I purchased this flywheel weight for my grandson's newly acquired '05 YZ125. He and his dad went riding in the local NFS trails and he reported the weight made a huge improvement for riding tight single track. Grandpa did good!
MSR Flywheel Weight
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- Precision machined from stainless steel.
- Bolt-on installation at end of crank; no drilling or tapping required.
- Some applications include CNC-machined aluminum ignition cover for more space.
- Makes your machine easier to ride by smoothing out the hit.
weight does all that it is intended to do. however, if you are a part time mechanic like myself, you need the specific fly wheel weight puller. http://www.motosport.com/dirtbike/BIKEMASTER-FLYWHEEL-PULLER
just wish this was listed under related parts
Awesome low end torque