Help! - My alarm had flattened the original battery on my '01 996s, so I decided to replace it with a new one. I was a bit confused as the bike manual says 12v-10ah, but my Haynes manual says 12v-16ah..I settled for a Yuasa 12v-10ah from Halfords, charged it up, but the bugger is wider than the original battery & won't fit! Thanks for any advice, Illya.
Not a YTX9 as its to wide(deep) they fit my CBR600 and Fireblade fine but do not fit my 916 or my 998 My 916 has a normal lead Acid battery which is the 16Ah one, the 998 uses a sealed Battery can not remember the number of it and my local bike shop doesn't stock it as I found out a week ago. So in the mean time I have fitted my R6 battery to the 998 which is the perfect size. On later 996s I think they also use this size sealed battery by fitting an adapter to the original 916 battery box. If nobody does it before I get home I'll post the sealed battery ID number later
In 2001, the bikes were fited with a revised starter motor gear ratio that drew less current and made it possible to start the bike using a smaller battery. The starter gearing on the early bikes are not well suited to the smaller batteries.
damn - mines a 2001 model and guess what? battery not quite up to the job this morning.....so which battery-guess if i look at it there are some serial numbers to identify it - goes on the optimate every 2-3 weeks at the moment. Probably combination of short trips,cold weather, lights on etc
Thanks guys - optimate not an option as the bike's kept outside & too far from a power point..The usual answer is to give the old girl a good run every 4 days. If I leave it any longer than this the datatool has drained the battery & there ain't enough charge to start her. Trouble at this time of year is finding a suitable 'window' - weatherwise. I now have a brand new, fully charged battery which is useless to me. Ho Hum.
Sorry to come in a bit late but I had this same dilemma and decided to go for a battery that was overspecc'd for my 996 to handle the shorter runs etc,l ie, less charging time and more starting. I went for the Odyssey PC680 (off the top of my head) it has around twice the cranking amps of the standard battery although is slightly heavier and slightly larger and I had to bodge up the mounting to get it in, all worth it though.
13-Jan-2005, 17:15 
antonye
skidlids
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