March 24, 201511 yr Does anyone out there know of an alternative piston for my lads Beta rev 50, 2002 four speed. Beta uk say the piston is now obsolete. A big problem for any older rev 50 owners.
March 24, 201511 yr Try a KTM dealer, Most bits on the small beta's are the same as KTM and half the price of beta.
March 25, 201511 yr Author Thanks for the response. KTM engine is the same as the Beta minitrial (automatic). but not the geared Rev 50. I know Vertex pistons used to supply beta uk. I have emailed them but no joy.
November 23, 20187 yr Can you replace the jug and piston to a 80cc? I would like to try and get a little more grunt out of my 2004 Rev 50 4 speed. Lowered the gear ration but now its too slow
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