VALVE EXHAUST 28.5mm, PSYCHIC XU-09518E EXHAUST, 5H0-12121-00

The Psychic Exhaust Valve XU-09518E is a premium replacement component designed for a wide range of Yamaha motorcycles and ATVs. Crafted with high-grade materials and advanced manufacturing processes, this valve enhances engine performance, supports high-RPM operation, and ensures long-term durability. Ideal for both recreational and utility vehicles, it offers direct-fit compatibility and OEM-level reliability.

Features

• Forged one-piece construction for exceptional strength

• Nitride coating to enhance wear resistance and longevity

• Modified radius and swirl-polished valve head for improved airflow

• Chromed stems for reduced friction and smoother valve movement

• Stellite tips to resist wear and extend service life

• Designed for high-RPM durability and efficient engine operation

Specifications

• Valve Type: Exhaust

• Size: 28.47 x 5.92 x 92.5 mm

• Sold individually

• Part Number: XU-09518E

• Replaces OEM# 5H0-12121-00

Cross-Reference OEM Part Numbers

• 5H0-12121-00

Vehicle Fitments

• YAMAHA TT225 1986–1987

• YAMAHA TTR225 2000–2004

• YAMAHA TTR230 2005–2009, 2011–2012

• YAMAHA TW200 1987–2012

• YAMAHA XT200 1982–1983

• YAMAHA XT225 1992–2007

• YAMAHA YFB250 Timberwolf 2x4 1992–1998

• YAMAHA YFB250FW Timberwolf 4x4 1994–2000

• YAMAHA YFM200 Moto-4 1985–1989

• YAMAHA YFM225 Moto-4 1986–1988

• YAMAHA YFM250 Bear Tracker 1999–2004

• YAMAHA YFM250 Raptor 2008–2013

• YAMAHA YFM250 Raptor SE 2008

• YAMAHA YFM250 Raptor SE Custom 2008

• YAMAHA YFM250R Raptor 2011

• YAMAHA YFU1W Pro Hauler 1989

• YAMAHA YTM200 Tri-Moto 1983–1985

• YAMAHA YTM200E Yamahauler 1983–1985

• YAMAHA YTM225 Tri-Moto 1983–1986

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex