Motocross Cylinder

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Cylinder

Cylinder Kit 80 Yamaha PW 80

Cylinder Kit 50 Yamaha PW 50

Nut cylinder head long (x1) M7X1.00 - L.22mm

Hose Connection Stage6 M5x1.00

Valve Cover Gasket Moose Racing CRF 450 2017-2024

Temperature Sensor Yamaha Tmax (4P9-83591-00)

Piston Wössner Suzuki RM 250 2003 - 2008 Wössner size B

Valve Stem Seal Prox SX-F / FC 250

Cylinder Gasket Set Yamaha PW 80

Piston cast 53,97mm size D RM 125 2000-2003

Gasket Set top end Prox YZF 250 after 2019

Gasket Set top end Prox SX / EXC 250 1993-2000

Gasket Set top end Prox SX 85 2004-2012

Gasket Set top end Prox TC / SX 65

Gasket Set top end Prox KX 125 1998-2002

Gasket Set top end Prox KX 85 2014-2021

Gasket Set top end Prox KX 85 2001-2013

Gasket Set top end Prox RM-Z 450 after 2008

Gasket Set top end Prox RM 125 1998-2003

Gasket Set top end Prox YZF 250 2001-2013

Gasket Set top end Prox YZ 125 2005-2021

Gasket Set top end Prox YZ 85 2002-2018

Intake Valve Prox titanium YZF 250 2014-2018

Intake Valve Set Prox w/ springs YZF 450 2014-2017

Intake Valve Set Prox w/ springs YZF 250 2014-2018

Exhaust Valve Set Prox w/ springs YZF 250 2014-2018

Valve Shims x5 Prox 7,48x 2,625 CRF / YZF / KXF / RM-Z 250

Valve Shims x5 Prox 7,48x 1,675 CRF / YZF / KXF / RM-Z 250

Valve Shims (box) 7,48x1,225-3,475

Exhaust Valve Set Prox w/ springs YZF 450 2003-2009

Intake Valve Prox titanium SX-F / EXC-F 250 before 2013

Exhaust Valve Prox titanium SX-F / EXC-F 250 before 2013

Exhaust Valve Prox steel CRF 150 R

Intake Valve Prox steel YZF 400 / WRF 426

Exhaust Valve Prox steel CRF 250 2004-2007

Timing Chain Prox 92RH2015-108M

Timing Chain Prox 82RH2010-128M

Timing Chain Prox 98XRH2010-118M

Piston Rings Prox 64,00mm EXC 200

Piston Prox Sherco SE 125 after 2018 size B

Piston size B Prox YZF / WRF 250 2016-2019

Piston Prox forged 44,99mm size D SX 65 2009-2017

Piston Prox cast 67,44mm size A SX / EXC 250 1996 - 1999

Piston Prox cast 66,37mm size D KX 250 1992-2004

Piston Prox cast 44,47mm size C KX 65

Piston Prox cast 66,36mm size C KTM / Husqvarna 250 (2 temps)

Piston Prox cast 46,98mm size D TC / SX 85

Piston Prox cast 46,95mm size B CR 80

Piston Prox cast 95,98mm size C CRF 450 2004-2008

Valve Shims Hot Cams

Camshaft exhaust Hot Cams Stage 1 KTM

Camshaft exhaust Hot Cams Stage 1 YZF 450 2003-2006

Camshaft Exhaust Stage 1 Hot Cams KXF 250 2011-2016

Camshaft exhaust Hot Cams KXF / RM-Z 250

Camshaft intake Hot Cams Stage 1 KXF / RM-Z 250

Camshaft Hot Cams Stage 1 Honda CRF 450 2010-2016

Camshaft intake Stage 1 Hot Cams Yamaha YZF 450

Camshaft intake Hot Cams Stage 1 Suzuki RM-Z 450

Gasket Kit top end Yamaha YZ 125

Cylinder Kit Athena YZ85 105cc

Motocross Cylinders

Cylinder kit

Pistons, cylinder heads, camshafts, and valves

Gaskets

Accessories

Brands and manufacturers

Navigation and helpful tips

FAQ – Frequently asked questions about motocross cylinder kits

⇒ When should I replace the piston?

⇒ When should the cylinder be replaced?

⇒ Why did my engine seize (piston seizure) and how can this be avoided?