Top Performances Item number: TP991371
Top Performances
215,00 €*
not available
Shipping weight 1,99 kg
The DUE PLUS cylinders from Top Performance are clearly designed for speed and performance. Thus Top Performances drove an impressive record home with the DUE PLUS. With a special chassis, which somehow reminds of a suppository, a speed of 159,38km/h was driven in 1996 with an engine power of 17,6kW.

The cylinder is delivered with a coated Asso piston, which facilitates the break-in phase considerably and contributes to a perfect lubrication.

The channel layout and workmanship catapult the DUE PLUS cylinders into the midrace category. Trimmed for performance, the DUE PLUS develop more than 9kW. Due to the very high speed level of approx. 12000 rpm, they should be driven with a racing shaft to prevent damage to the crank drive. Indispensable to ensure full performance and durability is a 17,5mm carburetor and a suitable exhaust with short resonance length.


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General
Performance class
Sport
 
Piston pin
Diameter
12 mm
 
Spark plugs
Thread type
M14x1,25
Thermal value NGK
B9ES
Spark plug thread
lang
 
Cylinder
Drill hole
47.6 mm
Type of cooling
luftgekühlt
Displacement
70 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
mit Konus
Distance between exhaust studs
46 mm
Threaded exhaust studs
M6
Number of boost ports
2
Number of transfers (incl. boost ports)
6
 
Crankshafts
Stroke
39.3 mm
 
Piston
Number of piston rings
1
Piston manufacturing method
gegossen
 
Piston rings
Piston ring type
Rechteck-Ring
Piston ring thickness
1,0mm
 
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:
TP991371