z=24/28 (0.857).
final drive - countershaft sprocket: Z15 - rear wheel sprocket: Z37.
chain: DID 520 VL4 (5/8 inch x 1/4 inch with 96 links).
FRAME:
type: tubular, chrome-molybdenum steel trestle.
rake: 25° - trail: 103 mm (4.06 inches).
steering angle: 28°, both right and left.
SUSPENSION:
front: Showa, oil-dynamic, 41 mm (1.61 inches) inverted forks with
120 mm (4.72 inches) travel, with preload, rebound damping, and compression damping adjustments.
rear: Showa, oil-pneumatic, progressive shock with
62 mm (2.44 inches) shock travel and 125 mm (4.92 inches) wheel travel, with
preload, rebound damping, and compression damping adjustments.
BRAKES:
front: Brembo, dual 320 mm (12.60 inches) full-floating, cast iron rotors with
4-piston staggered diameter Brembo calipers.
rear: Brembo, single 245 mm (9.65 inches) fixed, steel rotor with
floating 2-piston Brembo caliper and stay arm.
WHEELS:
type: tubeless radial type on Brembo three-spoke cast aluminum alloy rims.
front: 3.5 x 17 (120/70 ZR17).
rear: 5.5 x 17 (170/60 ZR17).
ELECTRICAL SYSTEM:
battery: 12 V – 16 Ah.
alternator: 12 V – 520 W (3-phase).
headlight: 12 V – 55/60 W.
taillight: 12 V – 5/21 W.
turn signals: 12 V – 10 W.
fuses: 30 A (main), two 15 A, and two 7.5 A.
WEIGHTS:
185 Kg (407 lbs) dry.
DIMENSIONS:
overall length: 2030 mm (79.92 inches).
overall width: 730 mm (28.74 inches).
overall height: 1125 mm (44.29 inches).
wheelbase: 1410 mm (55.51 inches).
seat height: 780 mm (30.71 inches).
footpeg height - front: 360 mm (14.17 inches) - rear: 490 mm (19.29 inches).
ground clearance: 150 mm (5.91 inches).