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R69S battery
R69S battery
I want to replace it with a gel or AGM maintenance-free battery but am unsure of the Ah required. It seems that the batteries on these bikes evolved from 8 Ah to 16 Ah. Can I use an 8 or 12 Ah? I cannot find a suitable 16 Ah battery in UK; availability not as good as US.
Re: R69S battery
Any 6 volt battery will do that. So physical size and color might be the only question.
I would recommend adding a fuse right at the battery on the + side.
Mine is weak this year so I almost bought this
https://www.amazon.com/gp/product/B01N6 ... ARL1&psc=1
Don
Edit: there is a guy in the UK that sells complete LED sets which would use even less electricity.
All on the road, going no where in particular in the Finger Lakes of New York
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Re: R69S battery
Their site is kinda confusing, so you might have to contact them.
Someone on this forum ordered from them.
http://www.dynamoregulatorconversions.c ... -bulbs.php
Edit. in usa
https://vintagebeemerparts.com/vintage- ... ns-r26-27/
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- jwonder
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Re: R69S battery
It lists the bulbs you need.
Vice President, Vintage BMW Motorcycle Owners
2022 BMW Friend Of the Marque
Long Island, New York
Re: R69S battery
After looking in a little more detail, I learnt that the battery 'power' has evolved from 8 to 16 Ah over the years. A replacement Blitz 01411 from Europe was going to cost me close to £100. I found a 13 Ah Westco AGM battery that I am pretty happy with: size ok, 600g less weight than the Blitz, colour ok, maintenance-free, £40 including delivery from Wales to Aberdeen in 2 days. Terminals not the best but I'll live with them.
- schrader7032
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Re: R69S battery
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
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Re: R69S battery
R69S - R60/2 - R67/2 - R51/3 - R69
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Re: R69S battery
Minor historical "correction". The early earls fork bikes did take the small battery and tray (same battery and pad as the Plunger bikes). Not sure from memory what year BMW went to the larger battery but guessing it was late '50s. Anyone?
Thanks.
Chuck S.
Chuck S
- schrader7032
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Re: R69S battery
If you look up an R60 built in 1956, the online fiche shows two batteries and two trays, but no dates are given as in "up to". The smaller was 6V 8Ah while the bigger was 6V 12Ah. Vech shows a 6V 10Ah for the 1951-1958 bikes which appears to have the small size. He further shows a 6V 10Ah gel battery for 1955-1969 twins. So it seems to be all over the map.
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.