ORO2U Dirt Catalogue - Section E - Engine and Performance.

Vertex & Wiseco

Engine Valves

Intake

Exhaust

SUZUKI

Models RM-Z 250 RM-Z 250 RM-Z 250 RM-Z 250

Years

Type of Valve Intake Valve Valve Size (mm) Exhaust Valve Valve Size (mm)

2004 - 06 2007 - 09 2010 - 15 2016 - 25 2000 - 15 2005 - 06

Titanium Titanium Titanium Titanium

.WI.TI .VE.TI

79mm

.WI.TI VE.TI VE.TI VE.TI

79mm

65-429 65-456

65-428 65-457 65-457 65-457 65-153 65-430 65-438 65-459 65-459

80.35mm

80.6mm 80.6mm 80.6mm

.VE.TI .VE.TI

65-4561 65-4562

DRZ 400/E/S

Stainless Steel

.IN.WI .WI.TI .WI.TI .VE.TI .VE.TI

36mm

.EX.WI .WI.TI .WI.TI .VE.TI .VE.TI

29mm

65-153 65-431 65-439 65-458 65-458

RM-Z 450 RM-Z 450 RM-Z 450 RMX 450Z

Titanium Titanium Titanium Titanium

82.4mm 82.4mm

81.3mm 81.3mm 80.9mm 80.9mm

2007

2008 - 25 2010 - 11

82mm 82mm

Intake

Exhaust

YAMAHA

Models

Years

Type of Valve Intake Valve Valve Size (mm) Exhaust Valve Valve Size (mm)

Titanium Intake Titanium Center

.WI.TI .WI.TI

80mm

65-423

YZ/WR 250F

2001 - 13

.TI.WI

77.9mm

65-422

78.6mm

65-424 65-5015 65-5099 65-5099 65-5015 65-5099 65-5015

WR 250F WR 250F WR 250F YZ 250F YZ 250F YZ 250FX YZ 250FX

2015 - 19 2020 - 23 2024 - 26 2014 - 18 2019 - 26 2015 - 19 2020 - 25

Titanium Titanium Titanium Titanium Titanium Titanium Titanium

.WI.TI .VE.TI .VE.TI .WI.TI .VE.TI .WI.TI

.WI.TI .VE.TI .VE.TI .WI.TI .VE.TI .WI.TI .WI.TI

65-5014 65-5014 65-5014 65-5014 65-5014 65-5014 65-5014

Titanium Intake Titanium Center

.WI.TI WI.TI

77mm 76mm

65-426

WR 450F

2003 - 15

.WI.TI

70mm

65-425

65-427 65-5131

2024 - 26

WR 450F

Titanium

.VE.TI

.VE.TI

65-5132

Titanium Intake Titanium Center

.WI.TI WI.TI .WI.TI

77mm 76mm

65-426 65-427 65-464

YZ 450F

2003 - 09

.WI.TI

70mm

65-425

YZ 450F YZ 450F YZ 450F YZ 450F

2010 - 13 2014 - 19 2020 - 22 2023 - 26

Titanium Titanium Titanium Titanium

83.90mm

.WI.TI

86mm

65-465

.WI.TI .VE.TI .VE.TI

.WI.TI .VE.TI .VE.TI

65-6314 65-5125 65-5131

65-6313 65-5124 65-5132

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.

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.

*Please visit our website for current prices E265

E-mail: sales@oro2u.com

www.oro2u.com

Made with FlippingBook - Online magazine maker