WSM TOP END KIT .5MM YAM

$ 196.66

Only 1 left in stock

Top End Kit – 100.50 mm – Yamaha

Part #: 09031423

WSM quality guaranteed.

Available for ship to store or drop ship.

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WSM TOP END KIT .5MM YAM

Product Specifications

Weight	2.80 lbs
Part Number	09031423
UPC Code	865369106097
Punctuated Part Number	0903-1423
Vendor Part Number	5454412
Vendor Punctuated Part Number	54-544-12
Commodity Code	0903
Commodity Group	ENGINE GROUP
Commodity Type	ENGINE REBUILD KITS
MPN	09031423
Brand	WSM
UPC	865369106097

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Knobtown Cycle proudly offers the WSM TOP END KIT .5MM YAM. Your Kansas City motorcycle parts experts for over 40 years.

Product Description

TOP END KIT .5MM YAM

Top-quality piston kit
Includes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models

Part Locations

Location	Available
Wisconsin (WI)	1
New York (NY)	0
Texas (TX)	0
Nevada (NV)	0
North Carolina (NC)	0
National Total	1

Stock levels last updated: December 22, 2025 9:37 AM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.

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Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!