ATV & UTV 2020

ENGINE body accessories handlebar & grips cables & levers engine fuel & intake carriers & racks plows & implements frame & chassis utv accessories bumpers & winches electrical & ignition clutch brakes drive steering & suspension bearings tires & wheels chemicals tools & shop exhaust 524 HOT RODS BOTTOM END & CRANKSHAFT KITS CONTINUED MODEL YEARS CC PART DESCRIPTION DESCRIPTION PART # YAMAHA CONTINUED YFM 450 FA Kodiak 4x4 2003-2006 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871575 414.05 YFM 450 FG Grizzly IRS 4x4 2007-2013 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871562 541.31 YFM 450 FG Grizzly IRS 4x4 2007-2013 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871575 414.05 YFM 450 FX Wolverine 4x4 2006-2010 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871562 541.31 YFM 450 FX Wolverine 4x4 2006-2010 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871575 414.05 YFZ 450 2004-2005 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871202 433.24 YFZ 450 2004-2005 450cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870194 302.95 YFZ 450 2004-2009 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. When used in 04-05 model makes true 450cc. *Does not fit R or X models 871213 443.34 YFZ 450 2004-2009, 2012-2013 450cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. (04-05) +4.4mm stroke. Makes 470cc. Uses stock piston. (06-08) +3mm stroke makes 471cc. Uses stock piston.*Does not fit R or X models 871249 514.04 YFZ 450 2004- 2009,2012- 2013 450cc Crankshaft Heavy Duty (04-05) (+1.4mm stroke) makes engine true 450cc. Heavy Duty (06-08) standard stroke. Uses stock piston. Bolt in and go! When using Cylinder Works #21001-K01 makes engine 478cc. Does not fit fuel injected R or X models. 870195 313.05 YFZ 450 2004-2009, 2012-2013 450cc Stroker Crankshaft Heavy Duty (04-05) (+4.4mm stroke) makes 470cc. Uses stock piston. Heavy Duty (06-08) (+3mm stroke) makes 471cc. Uses stock piston.When using Cylinder Works #21001-K01 makes 500cc. *Does not fit fuel injected R or X models. 870196 403.95 YFZ 450 R 2009-2013 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set to complete installation. 871280 520.10 YFZ 450 R 2009-2013 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871084 333.25 YFZ 450 R 2014-2019 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 833956 302.95 YFZ 450 X 2010-2011 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set to complete installation. 871280 520.10 YFZ 450 X 2010-2011 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871084 333.25 YXR 450F Rhino 2006-2009 450cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871562 541.31 YXR 450F Rhino 2006-2009 450cc Crankshaft Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 871575 414.05 YFM 660 F Grizzly 4x4 2002-2008 660cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871220 612.01 YFM 660 F Grizzly 4x4 2002-2008 660cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +4mm stroke. Makes 691cc. Uses stock piston. Bolt in and go! 871255 637.26 YFM 660 F Grizzly 4x4 2002-2008 660cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870197 479.70 YFM 660 F Grizzly 4x4 2002-2008 660cc Stroker Crankshaft Heavy Duty (+4mm Stroker) makes 691cc. Uses stock piston. Bolt in and go! 870198 464.55 YFM 660 R Raptor 2001-2005 660cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871187 581.71 YFM 660 R Raptor 2001-2005 660cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +4mm stroke. makes 719cc. Important: Must use Vertex Stroker piston 23624A 871241 656.45 YFM 660 R Raptor 2001-2005 660cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870192 450.41 YFM 660 R Raptor 2001-2005 660cc Stroker Crankshaft Heavy Duty (+4mm stroke) makes 719cc. Important: Must use Vertex Stroker piston 23624A 870193 434.25 YXR 660F Rhino 2004-2007 660cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871220 612.01 YXR 660F Rhino 2004-2007 660cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +4mm stroke. Makes 691cc. Uses stock piston. Bolt in and go! 871255 637.26 YXR 660F Rhino 2004-2007 660cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870197 479.70 YXR 660F Rhino 2004-2007 660cc Stroker Crankshaft Heavy Duty (+4mm Stroker) makes 691cc. Uses stock piston. Bolt in and go! 870198 464.55 YFM 700 FG Grizzly 4x4 2007-2013 700cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871219 613.02 YFM 700 FG Grizzly 4x4 2007-2013 700cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +5mm stroke. Makes 727cc. Uses stock piston. Bolt in and go! 871254 679.68 YFM 700 FG Grizzly 4x4 2007-2013 700cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870199 464.55 YFM 700 FG Grizzly 4x4 2007-2013 700cc Stroker Crankshaft Heavy Duty (+5mm stroke) makes 727cc. Uses stock piston. Bolt in and go. 870200 555.45 YFM 700 R Raptor 2006-2009, 2011-2014 700cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871218 595.85 YFM 700 R Raptor 2006- 2009,2011- 2014 700cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +5mm stroke. Makes 727cc. Uses stock piston. Bolt in and go! 871253 623.12 YFM 700 R Raptor 2006-2009, 2011-2014 700cc Stroker Crankshaft Heavy Duty (+5mm stroke) Makes 727cc. Uses stock piston. Bolt in and go! 870204 434.73 YFM 700 R Raptor 2006-2009, 2011-2018 700cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870203 424.15 YFM 700 R Raptor SE 2010 700cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871218 595.85 YFM 700 R Raptor SE 2010 700cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +5mm stroke. Makes 727cc. Uses stock piston. Bolt in and go! 871253 623.12 YFM 700 R Raptor SE 2010 700cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870203 424.15 YFM 700 R Raptor SE 2010 700cc Stroker Crankshaft Heavy Duty (+5mm stroke) Makes 727cc. Uses stock piston. Bolt in and go! 870204 434.73 YXR 700 F Rhino 2008-2013 700cc Bottom End Kit Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 871219 613.02 YXR 700 F Rhino 2008-2013 700cc Bottom End Kit Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation. +5mm stroke. Makes 727cc. Uses stock piston. Bolt in and go! 871254 679.68 YXR 700 F Rhino 2008-2013 700cc Crankshaft Heavy-duty OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install. 870199 464.55 YXR 700 F Rhino 2008-2013 700cc Stroker Crankshaft Heavy Duty (+5mm stroke) makes 727cc. Uses stock piston. Bolt in and go. 870200 555.45