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12N9-4B-1 Yuasa Motorcycle Battery

12N9-4B-1 Yuasa Motorcycle Battery
Our Price:  £37.95(Inc. 20% VAT)(£31.63 Exc. VAT)
1.0l Bottle Electrolyte Fluid:  



In stock, immediate despatch

Part Number:  12N9-4B-1
Brand:  Yuasa
Voltage:  12v
Capacity:  9Ah
CCA Rating (EN):  85A
Length:  135mm
Width:  75mm
Height:  139mm


This battery is supplied dry - if you require acid please select it at time of purchase

This battery is no longer available, we are now shipping the upgraded version to this battery YB9-B


  • Manufacturer: Yuasa
  • Battery type number: 12N9-4B-1
  • Also known as MS12-9-4B-1
  • Battery type: Dry charged battery
  • Filling kit included: No
  • Electrolyte required: 38% Sulphuric Acid specific gravity 1.28kg/litre
  • Electrolyte volume: 0.6 Litres
  • Dimensions: 135mm x 75mm x 139mm
  • Capacity rating: 9Ah
  • Cold-start performance: 85EN
  • Maximum charging rate: 1 Amp
  • Weight (filled): 3.2Kg
  • Vent position: Right side (With the terminals on the edge nearest to you)
  • Terminal layout: Left: + Right: - (With the terminals on the edge nearest to you)

Please note that shipping battery fluid by air or sea freight is prohibited so we can only accept orders for these products for delivery to certain areas. In general these are mainland addresses in the UK France Germany Italy Belgium Spain Finland Denmark Holland Luxembourg Austria and Greece. If you are unsure if your delivery address will be accepted please contact us before ordering.



Replacement battery for the following motorcycles

  • Honda CB250 RS CM125C XL125 R/P/D
  • Kawasaki H1 A1 A7 Series
  • KTM 80 Chopper-PL RLW RSL
  • KTM 500 K4 Enduro 550 LC Enduro
  • And many more...
For a higher performance version of this battery please see the YB9-B


 To download the product MSDS click icon

All prices include free mainland UK delivery - other than certain remote areas that may attract a delivery surcharge.

All Royal Mail deliveries are sent by first class post and are free to all UK postcodes.

Most UPS deliveries are free however remote areas may have a delivery surcharge; these are generally the Scottish Highlands and Islands, most off shore islands and a few other remote or inaccessible parts of the UK.

Certain products are unavailable for post/courier delivery due to restrictions on shipping hazardous substances; these will be available for collection only or in most instances can be shipped via specialist courier or pallet service at an additional charge.

If you have any delivery problems, require technical assistance or would simply like to speak to a human being then please call us.

For further delivery information click here


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