Tameni Item number: 7671779
Tameni
299,00 €*
available immediately
Shipping weight 2,37 kg

MEC EUR 60/110: Lambretta racing shaft with scope for tuning

This is the entry into the world of Lambretta racing shafts.

The shaft is based on very good Italian crank webs. The shaft is assembled with European quality bearings, making this shaft a faithful companion even in high-revving engines. This shaft has a stroke of 60 mm due to the connecting rod journals being moved further outwards. Thanks to the 110 mm connecting rod, there is plenty of scope for changing the timing. The cylinder can be lowered quite easily to reduce excessively long overcurrent times. Simply use a spacer less than 3 mm thick to compensate for the longer connecting rod.
Depending on the manufacturing tolerances, it may be necessary to grind the connecting rod or the engine housing.
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Ball bearing
Dimensions
16x20x20mm
 
Piston pin
Diameter
16 mm
 
Crankshafts
Stroke
60 mm
Thread on alternator side
M12x1,0 Linksgewinde
Thread on drive side
M8x1,0 Rechtsgewinde
Crank web diameter
95.9 mm
Crankcase must be spindled
nein
Motor housing must be modified
nein
Rotary vane crankshaft
nein
Full cheek crankshaft
nein
Diameter of variator stub
17.9 mm
Variomatic stub design
verzahnt
Wide crank webs
40.5 mm
Bearing seat diameter on alternator side
25 mm
Bearing seat diameter on drive side
25 mm
Diameter of sealing ring seat on alternator side
33 mm
Diameter of sealing ring seat on drive side
33 mm
 
Connecting rod
Connecting rod length
110 mm
Connecting rod strength
5.5 mm
Connecting rod eye top diameter
20 mm
Lifting pin diameter
22 mm
Upper connecting rod eye lubrication hole
ja
Lower connecting rod eye lubrication hole
Schlitz
Connecting rod thrust washers
ja
 
OEM numbers (for comparison purposes only)
Scooter Center:
7671779
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