Hot Cams Camshaft - Intake - Stage 1 - Yamaha [40121IN]

Hot Cams Camshaft - Intake - Stage 1 - Yamaha [40121IN]

Manufacturer Part Number: 40121IN

Parts Unlimited Part Number: YZ250S1AI

Product Type: Cams & Parts

Camshaft - Intake - Stage 1 - Yamaha

Details

• Intake Lift: 8.48 mm
• Riding Style: Off-Road
• Type: Stage 1
• Units: Each
• Intake Duration: 249°
• Application: Intake
• Intake Lobe Centerline: 106°
• Product Name: Camshaft
• Adds 5%-10% power gain
• Designed and dyno proven in the USA
• Engineered by utilizing state-of-the-art valvetrain software
• CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile
• Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
• For low end torque.
• Made to be drop-in cams that use stock valve springs (unless noted).

Verified Fitment

• 2008 Yamaha YZ250F
• 2007 Yamaha YZ250F
• 2010 Yamaha YZ250F
• 2002 Yamaha YZ250F
• 2005 Yamaha YZ250F
• 2006 Yamaha YZ250F
• 2011 Yamaha YZ250F
• 2013 Yamaha YZ250F
• 2004 Yamaha YZ250F
• 2003 Yamaha YZ250F
• 2001 Yamaha YZ250F
• 2009 Yamaha YZ250F
• 2012 Yamaha YZ250F
• 2007 Yamaha WR250F
• 2002 Yamaha WR250F
• 2001 Yamaha WR250F
• 2010 Yamaha WR250F
• 2003 Yamaha WR250F
• 2008 Yamaha WR250F
• 2009 Yamaha WR250F
• 2005 Yamaha WR250F
• 2011 Yamaha WR250F
• 2004 Yamaha WR250F
• 2006 Yamaha WR250F
• 2012 Yamaha WR250F
• 2013 Yamaha WR250F