Everything you need in one easy step, and the best part is: YOU SAVE HUGE!
Our Combo Kit includes:
1 OEM Yamaha Front Sprocket
1 DDC Racing Yamaha Rear Sprocket
1 RK Gold MXZ4 Motocross Chain. (120 link, Non O-Ring w/ clip on master-link)
1 Sprocket Bolt Kit by Bolt Motorcycle Hardware
Choose your bike model and gearing combination from the drop-down menu above. Due to the limited display size on some smart phones, you may not be able to see all bike model choices in the drop-down menu. We have listed them here as this text should adjust to fit your screen. Please make sure you select correct option from the drop-down above to ensure we send you the correct front sprocket to fit your ride.
Bike Model Option 1 Fits: YZ 250 (1989-current) YZF & WRF 400 426 450 (1999-current)
Bike Model Option 2 Fits: YZ 125 (2005-current) YZF 250 & WRF 250 (2001-current)
RK 520MXZ4 (120 Link)
Pin Length: 17.70mm
Tensile Strength: 8,800 ft/lbs
Engine Displacement: Recommended for use up to 500cc Off-Road
Seal Type: None
The 520MXZ4 is RK’s premier non-sealed chain that many professional SX/MX teams use. The MXZ4 chain features Chromoly steel construction with seamless rollers and bushings combined with oversized special alloy pins for added strength. All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) process. Teams from Monster Pro Circuit Kawasaki to JGR Yoshimura Suzuki use this chain.
We stock gold but we can special order: Blue, Yellow, Red, and Orange. To special order a particular color, please send us an email: email@example.com