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Yuasa YT9B-BS 12V Motorcycle Battery

Yuasa YT9B-BS 12V Motorcycle Battery
MDS Price:  £69.95(£58.29 Exc. VAT)


Lead time 3-4 days  

Lead time 3-4 days

Bar Code:  4016987114940
Part Number:  YT9B-BS
Voltage:  12v
Capacity:  8Ah
CCA Rating (EN):  115A
Weight:  3.4Kg
Length:  150mm
Width:  70mm
Height:  105mm

Free Yuasa biker snood with all Yuasa YT/YTX and YTZ Series maintenance free batteries

Due to new EPP Regulations, all Yuasa YT/YTX and YTZ Series
sealed maintenance free motorcycle batteries are now supplied pre-filled.


  • Spill-proof design to avoid any leakage
  • Advanced lead-calcium technology for improved starting power
  • Longer lasting design with reduced sulphation
  • Exceptional vibration resistance for the best reliability


  • Manufacturer:Yuasa
  • Battery Type Number: Yuasa YT9B-BS
  • Battery Type: Sealed 12V AGM maintenance-free battery
  • Filling Kit Included: Supplied pre-filled
  • Dimensions: 150mm x 70mm x 105mm
  • Capacity Rating: 8Ah
  • Cold-Start Performance CCA (EN): 115A
  • Maximum Charging Rate: 1.0 Amp
  • Weight (filled): 3.40kg
  • Terminal Layout: Left: + Right: - (With the terminals on the edge nearest to you)
  • Warranty: One year warranty

Shorai Lithium-Iron Upgrades Available

Popular Motorbikes Using This Battery Include

  • Yamaha YZF-R6 (2001-2004)
  • Yamaha YZF-R7
  • Yamaha XT660R

Replaces The Following Part Numbers

  • YT9B-BS
  • CT9B-BS
  • FTL9-BS
  • GT9B-BS GT9B-4
  • CT9B-BS
  • Varta 509 902 008

 To download the full Yuasa automotive range guide click icon

 To download the Yuasa MSDS safety sheet 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


Does this battery come pre-filled?

Yes these now come pre-filled - under new EPP (Explosives, Precursors and Poisons) Regulations these can no longer be shipped with a separate acid pack so all Yuasa YTX Series maintenance free batteries will be pre-filled prior to despatch.

View our blog post on the new regulations

Does this battery come charged?

They come with around 70% charge from the factory so can be fitted and used immediately as long as your bike is used on a regular basis. For bikes only used on an occasional basis we would suggest a full charge prior to install and on-going maintenance charging.

Can this battery be side mounted?

Yes this battery can be side mounted at up to 90 degrees from the vertical