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Rebuild Kits

KOSO NORTH AMERICA BIG BORE CYL KIT GROM

$ 537.95

Only 1 left in stock

Big Bore Cylinder Kit – 150 cc – Honda Grom®/Monkey®

Part #: 09031773

KOSO NORTH AMERICA quality guaranteed.

Available for ship to store or drop ship.

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Free Shipping on New Part orders over $100

KOSO NORTH AMERICA BIG BORE CYL KIT GROM

Product Specifications

Weight	2.60 lbs
Part Number	09031773
Punctuated Part Number	0903-1773
Vendor Part Number	MB640000
Vendor Punctuated Part Number	MB640000
Commodity Code	0903
Commodity Group	ENGINE GROUP
Commodity Type	ENGINE REBUILD KITS
MPN	09031773
Brand	KOSO NORTH AMERICA

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Knobtown Cycle proudly offers the KOSO NORTH AMERICA BIG BORE CYL KIT GROM. Your Kansas City motorcycle parts experts for over 40 years.

Product Description

BIG BORE CYL KIT GROM

Part Locations

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

Stock levels last updated: December 22, 2025 9:34 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!