NSU Supermax - Technical Data; Engine, Clutch, Gearbox Specifications; Frame, Wheels, Brakes, Equipment Specifications

TECHNICAL
ENGINE - CLUTCH- GEARBOX
Cycle
4 stroke
Stroke
66 mm
.
Bore. .
69 mm
No. of cyl'inders
1
Capacity . . . . 247 cc.
Compression ratio.
704 : 1
Output. . 18 h. p.
Engine speed
. . . . 7 000 J. p. m.
Valves . . . . . . Valves are suspended in
light alloy cylinder head and operated
by eccentric-driven overhead camshaft
Lubricotion
By gear pump
Ignition. . . . Coil ignition
Ignition timing advance.
Automatic
Carburettor Two-slide carburettor
Air fi Iter . . . Wet air filter on frame
Clutch
. . . . •
Multi-plate dry,
clutch with rubber shock absorbers
Clutch control Manual
Gear box 4 speed gearbox in unit
with
engine
Type of engagement. Do!=) Clutches
Gear reduction for primary drive
2.583: 1
Gearbox ratIos
Solo
o"erotion
Sid"T ".m';,"
Bottom
gear.
3.15 : 1
2nd
gear 2.025,1
. 3rd gear ....
1.406 , 1
Top
gear'. . . . .
1 ,1
Reduction
ratio for final drive 2.625: 1
3.0 ; 1
Overall ratios
Bottom gear. 21.36 : 1
24.41 : 1
. 2nd gear . . 13.73 , 1
15,7
,1
3rd
gear . . 9.53 ; 1 10.89: 1
Top
gear. . 6.78 ,1 7.75: 1
P~imory .drive between engine and gear box
Helical
gears
Final drive betwe'en gear box and rear wheel
Enclosed cha
in
Maximum speed approx. 72 m. p. h.
Peak speed approx. 78 m. p. h. one person I •• nlng forward
DATA
FRAME - WHEELS - BRAKES - EQUIPMENT
Central pressed steel frame
Front fork/rear fork
Swinging spring forks
Shock absorber, front
Hydraulic
Shock absorber, rear.
Hydraulic
Stand
Frame ..
Centre stand
Tank capacity
3 Imp. galls. (14 Ltr.)
(0.33 Imp.
galls, reserve)
Length
approx.
79" (2010 mm)
Width approx.
26
3
//' (680 mm)
Height approx.
37
3
//' (960 mm)
Interchangeable
Tyres
3.25 - 19
Front brake
Wheels.
Internal expanding brake
Internal expanding brake
Brake operation
Front brakes by hand
Rear brake by foot
Weight ..
384 Ibs. (174 kg)
Admissible total weight.
715 Ibs. (325 kg)
Rear brake
Equipment
Electrical equipment .
Generator set with outo-
matic advance and re-
tard, electric horn, bat-
tery in locked box
Speedometer.
in head lamp
Accessories
Tools, tyre pump
Available against extra charge
Sidecar attachment
on request:
Pivot-action pilli0n seat
with folding foot rests
Design and equipment subject to change without notice
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