| Engine |
| Type |
Air cooled/Oil cooled twin cylinder |
| Bore x stroke |
99 mm x 70.5 mm |
| Displacement |
1085 cc |
| Horsepower |
90 Bhp @ 7250 rpm |
| Torque |
69 lb.-ft. @ 5500 rpm |
| Compression ratio |
10.7:1 |
| Valve gear |
HC, chain-driven |
| Valves |
2 x 36 mm intake / 2 x 31 mm exhaust |
Valve timing
(measured at 3 mm valve clearance) |
intake opens 5 degrees after TDC
intake closes 33 degrees after BDC
exhaust opens 27 degrees before BDC
exhaust closes 5 degrees before TDC |
| Valves per cylinder |
four |
| Camshafts |
300 degrees |
| Engine oil capacity |
4 quarts of SF, SG motor oil, also w/CC or CD |
| Engine oil filter |
spin-on Micronic filter cartridge |
| Carburetion |
fuel injection and electronic ignition MA 2.2 |
| Ignition |
controlled by Bosch Motronic |
| Fuel demand |
unleaded, middle-grade premium, 89 (AKI) |
| Fuel tank |
polyamide tank with enclosed fuel pump & filter |
| Fuel capacity |
6.6 U.S. gallons including 1 gal. reserve |
| Air Filter |
Paper-type element |
| Charging system |
14 V, 50 Amp Alternator (700 W) |
| Battery |
BMW Mareg, 19.5 Amp/h low maintenance |
| Cooling system |
combined air/oil cooled |
| Drivetrain |
| Primary drive |
helical-cut gears with tensioner |
| Clutch |
180 mm dry, single plate with diaphram spring |
| Gear ratios |
1st gear: 4.16:1
2nd gear: 2.91:1
3rd gear: 2.13:1
4th gear: 1.74:1
5th gear: 1.45:1 |
| Drive system |
enclosed driveshaft with two universal joints and integral torsional damper |
| Final drive |
spiral bevel gears, 2.9:1 ratio (32/11) |
| Frame and Suspension |
| Frame |
New 3-section frame concept |
| Front suspension |
Telelever with central spring strut & linear-rate
coil spring. Twin-tube gas-filled shock. |
| Travel / dimensions |
4.72 inches / 35 mm fixed tube diameter |
| Rear suspension |
Patented BMW Paralever swingarm & shaft drive,
single-tube gas-filled shock, variable rebound setting. |
| Travel / dimensions |
5.31 inches, progressive spring, 40 positions |
| Brakes |
| Brake system |
BMW / FAG anti-lock brake system ABS II |
| Front brakes |
two 4-piston calipers, wear compensation |
| Front rotors |
dual 12.0 inch floating rotors |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Rear brake |
hydraulically 2-piston floating caliper |
| Rear rotor |
single 11.2 inch diameter fixed rotor |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Wheels and Tires |
| Front wheel |
3.50 x 17 MT-H2, cast alloy, 3-spoke U-profile |
| Rear wheel |
4.50 x 18 MT-H2, cast alloy, 3-spoke U-profile |
| Front tire |
120/70 - ZR 17 tubeless |
| Rear tire |
160/60 - ZR 18 tubeless |
| Dimensions |
| Overall length |
86.8 inches (2205 mm) |
| Overall width |
35.4 inches (900 mm) (over mirrors) |
| Wheelbase |
58.4 inches (1485 mm) (unladen) |
| Ground clearance |
6.0 inches (153 mm) (unladen) |
| Seat height |
30.7/31.5/32.2 inches (780/800/820 mm) |
| Handlebar width |
30.5 inches (775 mm)(with weights) |
| Steering angle |
62.8 degrees (unladen) |
| Front wheel trail |
4.8 inches (122 mm) (with rider) |
| Weight - dry |
563 lbs. |
| Weight - wet |
622 lbs. |
| Maximum load |
1080 lbs. gross vehicle weight rating |
| Wheel load limits |
Front = 397 lbs.
Rear = 662 lbs. |
| Standard Equipment |
| ABSII, integral frame mounted fairing with full protection lowers & adjustable heat vents, electrically adjustable windshield, one power accessory socket, stainless steel exhaust with catalytic converter, "U" profile 3-spoke cast wheels, saddlebag mounts, matte finish saddlebags, luggage rack, adjustable seat, adjustable front brake lever, adjustable shift lever, RID (rider information display), flasher system, mud flap. |
| Optional Accessory Suggestions |
| Saddlebag liners, saddlebag scuff pads, heated handlebar grips, tall windshield, AM_FM stereo radio / cassette with handlebar mounted remote control, removable top box, inner bag for top box, tank bag, alarm system, garage door opener for alarm remote controller, BMW U_lock, motorcycle cover, cylinder protection, tank bag electrification kit, second power accessory socket, lighted ignition key. |
