Original: $125.00
-65%$125.00
$43.75The Story
Revitalize Your Yamaha Moto-4 250 with a Complete Top End Cylinder Kit
Restore peak performance and extend the life of your Yamaha Moto-4 250, Bear Tracker, or Timberwolf with this comprehensive stock replacement top-end cylinder kit from 50 Caliber Racing. Engineered to meet OEM specifications, this kit provides everything needed to rebuild your engine's top end, ensuring countless more years of exhilarating rides and cherished memories.
Whatβs in the Box
Why Riders Upgrade
Stock Cylinder vs. 50 Caliber Racing Top End Kit
β May require OEM specific sourcing
β Lacks a full component kit
β Can be more expensive for a complete solution
β May not include all necessary gaskets
β Complete kit with all parts needed
β Includes all gaskets for a seamless install
β High-quality components for longevity
β Engineered to extend the life of your vehicle
Common Questions
Will this kit fit my specific Yamaha model?
This kit is designed for the Yamaha Moto-4 250 (89-91), Bear Tracker (99-04), and Timberwolf (92-00). It will not fit Raptor models.
Does this kit include all the necessary gaskets?
Yes, this kit includes a complete set of gaskets, including head and base gaskets, to ensure a proper seal.
Is this a big bore kit?
This kit is a stock replacement for the 250cc engine. It can also be used as a 250cc big bore kit for the Moto-4 and Tri-Moto 225 models.
What is the quality of the components?
All components are manufactured to OEM specifications, ensuring high quality and durability for extended engine life.
What Riders Are Saying
This kit brought my old Moto-4 back to life! Installation was straightforward, and the performance increase was noticeable. Great value for the price.
β Mike R., California
Excellent quality parts. Everything fit perfectly, and my Timberwolf runs smoother than it has in years. Highly recommend 50 Caliber Racing.
β Sarah L., Texas
Ready to Reignite Your Ride?
Get your Yamaha Moto-4 250 running like new again.
Add this essential top-end cylinder kit to your cart today!
Vehicle Fitment
Yamaha YFM225 β 1983-1988Yamaha YFM250 β 1989-2004
Yamaha YFM350 β 1992-2000
Yamaha YFM350 β 1999-2004
Description
Revitalize Your Yamaha Moto-4 250 with a Complete Top End Cylinder Kit
Restore peak performance and extend the life of your Yamaha Moto-4 250, Bear Tracker, or Timberwolf with this comprehensive stock replacement top-end cylinder kit from 50 Caliber Racing. Engineered to meet OEM specifications, this kit provides everything needed to rebuild your engine's top end, ensuring countless more years of exhilarating rides and cherished memories.
Whatβs in the Box
Why Riders Upgrade
Stock Cylinder vs. 50 Caliber Racing Top End Kit
β May require OEM specific sourcing
β Lacks a full component kit
β Can be more expensive for a complete solution
β May not include all necessary gaskets
β Complete kit with all parts needed
β Includes all gaskets for a seamless install
β High-quality components for longevity
β Engineered to extend the life of your vehicle
Common Questions
Will this kit fit my specific Yamaha model?
This kit is designed for the Yamaha Moto-4 250 (89-91), Bear Tracker (99-04), and Timberwolf (92-00). It will not fit Raptor models.
Does this kit include all the necessary gaskets?
Yes, this kit includes a complete set of gaskets, including head and base gaskets, to ensure a proper seal.
Is this a big bore kit?
This kit is a stock replacement for the 250cc engine. It can also be used as a 250cc big bore kit for the Moto-4 and Tri-Moto 225 models.
What is the quality of the components?
All components are manufactured to OEM specifications, ensuring high quality and durability for extended engine life.
What Riders Are Saying
This kit brought my old Moto-4 back to life! Installation was straightforward, and the performance increase was noticeable. Great value for the price.
β Mike R., California
Excellent quality parts. Everything fit perfectly, and my Timberwolf runs smoother than it has in years. Highly recommend 50 Caliber Racing.
β Sarah L., Texas
Ready to Reignite Your Ride?
Get your Yamaha Moto-4 250 running like new again.
Add this essential top-end cylinder kit to your cart today!
Vehicle Fitment
Yamaha YFM225 β 1983-1988Yamaha YFM250 β 1989-2004
Yamaha YFM350 β 1992-2000
Yamaha YFM350 β 1999-2004























