Hot Cams Camshaft - Exhaust - Stage 1 - Yamaha [42871E]

Hot Cams Camshaft - Exhaust - Stage 1 - Yamaha [42871E]

Manufacturer Part Number: 42871E

Parts Unlimited Part Number: 09251008

Product Type: Cams & Parts

Camshaft - Exhaust - Stage 1 - Yamaha

Details

• Application: Exhaust
• Type: Stage 1
• Product Name: Camshaft
• Exhaust Lift: 8.640 mm
• Units: Each
• Exhaust Lobe Centerline: 105°
• Exhaust Duration: 258°
• Riding Style: ATV
• Stage 1 is designed for low end torque
• Adds a 5%-10% power gain
• Designed and dyno proven in the USA
• Manufactured by utilizing state of the art valvetrain software
• CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
• Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
• 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 dual cam engine.

Verified Fitment

• 2015 Yamaha YFZ450R
• 2010 Yamaha YFZ450R
• 2009 Yamaha YFZ450R
• 2013 Yamaha YFZ450R
• 2020 Yamaha YFZ450R
• 2021 Yamaha YFZ450R
• 2012 Yamaha YFZ450R
• 2014 Yamaha YFZ450R
• 2011 Yamaha YFZ450R
• 2016 Yamaha YFZ450R
• 2018 Yamaha YFZ450R
• 2017 Yamaha YFZ450R
• 2019 Yamaha YFZ450R
• 2011 Yamaha YFZ450R SE
• 2016 Yamaha YFZ450R SE
• 2020 Yamaha YFZ450R SE
• 2021 Yamaha YFZ450R SE
• 2012 Yamaha YFZ450R SE
• 2014 Yamaha YFZ450R SE
• 2009 Yamaha YFZ450R SE
• 2013 Yamaha YFZ450R SE
• 2018 Yamaha YFZ450R SE
• 2017 Yamaha YFZ450R SE
• 2019 Yamaha YFZ450R SE
• 2015 Yamaha YFZ450R SE
• 2010 Yamaha YFZ450R SE
• 2011 Yamaha YFZ450X SE
• 2010 Yamaha YFZ450X
• 2011 Yamaha YFZ450X
• 2010 Yamaha YFZ450X Bill Balance