RB20 bore and stroke ?

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davidblythe
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Location: Cheam, Surrey
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Can anyone tell the bore and stroke on the rb20

and how thick the spigot is at its minimum point
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corrado
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Joined: Thu Jan 08, 2009 1:12 am
Main scooter: Lambretta GP
Location: Top of Blackpool Tower
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66mm piston with 58 x 116 crank.
Not got one to hand to measure the spigot.
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