Rally 180 crank

I WOULD LIKE TO PUT A P200 CRANK INTO MY RALLY 180 MOTOR SO I CAN HAVE THE BENEFIT OF THE P RANGE 12V ELECTRICS. WHAT DO I HAVE TO CHANGE TO BE ABLE TO DO THIS
CHEERS B.[:D]

[ Message edited by BILLY on 21.02.2002 ]

[ Message edited by BILLY on 21.02.2002 ]