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Discussion Starter · #1 ·
I recently bought a new YB16AL-A2, but I was so tempted to try the newer MF battery? I think it is a YT12B-BS. This is a lot smaller than the older type battery so how would you "pad" the older type battery box to take the smaller battery?

Thanks
Richard
 

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is the MF a Yuasa? The oem in my 900sp is nearing retirement after 9 years :)
 

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I've been using the newer, smaller battery for a few years in my SS, replacing it this spring "just to be sure" it would continue working OK this season.

What I noticed on my modified engine (944, 10.5:1 CR) is that the battery will spin the engine to a compression stroke, hesitate a second, then spin the engine and start. I thought it might be the battery getting on in years, but the new one does the same thing. It has always started.

OBTW, the weight savings is pretty good, 1# from my measurements.
 

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Discussion Starter · #4 ·
The Yuasa battery number for the MF battery is:

YT12B-BS

It is quite a bit smaller than the other battery, hence my asking how do you pad it to fit?
 
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