can someone tell me if the yuasa ytz7s battery will fit the 400 s model?
No. Dimensions are different, terminals are different location.
Battery YT7B-BS is correct, 150 X 65 X 93 mm
YTZ7S is 113 X 70 X 105 mm
Per yuasa battery chart
its an oddball fit.....long and low
I just fit a 4lb wal-mart mini battery in mine the other day....Used some EVA foam to space it..
saved a few lbs with just as many CCA's
Was thinking of going to a Deka ETX 9.
120 CCA but a little bigger, cheaper too.
Gotta buy a used batery box off Fleabay and donate it to the cause. Was going to Vacuum Form some ABS to make a new box.
Will let you know if I do.
Will do the Free power mod either way.
I'm waiting til it warms up to replace the DEAD battery. I installed the kick starter kit last weekend and it started in two kicks So far this is the best thing I've done. I didn't like the sound of the bike barely cranking over when I was not at home..
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