| Engine |
| Type |
water-cooled single-cylinder 4-stroke |
| Bore x stroke |
100 mm x 83 mm |
| Displacement |
652 cc |
| Horsepower |
48 Bhp @ 6,500 rpm |
| Torque |
41 lb.-ft. @ 5,200 rpm |
| Compression ratio |
9.7:1 |
| Valve Gear |
DOHC, chain driven with bucket tappets |
| Valves |
36 mm intake / 31 mm exhaust |
Valve Timing
(measured at 3 mm
valve clearance) |
intake opens 17 degrees before TDC
intake closes 45 degrees after BDC
exhaust opens 47 degrees before BDC
exhaust closes 15 degrees after TDC |
| Valves per cylinder |
four |
| Camshafts |
double overhead |
| Engine oil capacity |
2.2 quarts of SF, SG or SH motor oil, also w/CC or CD |
| Engine oil filter |
micronic paper element |
| Carburetion |
2-type BST 33 B316 constant depression carburetors |
| Ignition |
Capacitor Discharge Ignition system |
| Fuel demand |
unleaded, premium grade, 92 (AKI) |
| Fuel tank |
plastic tank with manual fuel shut-off valve |
| Fuel capacity |
4.6 U.S. gallons including 1/2 gal. reserve |
| Air filter |
foam-type element |
| Charging system |
14 V, 20 Amp Alternator (280 W) |
| Battery |
12V 12 Amp/h |
| Cooling system |
water cooled |
| Drivetrain |
| Primary drive |
straight-cut gear 37 / 72 = 1:1.946 |
| Clutch |
multi-plate in oil bath |
| Gear ratios |
1st gear: 2.75:1
2nd gear: 1.75.1
3rd gear: 1.31:1
4th gear: 1.05.1
5th gear: 0.88:1 |
| Drive system |
endless O-ring roller chain drive 5/8 x 1/4" |
| Final drive |
2.937:1 |
| Frame and Suspension |
| Frame |
single-loop cradle, square-section steel tube w/bolt-on lower sections.
upper frame section acts as oil tank |
| Front suspension |
41 mm telescopic fork with stabilizer bridge |
| Travel / dimensions |
6.69 inches total travel |
| Rear suspension |
central spring strut actuated by lever-linkage. Basic spring setting and rebound stage damping continuously adjustable |
| Travel / dimensions |
6.49 inches total travel, 40 stage adjustable spring pre-load |
| Brakes |
| Brake system |
hydraulically operated single disc brake |
| Front brakes |
one 4-piston caliper, floating mount, w/wear compensation |
| Front rotors |
single 11.8 inch fixed rotor |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Rear brake |
one 2-piston caliper, floating mount |
| Rear rotor |
single 10.9 inch diameter fixed rotor |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Wheels and Tires |
| Front wheel |
2.15 x 19 MT, wire spoked wheel with tubed tires |
| Rear wheel |
3.00 x 17 MT, wire spoked wheel with tubed tires |
| Front tire |
100/90 x 19 57 tube type |
| Rear tire |
130/80 x 17 65 tube type |
| Dimensions |
| Overall length |
85.8 inches (2180 mm) |
| Overall width |
34.7 inches (880 mm) (over mirrors) |
| Wheelbase |
58.3 inches (1480 mm) (unladen) |
| Ground clearance |
8.27 inches (210 mm) (unladen) |
| Seat height |
31.5 inches (800 mm) |
| Handlebar width |
34.7 inches (880 mm) (with weights) |
| Steering angle |
62 degrees |
| Front wheel trail |
4.56 inches (116 mm) (laden) |
| Weight-weight |
421 lbs. |
| Maximum load |
818 lbs. gross vehicle weight rating |
| Wheel load limits |
Front = 298 lbs.
Rear = 573 lbs. |
| Standard Equipment |
| High mounted stainless steel exhaust with open-loop catalytic converter, wire spoke wheels, flasher system, braced handlebars, taller windshield, low seat height, analog clock, pre-drilled bars for heated handgrips. |
| Optional Accessory Suggestions |
| Saddlebags & mounts, 22 liter top box, saddlebag scuff pads, top box & bag liners, luggage rack, shorter (ST) windshield, heated handlebar grips, cylinder protection bars, power accessory socket, hand protectors, lowered suspension kit, BMW U-lock, foam handlebar grips, motorcycle cover, lighted ignition key. |
