Batavus VA - Technical data engine; Technical data frame

Technical data engine
Type of engine Two stroke engine, reed valve controlled.
Bore x stroke 40 x 38 mm.
Cubic capacity 48 cc (2.9 cu. in.)
Cylinder Special cast iron
Cylinderhead Aluminum alloy
Cylinder base gasket Klingerit
Inlet gaskets Klingerit
Crankcase gasket Paper
Piston Very special alloy and shape. Oversize 40.20 mm.
Pistonrings Cast iron, 2 rings, oversize 40.20 mm.
Gudgeon pin Floating
Crankshaft Build up type, ball bearing on each side
Bearings Bigend bore honed trough wich extremely high accuracy.
Connecting rod: big-end needle bearing
little-end bronze bushing
Clutch housing: Needle bearing with seal on one side.
Mixture Pulley: Two needle bearings with seal on both sides.
Regular gas (not premium!) and a good quality two stroke oil.
Proportion during break in period 1 :40 (2,5%) thereafter 1 : 50 (2%).
Execution
Compression ratio
Output HP
Torque ftlb
Carburettor type
Throttle valve nr.
Yet size
Ignition
6V-22/10/5W.
Sparkplug
Gear ratio prim.
Gear ratio sec.
20mph.
6: 1
1.2
2.0
S23A
190
52-50
valid for engines
to nr. 772302
6V-29/5W.
Valid for engines
from nr. 772302
6V-22/10/5W.
Bosch W 175 T1
Champion L85
4.1 : 1
48: 11
25 mph.
7: 1
1.7
2.3
S8A
190
54-52
valid for engines
to nr. 779301
6V-29/5W.
Valid for engines
from nr. 779301
6V-22/10/5W.
Bosch W 175 T1
Champion L85
3.6: 1
50: 13
30 mph.
8:1
2.0
2.5
S 22 or S 25
405 167
58-56
valid for engines
to nr. 780501
6V-29/5W.
Valid for engines
from nr. 780501
6V-22/10/5W.
Bosch W 240 T1
Champion L81
3.6:1
50:13
Technical data frame
Frame Single tube frame with seperate fuel tank.
Position of frame nr. Right side of stearing head.
Frontfork Telescopic type; 5 cc. grease Retinax A per fork leg.
Rear fork Swing axle type.
Fuel tank Batavus VA .92 gal. (3.5) litres.
Batavus HS 50 1.3 gal. (5 litres).
Lighting Headlamp 6 V-21 W.
Brakelight6V-10W.
Tailight6V-5W.
Electichorn 6 V-24W.A.C.
Tyres Front and rear 2-16".
Tyre pressure Front 28 lbs.
Rear 34 lbs.
Rims Front and rear 1.20 x 16".
Dry weight 107 lbs. (48.5 kg.).
Max. G.V.W. 350 lbs. (160 kg.).
Chains Engine transmission 1/2x3/16".
Pedal transmission 1/2x1/8".
10.76