PeakRPM CDI Box for Yamaha YFM 225 250 Moto-4 1986-1991Brand new aftermarket CDI box Our PeakRPM CDI Box provides the optimal output for your ride Enjoy fast & easy installation with our plug & play OEM design and included dielectric connector grease OEM grade electronic components and printed circuit boards for long term reliability and performance 90% of ignition issues are caused by a faulty stator. Fully test ignition components before buying All item pictures are accurate, if in doubt do not hesitate

Replace like a pro

All products shipped are tested

Please compare your original part to the picture

New Heavy Duty Flywheel Rotor

we strongly recommend that you replace your voltage regulator at the same time as changing your electronic box

Precise tension control

Brand new aftermarket spark plug cap

More engine power

Produces a stronger spark when starting and offers a reliable performance

Removes stator load resulting in more engine power

2 bolt holes

This blue wire serves as the reverse speed controller