ORO2U Dirt Catalogue - Section E - Engine and Performance.

Engine Valves

Vertex & Wiseco

Wiseco Titanium & Stainless Steel Valves Wiseco’s titanium and stainless steel valves are made from premium materials and manufactured to the highest quality specifications. Each valve is a forged, one-piece construction for higher strength and fatigue properties. A chromium nitride coating offers superb surface hardness and wear resistance. Wiseco’s valves are available for most popular 4-stroke motorcycle applications.

Vertex Titanium Valves Vertex Titanium one-piece valves - the better choice for engine-builders seeking ultimate performance and longevity for their modern 4-stroke engine. Replace the genuine factory two-piece valves that make your engine a “Ticking Time Bomb” with titanium high performance one-piece valves. Precision machined with chromium-nitride coating providing ultimate protection from tip erosion and stem/seat wear.

Intake

Exhaust

BETA

Models EC 350F

Years

Type of Valve

Intake Valve Valve Size (mm)

Exhaust Valve Valve Size (mm)

2021 - 22

Titanium

65-5121.VE.TI

65-5120.VE.TI

Intake

Exhaust

FANTIC

Models XEF 250 XXF 250

Years

Type of Valve

Intake Valve Valve Size (mm)

Exhaust Valve Valve Size (mm)

2022 - 23 2021 - 23

Titanium Titanium

65-5014.WI.TI 65-5014.WI.TI

Intake

Exhaust

GASGAS

Models

Years

Type of Valve Titanium Intake Titanium Center

Intake Valve Valve Size (mm)

Exhaust Valve Valve Size (mm)

65-423.WI.TI 65-424.WI.TI 65-5003.WI.TI 65-5003.WI.TI 65-5003.WI.TI 65-423.WI.TI 65-424.WI.TI 65-5004.WI.TI 65-5004.WI.TI 65-426.WI.TI 65-427.WI.TI

80mm

EC 250F

2010 - 15

65-422.TI.WI

77.9mm

78.6mm

EC 250F EX 250F MC 250F

2021 - 24 2021 - 23 2021 - 23

Titanium Titanium Titanium

65-5002.WI.TI 65-5002.WI.TI 65-5002.WI.TI

Titanium Intake Titanium Center

80mm

EC 300F

2013 - 15

65-422.TI.WI

77.9mm

78.6mm

EX 350F MC 350F

2021 - 23

Titanium Titanium

65-5005.WI.TI 65-5005.WI.TI

2023

Titanium Intake Titanium Center

77mm 76mm

EC 450F

2013 - 15

65-425.WI.TI

70mm

Intake

Exhaust

HONDA

Models CRF 150R CRF 250R CRF 250R CRF 250R CRF 250R CRF 250R CRF 250RX CRF 250X CRF 450L CRF 450R CRF 450R CRF 450R CRF 450R CRF 450R/RX

Years

Type of Valve Stainless Steel Titanium/S.Steel Titanium/S.Steel Titanium/S.Steel

Intake Valve Valve Size (mm)

Exhaust Valve Valve Size (mm)

2007 - 25 2004 - 07 2008 - 09 2010 - 15 2016 - 17 2018 - 24 2019 - 24 2004 - 13 2019 - 25 2002 - 06 2007 - 08 2009 - 12 2013 - 16 2017 - 25 2005 - 15 2019 - 24

65-435.WI.SS 65-421.WI.TI 65-421.WI.TI 65-461.WI.TI 65-461.WI.TI 65-5057.VE.TI 65-5057.VE.TI 65-421.WI.TI 65-407.WI.TI 65-407.WI.TI 65-463.WI.TI 65-463.WI.TI

65-434.WI.SS 65-420.WI.SS 65-462.WI.SS 65-460.WI.SS 65-479.WI.TI 65-5058.VE.TI 65-5058.VE.TI 65-420.WI.SS 65-5001.WI.SS 65-408.WI.SS 65-418.WI.SS 65-446.VE.SS 65-5001.WI.SS 65-5001.WI.SS 65-408.WI.SS 65-5001.WI.SS

80mm (L)

31x83.38x5.0 31x83.38x5.0 30.5x89.12x5.0 30.5x89.12x5.0

26x82.14x5.0 26x82.20x4.5 25x84.20x4.5

Titanium Titanium Titanium

Titanium/S.Steel Stainless Steel Titanium/S.Steel Titanium/S.Steel Titanium/S.Steel Titanium/S.Steel Stainless Steel Titanium/S.Steel Stainless Steel

31x83.38x5.0

26x82.14x5.0

36x84.46x5.5 36x84.46x5.5 36x78.60x5.0 36x78.60x5.0

31x84x5.0

30x84.50x5.0 30x80.50x5.0

CRF 450X CRF 450X

65-481.VE.TI

35x84.70x5.5

31x84x5.0

*Please visit our website for current prices

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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