PROX steel Intake Valve for HONDA CRF 150, CRF 230 2003-2019

PROX offers this intake valve for HONDA CRF 150, CRF 230 2003-2019. A four-stroke engine breathes through its valves. The intake valves open to let the air-fuel mixture into the cylinder, then close perfectly tight during combustion.

Titanium or steel valve?

The material is shown in the product name.

• Titanium: about 40% lighter than steel, it allows high revs without valve float; it costs more and its coating wears faster if the seats and guides are tired.
• Steel or stainless: heavier, but very wear-resistant and cheaper; as a replacement for titanium it lasts longer, with springs suited to its weight.
• Tip: replace valves as a set, have the seats checked and fit new valve stem seals.

Why choose PROX?

ProX valves come from Japanese OEM factories; the titanium versions are forged in one piece and chromium-nitride (CrN) coated against wear.

When should you replace the valves on your HONDA CRF 230?

Hard hot starting, valve clearance that keeps closing up or a noisy timing chain: the valve train is wearing.

Specifications and fitting tips

• Manufacturer part number: 28.1323-2

Spare parts and items to plan

• Valve stem seals : ATHENA · CENTAURO
• Valve shims : PROX 29.748 · PROX 29.748
• Valve cover gasket : ATHENA · AIRSAL

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
HONDA CRF 150 2005
HONDA CRF 150 2004
HONDA CRF 150 2003
HONDA CRF 230 2019
HONDA CRF 230 2018
HONDA CRF 230 2017
HONDA CRF 230 2016
HONDA CRF 230 2015
HONDA CRF 230 2014
HONDA CRF 230 2013
HONDA CRF 230 2012
HONDA CRF 230 2011
HONDA CRF 230 2010
HONDA CRF 230 2009
HONDA CRF 230 2008
HONDA CRF 230 2007
HONDA CRF 230 2006
HONDA CRF 230 2005
HONDA CRF 230 2004
HONDA CRF 230 2003