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KOSO NORTH AMERICA Big Bore Cylinder Kit - 150 cc - Honda Grom®/Monkey®

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

$ 537.95

In stock

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

Part #: 09031773

KOSO NORTH AMERICA quality guaranteed.

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

Additional information

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
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Product Description

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

Key Features

  • Compression ratio allows the use of premium pump gas and keep the reliabilty of a stock motor
  • Kit includes aluminum black powder coated cylinder, 54 mm forged piston, rings, pin, pin clips and gasket kit

Technical Specifications

  • Weight: 2.60 lbs
  • Supplier Number: MB640000
  • Unit of Measure: Kit

Current Warehouse Inventory

Stock by Location:

  • ✓ Janesville, WI: 1 units
  • ✗ Batavia, NY: 0 units
  • ✗ Dallas, TX: 0 units
  • ✗ Fresno, CA: 0 units
  • ✓ Reno, NV: 1 units
  • ✗ Asheville, NC: 0 units
  • ✓ National: 2 units

Total Available: 4 units

Inventory Last Checked: December 4, 2025 at 1:00 AM UTC
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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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