Now a test using an XR75 cranck wich has a 41,4mm stroke, just like an SS50.
Cylinder is sleeved to get to a 39mm bore, combined with a GB2 piston, originally of an engine with horizontal cylinder.
Tomorrow its first run....
Friday, June 18, 2010
Long stroke experiment
A new experiment to get some more torque out of the 50cc engine, as it is originally a short stroke, at 35,6mm with a 42mm bore.
Now a test using an XR75 cranck wich has a 41,4mm stroke, just like an SS50.
Cylinder is sleeved to get to a 39mm bore, combined with a GB2 piston, originally of an engine with horizontal cylinder.
Tomorrow its first run....
Now a test using an XR75 cranck wich has a 41,4mm stroke, just like an SS50.
Cylinder is sleeved to get to a 39mm bore, combined with a GB2 piston, originally of an engine with horizontal cylinder.
Tomorrow its first run....
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hallo jan hier
ReplyDeleteIk heb hier en XR75 cilinder zonder zuiger,
en een 50 cc zuigertje cb 50 en nog 18 helicoils
met tap liggen heb je interesse bel me maar
0614314378 of 0728443268
het is nog een restant van mijn cb 50 racer
groeten Jan