Over 185,000 Parts and accessories in stock

Free Same-Day Shipping on orders over $89

Tech Support Backed by Years of Riding Experience

Over 185,000 Parts and accessories in stock

Free Same-Day Shipping on orders over $89 Tech Support Backed by Years of Riding Experience

Athena Engine for your 2018 Yamaha WR250F

2018 Yamaha

WR250F

Drive Type: Chain
Type - Drive Chain: Drive Chain - O-Ring
Front Tire Size: 80/100-21
Rear Tire Size: 110/100-18
Spark Plug: LMAR8G
Chain Size: 520
Chain Links: 114
Front Sprocket/Pulley Teeth: 13
Rear Sprocket/Pulley Teeth: 50
Oil Filter: 306822
Battery: YTZ7S

For reference only, please consult your owner’s manual to confirm your sizes

Turn off | | Remove

Possible Fit (1)

Results per Page

Viewing Results 1 - 1 of 1

Filter

Viewing Results 1 - 1 of 1

exact fit

Athena 76.95 mm Bore Piston Kit w/Gasket for 2016-2018 Yamaha YZ250F and 2018 Yamaha WR250F Dirt Bikes
$234.95

Free Shipping

Part #: 134891S Mfg Part #: P5F0770187009A

Add to compare

Results per Page

Viewing Results 1 - 1 of 1

1
Go To Page
- Page 1

7 years of Top-Rated customer service!

Bizrate's Circle of Excellence winner!

Copyright © 2026 Dennis Kirk, Inc. - All Rights Reserved.

Order / Questions? Call Us Mon-Fri: 7am - 8pm, Sat: 8am - 5pm, Sun: 9am - 5pm CST: 1-800-969-7501

Pickup Store Hours are Mon-Fri: 9am - 7pm, Sat: 9am - 5pm, Sun: 10am - 5pm CST

Trusted by riders for over 50 years ★★★★☆ 4.0+ Google Rating - Same Day Shipping Available

s