Yamaha Zuma 125 Replacement Battery (YT7B-BS)For a simple battery to use as a direct replacement for your Yamaha Zuma 125, we recommend this Parts Unlimited battery. Whether you haven't been able to ride for a long time or just have a bad battery, this is a great direct replacement. Although this is what we recommend for the Yamaha Zuma, it will also fit many other small bikes and scooters. In addition to a new battery, we recommend a Battery Tender, it's a cost effective way of preventing

Please double check fitment before purchasing and installing

Honda Metropolitan*

This fully machined hub allows the front wheel to use a 4/90 bolt pattern

They control the fuel mixture well from half throttle to zero

Most race applications feature drilled weight-reduction holes (depends on application/tooth size)

Viscosity Index: 149

Giving you a reliable battery that is light and more powerful than your stock one

and Keep It Simple

Duct Length 39"

two trip meter

The injector flow rate must properly match the air intake amount otherwise a larger injector will do nothing but flood

Yamaha BWS 125