Renthal 1500-520-51GPSI Engine Timing Idler Sprocket

Sprocket Teeth: 51
Material: Aluminum
Sprocket Size: 520
Sprocket Position: Rear

Unique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel
Inner Ring is high strength Ultralight 7075 T6 Aluminum. Outer Ring is Electroless Nickel Coated steel
Outer is expanded at 200C and then fitted to inner, creating a permanent bond for the life of the sprocket
Precision CNC machined to extremely tight tolerances
Flat socket head screws add additional strength to the chainwheel during side impacts
Self-cleaning mud grooves between every tooth on both sides help prevent dirt build up


This Item Fits the Following Applications:
2008-2011 Yamaha WR250R
2008-2010 Yamaha WR250X
2003-2013 Yamaha YZ450F
2003-2013 Yamaha WR450F
2001-2013 Yamaha YZ250F
2001-2013 Yamaha WR250F
2001-2002 Yamaha WR426F
2000-2002 Yamaha YZ426F
1999-2013 Yamaha YZ250
1999-2013 Yamaha YZ125
1999-2000 Yamaha WR400F
1999 Yamaha YZ400F