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YAMAHA YT9B-BS XT660R X 660cc 04-

 In Stock

Delivery to UK Mainland
Buy now for despatch

Part Number:  YT9B-BS

69.99 (inc VAT)


The Yuasa YT9B-BS VRLA (Valve Regulated Lead Acid) battery is perfect for people who do not want to worry about maintenance. The sealed design never needs refilling and is maintenance free for life (save periodic charging).

Brand:   Yuasa
Voltage:   12V
Capacity:   8AhHelpAmpHour or Ah measures the capacity of a battery.
In simple terms, the higher the Ah the more energy the battery can store.

If you imagine a bucket of water, the bigger the bucket, the more water it can store.

For example.
A 20Ah battery can normally deliver 1 Amp for 20 hours or 2 Amps for 10 hours. At extremes the performance usually drops, for example it may not deliver 20 Amps for one hour.

1Ah = 1000mAh
CCA (EN):   115A HelpCCA or Cold Cranking Amps, measures the starting performance of the battery.
In simple terms, the higher the CCA the easier it will start the engine.

There are several standards.

DIN German Industrial Standard at -18C
EN European Standard EN50342.1 at -18C
SAE American Standard at -18C
Weight:   3.4Kg
Length: 150mm
Width: 70mm
Height: 105mm
Barcode: 4016987114940

Yamaha YZF-R6 Battery YT9B-BS


  • 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
  • Supplied with acid pack and installation instructions


  • Manufacturer: Yuasa
  • Battery Type Number: Yuasa YT9B-BS
  • Battery Type: Sealed 12V AGM maintenance-free battery
  • Filling Kit Included: Yes
  • 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)

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

Shorai Lithium-Iron Upgrades Available

CAUTION: Please be aware that if this battery is mounted on its side or at more than 30 degrees from vertical in your bike then you must leave it to stand in an upright position after you have filled it for at least 24 hours before you install it.

This YT9B-BS battery also fits the following YAMAHA models:
Model Model
YZF-R6 S SC SV 600cc 01-05 YZF-R6 R6S 600cc 01-07
YZF-R6 YP400 A Majesty 400cc 04-12
XT660R X 660cc 04- XT660R
XP500 A W T-Max 500cc 01-08 TT600RE 600cc 04
T-Max MT03 660cc 06-12

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Yuasa 12v

  • Fully Auto
  • Wall Mount
  • LED Display
  • Onbike Socket
  • 6v & 12v
  • 1200mAh Output
  • Onbike Socket
  • 6v for scooters
  • High Quality
  • 800mAh Output
  • Onbike Socket
  • 12v only
  • High Quality
  • 800mAh Output
  • Onbike Socket
  • Best Seller
  • High Quality
  • 3600mAh Output
  • Car & Bikes
  • Onbike Socket
  • Lowest Price
  • 12v trickle charger
  • 900mAh charge rate
  • 3 LED display
  • Croc clips

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