Description
In order to achieve higher speeds, one should reach for the racing shaft. The extended intake timing results in a much freer engine revs. This measure is especially noticeable with high-revving cylinders.
The quality of the crankshafts is very good and so they resist even highest revs. Especially for the higher capacity engines from 125ccm up they are an optimal supplement to extend the usable speed range of racing cylinders without spitback in the lower speed range.
These engines offer both, a decent torque over the whole speed range and a free unscrewing, without the engine running out of air on inclines.
The PK XL shaft also offers the enormous advantage that it has a very stable cone and can therefore digest much higher forces. It also allows the use of ultra-light pole wheels, with which a better acceleration behavior can be achieved.
TIP:
For cylinders from 75cc capacity directly order a wider upper connecting rod bearing! (see Accessories)
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