Boyesen Power Reeds 333R TSR CR500 NOT Included: Requires 1994-2004 KX250

NOT Included: Requires 1994-2004 KX250 Water Pump Cover or Boyesen Supercooler part number WPK-12B

Using TSR Engine Clamps will give you the added strength and allow you to adjust the height of your motor easily

Choose between

We recommend using the following with our Block Off Plate

Boyesen Power Reeds 333R TSR CR500 NOT Included: Requires 1994-2004 KX250Dual stage reeds work in unison to perform efficiently throughout the entire powerband. The difference in stiffness between the top reed and the bottom reed allow the reeds to respond quickly and accurately to changes in engine pressure. This translates into quicker acceleration, crisper throttle response and increased horsepower throughout the powerband. Important Note: Complete Set 3 Cylinder Engine. Racing reeds for engines running over 7,000 7,500