What's the difference between the A to D grades?
I think I remember reading about it in scootering a few years back, but I'm not feeling like looking thru my old issues.Little help?
thnx
MBD Race-Tour Pistons grading scale question
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Chris F
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- Joined: Tue Mar 23, 2010 11:19 pm
- Main scooter: 1967 Lambitsa 200
- Location: San Diego, California
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I've been looking on the MBD / Lambretta spares site and I'm not locating an explanation to the "A thru D" scaling system they use for the Race-Tour pistons.
What's the difference between the A to D grades? I think I remember reading about it in scootering a few years back, but I'm not feeling like looking thru my old issues.
Little help?
thnx
What's the difference between the A to D grades?
I think I remember reading about it in scootering a few years back, but I'm not feeling like looking thru my old issues.Little help?
thnx
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soulsurfer
- registered user
- Posts: 2539
- Joined: Thu Jan 08, 2009 2:43 pm
- Location: The Garden Of England
- Contact:
The grading is the same for any piston suited to a nicasil lined cylinder which will also be graded to match. It's a size thing 
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