Replacement Flywheel for Honda TRX450R / TRX450ER (2006-2014) 
 
Model Years: State the exact range: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014. (Crucial, as earlier years used a different part).
Component Role: Explain that the flywheel is essential for cranking/starting and proper ignition timing.