Qualitatively very convincing cast cylinder made of a Minachrome grey cast iron alloy. The 70 cc version offers considerable performance results compared to the standard cylinder and is fully designed for top speed and power.
with a corresponding sports exhaust and 17.5mm carburettor, a remarkable 8-9hp at the rear wheel can be achieved.

The Trophy 70 cc can even be driven with the original components. Here, however, the size of the main jet should be increased by about 5-15%.

In terms of durability, the Trophy is on the same level as the standard cylinders and so thousands of kilometres of carefree driving are guaranteed. The combination of better driving performance and full everyday suitability makes the 70 cc Trophy a mile-eater!


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Anonym  05/31/2016

Solid, and fair value. Definetly not a racing product, but good torque. Very heavy, and becomes very hot if driven hard.

General
Performance class
Sport
 
Piston pin
Diameter
12 mm
 
Spark plugs
Thread type
M14x1,25
Thermal value NGK
B8HS
Spark plug thread
kurz
 
Cylinder
Drill hole
47 mm
Type of cooling
luftgekühlt
Displacement
69 cm³
Motor type
2-Takt
Material
Grauguß
Piston raceway material
Grauguß
Cylinder gasket set included
ja
Cylinder head included
ja
Outlet shape
1-teilig (oval)
Exhaust assembly
Flansch
Flange type
2-Schrauben
Distance between exhaust studs
48 mm
Threaded exhaust studs
M6
Number of boost ports
2
Number of transfers (incl. boost ports)
6
 
Crankshafts
Stroke
39.8 mm
 
Piston
Number of piston rings
2
Piston manufacturing method
gegossen
 
Piston rings
Piston ring type
Rechteck-Ring
Piston ring thickness
1,2mm
 
Piston clips
Piston clip type
G-Typ
Wire gauge Piston clip
1,0mm
 
Cylinder heads
Cylinder head type
einteilig
 
OEM numbers (for comparison purposes only)
Scooter Center:
TP9925800